Control device and system of butterfly-shaped optical device

Abstract

The utility model discloses a control device and system of a butterfly optical device. A master control module comprises a PID algorithm unit, and an optical power control module comprises at least two optical power control units. The optical power monitoring module comprises at least two optical power monitoring units; the temperature acquisition control module comprises at least two temperature acquisition control units; the control device of the butterfly-shaped optical device is electrically connected with at least two butterfly-shaped optical devices, and each butterfly-shaped optical device comprises a butterfly-shaped laser or a butterfly-shaped optical amplifier, a photoelectric detector, a thermistor and a semiconductor chilling plate. According to the embodiment of the invention, complex and intensive application requirements of optical calculation, optical switching and the like can be met, and a voltage value required by the digital-to-analog conversion module can be calculated by arranging the PID algorithm unit, so that the output optical power and wavelength of at least two butterfly-shaped optical devices can be accurately and stably controlled, and the cost of a single channel is far lower than that of a commercial control system; the device is low in cost, small in size, convenient to operate and suitable for actual use requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the control technical field of butterfly optical device especially relates to a control device and system of butterfly optical device. BACKGROUND

[0002] In the optoelectronic chip, the butterfly laser and the butterfly optical amplifier are widely used basic devices, which can be used in optical communication, optical calculation, optical switching and other fields. The output optical power of the butterfly laser and the optical power gain of the butterfly optical amplifier are controlled by the current flowing through itself and are affected by the working temperature. In addition, the output optical wavelength of the butterfly laser is also affected by the working temperature and the output power of the chip itself. Therefore, the current flowing through the butterfly laser and the butterfly optical amplifier and the working temperature of the chip itself must be accurately and stably controlled. The precision and stability of the butterfly optical device control system are the key to the working performance of the butterfly laser and the optical amplifier. The control of the working current and the working temperature is an indispensable part of the optoelectronic system.

[0003] The butterfly laser and the butterfly optical amplifier usually need more channel light sources for complex and intensive applications such as optical calculation and optical switching. The current industry generally uses multiple commercial single-channel current and temperature controllers for individual control, which is not only cumbersome to operate but also expensive and bulky. SUMMARY

[0004] The utility model provides a kind of control device and system of butterfly optical device, can satisfy complex intensive application needs such as optical calculation, optical switching, by setting PID algorithm unit, the voltage value required by digital-analog conversion module can be calculated, so that the output optical power and wavelength of at least two butterfly optical devices can be accurately and stably controlled, and the cost of single channel is far lower than that of commercial control system, with low cost, small size, easy operation, suitable for actual use demand.

[0005] In the first aspect, the utility model embodiment provides a kind of control device of butterfly optical device, comprising: host computer, main control module, digital-analog conversion module, analog-digital conversion module, optical power control module, optical power monitoring module and temperature acquisition control module;

[0006] The main control module includes a PID algorithm unit. The host computer outputs the first parameter of the PID algorithm unit and the second parameter of the butterfly-shaped optical device, which are electrically connected to the parameter input of the main control module. The main control module outputs the first voltage value required by the digital-to-analog converter calculated by the PID algorithm unit, which is electrically connected to the first voltage input of the digital-to-analog converter. The main control module outputs the second voltage value required by the digital-to-analog converter calculated by the PID algorithm unit, which is electrically connected to the second voltage input of the digital-to-analog converter.

[0007] The optical power control module includes at least two optical power control units; the optical power monitoring module includes at least two optical power monitoring units; the temperature acquisition control module includes at least two temperature acquisition control units; the control device for the butterfly optical device is electrically connected to at least two of the butterfly optical devices, and the butterfly optical device includes a butterfly laser or butterfly optical amplifier, a photodetector, a thermistor, and a semiconductor cooling chip;

[0008] The output terminals of the at least two optical power control units are respectively electrically connected to the corresponding butterfly laser or butterfly optical amplifier; the input terminals of the at least two optical power monitoring units are respectively electrically connected to the corresponding photodetectors; the first input terminals of the at least two temperature acquisition control units are respectively electrically connected to the corresponding thermistors; and the first output terminals of the at least two temperature acquisition control units are respectively electrically connected to the corresponding semiconductor cooling chips.

[0009] The digital-to-analog conversion module includes at least two power control signal output terminals and at least two temperature control signal output terminals; the analog-to-digital conversion module includes at least two power monitoring signal terminals and at least two temperature acquisition signal terminals; the at least two power control signal output terminals are electrically connected to the input terminals of the corresponding optical power control units; the at least two temperature control signal output terminals are electrically connected to the second input terminals of the corresponding temperature acquisition control units; the at least two power monitoring signal terminals are electrically connected to the output terminals of the corresponding optical power monitoring units; and the at least two temperature acquisition signal input terminals are electrically connected to the second output terminals of the corresponding temperature acquisition control units.

[0010] Secondly, this utility model embodiment also provides a control system for a butterfly-shaped optical device, including the control device for the butterfly-shaped optical device provided in any embodiment of the first aspect and at least two butterfly-shaped optical devices;

[0011] The control device for the butterfly-shaped optical device is electrically connected to at least two of the butterfly-shaped optical devices.

[0012] The control device and system for the butterfly optical device provided in this embodiment of the utility model can meet the needs of complex and intensive applications such as optical computing and optical switching. By setting a PID algorithm unit, the voltage value required by the digital-to-analog conversion module can be calculated, thereby enabling precise and stable control of the output optical power and wavelength of at least two butterfly optical devices. Moreover, the cost per channel is much lower than that of commercial control systems, making it inexpensive, compact, easy to operate, and suitable for practical applications.

[0013] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of this utility model, nor is it intended to limit the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 A schematic diagram of the structure of a control device for a butterfly-shaped optical device provided in an embodiment of this utility model;

[0016] Figure 2 A schematic diagram of the structure of an optical power control unit provided in an embodiment of this utility model;

[0017] Figure 3 A schematic diagram of the structure of a control device for another butterfly-shaped optical device provided in an embodiment of this utility model;

[0018] Figure 4 This is a schematic diagram of the control system for a butterfly-shaped optical device provided in an embodiment of the present invention. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0020] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0021] Figure 1 This is a schematic diagram of the structure of a control device for a butterfly-shaped optical device provided in an embodiment of the present invention. (Refer to...) Figure 1 The device includes: a host computer 110, a main control module 120, a digital-to-analog converter module 130, an analog-to-digital converter module 140, an optical power control module 150, an optical power monitoring module 160, and a temperature acquisition and control module 170. The main control module 120 includes a PID algorithm unit 171. The host computer 110's parameter output terminal, which outputs the first parameter of the PID algorithm unit 171 and the second parameter of the butterfly optical device 200, is electrically connected to the parameter input terminal of the main control module 120. The main control module 120's first voltage output terminal, which outputs the first voltage value required by the digital-to-analog converter module 130 calculated by the PID algorithm unit 171, is electrically connected to the first voltage input terminal of the digital-to-analog converter module 130. The main control module 120's second voltage output terminal, which outputs the second voltage value required by the digital-to-analog converter module 130 calculated by the PID algorithm unit 171, is electrically connected to the second voltage input terminal of the digital-to-analog converter module 130.

[0022] Both the first voltage output terminal and the second voltage output terminal can include an SPI interface. The first parameter of the PID algorithm unit 171 and the second parameter of the butterfly optical device 200 can be set through the host computer software to achieve safe and accurate control.

[0023] Continue to refer to Figure 1The optical power control module 150 includes at least two optical power control units 151; the optical power monitoring module 160 includes at least two optical power monitoring units 161; the temperature acquisition control module 170 includes at least two temperature acquisition control units 171; the control device for the butterfly optical device 200 is electrically connected to at least two butterfly optical devices 200, and the butterfly optical device 200 includes a butterfly laser or butterfly optical amplifier 210, a photodetector 220, a thermistor 230, and a thermoelectric cooler 240. The output terminals of the at least two optical power control units 151 are electrically connected to the corresponding butterfly laser or butterfly optical amplifier 210, the input terminals of the at least two optical power monitoring units 161 are electrically connected to the corresponding photodetectors 220, the first input terminals of the at least two temperature acquisition control units 171 are electrically connected to the corresponding thermistors 230, and the first output terminals of the at least two temperature acquisition control units 171 are electrically connected to the corresponding thermoelectric coolers 240. The digital-to-analog converter module 130 includes at least two power control signal output terminals and at least two temperature control signal output terminals; the analog-to-digital converter module 140 includes at least two power monitoring signal terminals and at least two temperature acquisition signal terminals; the at least two power control signal output terminals are electrically connected to the input terminals of the corresponding optical power control units 151; the at least two temperature control signal output terminals are electrically connected to the second input terminals of the corresponding temperature acquisition control units 171; the at least two power monitoring signal terminals are electrically connected to the output terminals of the corresponding optical power monitoring units 161; and the at least two temperature acquisition signal input terminals are electrically connected to the second output terminals of the corresponding temperature acquisition control units 171.

[0024] In this embodiment of the invention, after the first parameter of the PID algorithm unit 171 set by the host computer software and the second parameter of the butterfly optical device 200 are input to the main control module 120, the PID algorithm unit 171 in the main control module 120 can calculate the first voltage value required by the digital-to-analog converter module 130. Then, the digital-to-analog converter module 130 is driven to output the first voltage through the SPI interface, and the first voltage is converted into a current signal by the optical power control module 150 to drive the butterfly optical device 200. The optical power monitoring module 160 uses the photodetector 220 built into the butterfly optical device 200 to convert the output optical power of the butterfly optical device 200 into a current signal, and then converts the current signal into a voltage signal. The main control module 120 outputs the second voltage to the analog-to-digital converter module 140 through the SPI interface, drives the analog-to-digital converter module 140 to read the voltage signal, convert it into optical power, and then send it to the PID algorithm unit 171. After the PID algorithm unit 171 calculates new optical power control parameters based on the current optical power, the main control module 120 uses these parameters to drive the digital-to-analog converter module 130 to output a new voltage, which is then sent to the optical power control module 150, thereby achieving closed-loop control of the optical power of the butterfly optical device 200. To improve the accuracy of the output optical power, a polynomial parameter fitting is performed on the relationship between the input optical power and output current of the photodetector 220. This polynomial parameter can be written into the main control module 120 via the host computer 110, thus addressing the nonlinearity issue of the photodetector 220. Furthermore, the main control module 120 can also drive the digital-to-analog converter module 130 to output a specific voltage. This voltage enters the temperature acquisition and control module 170 and is converted into a current of a specific direction and magnitude to drive the semiconductor cooling chip 240 to perform cooling or heating at a specific rate. The temperature acquisition and control module 170 converts the temperature into a voltage signal. The main control module 120 drives the analog-to-digital converter 140 to read the voltage signal, convert it into temperature, and then send it to the PID algorithm unit 171. After the PID algorithm unit 171 calculates the new temperature control parameters, the main control module 120 uses the parameters to drive the digital-to-analog converter 130 to output a new voltage and send it to the temperature acquisition and control module 170, thereby realizing closed-loop control of the temperature of the butterfly optical device 200.

[0025] The control device and system for the butterfly optical device 200 provided in this embodiment of the utility model can meet the needs of complex and intensive applications such as optical computing and optical switching. By setting the PID algorithm unit 171, the voltage value required by the eight-channel digital-to-analog converter module 130 can be calculated, thereby enabling precise and stable control of the output optical power and wavelength of at least two butterfly optical devices 200. Moreover, the cost per channel is much lower than that of commercial control systems, making it inexpensive, compact, easy to operate, and suitable for practical applications.

[0026] Optionally, based on the above embodiments, the optical power control module 150 includes four optical power control units 151; the optical power monitoring module 160 includes four optical power monitoring units 161; and the temperature acquisition control module 170 includes four temperature acquisition control units 171. Both the digital-to-analog conversion module 130 and the analog-to-digital conversion module 140 include eight channels. The control device for the butterfly optical device 200 is electrically connected to the four butterfly optical devices 200.

[0027] The digital-to-analog conversion module 130 and the analog-to-digital conversion module 140 each include 8 channels, the optical power control module 150 includes four optical power control units 151, the optical power monitoring module 160 includes four optical power monitoring units 161, and the temperature acquisition control module 170 includes four temperature acquisition control units 171, which can meet the control requirements of the four butterfly-shaped optical devices 200.

[0028] Figure 2 This is a schematic diagram of the structure of an optical power control unit provided in an embodiment of the present invention. Optionally, based on the above embodiment, refer to... Figure 2 The optical power control unit 151 includes an operational amplifier 1511; the first input terminal IN1 of the operational amplifier 1511 is electrically connected to the power control signal output terminal, the second input terminal IN2 of the operational amplifier 1511 is grounded, and the output terminal OUT of the operational amplifier 1511 is electrically connected to the butterfly laser or the butterfly optical amplifier 210.

[0029] Optionally, based on the above embodiments, the operational amplifier is an OPA735 chip.

[0030] It should be noted that the optical power control unit 151 includes an operational amplifier 1511 capable of constructing a V / I conversion circuit to drive a butterfly laser or a butterfly optical amplifier 210.

[0031] Optionally, based on the above embodiments, continue to refer to... Figure 2 The optical power control unit 151 also includes a transistor Q. The base of transistor Q is electrically connected to the output terminal OUT of operational amplifier 1511, the collector of transistor Q is electrically connected to the power supply terminal V of operational amplifier 1511, and the emitter of transistor Q is electrically connected to a butterfly laser or a butterfly optical amplifier 210.

[0032] Optionally, based on the above embodiments, the transistor is an SS8050 chip.

[0033] It should be noted that in this embodiment of the present invention, the driving capability of the digital-to-analog converter module 130 can be enhanced by using a transistor for current amplification.

[0034] Optionally, based on the above embodiments, the optical power monitoring unit 161 includes a sampling resistor; the first end of the sampling resistor is electrically connected to the photodetector 220, and the second end of the sampling resistor is electrically connected to the power monitoring signal terminal. The temperature acquisition and control unit 171 includes a temperature acquisition and control chip; the temperature acquisition and control chip is an ADN8834 integrated chip.

[0035] It should be noted that the built-in H-bridge circuit of the ADN8834 integrated chip can convert 0-2.5V voltage into -1.5A~1.5A current, and the built-in operational amplifier can convert the resistance change of the thermistor 230 into a voltage change. The main control module 120 drives the digital-to-analog converter module 130 to output a specific voltage. This voltage enters the temperature acquisition and control module 170 and is converted into a current of a specific direction and magnitude to drive the semiconductor cooling chip 240 to perform cooling or heating at a specific rate. The temperature acquisition and control module 170 uses the thermistor 230 to convert the temperature into a voltage signal. The main control module 120 drives the analog-to-digital converter module 140 to read the voltage signal, convert it into temperature, and then send it to the PID algorithm unit 171. The PID algorithm unit 171 calculates new temperature control parameters, and the main control module 120 uses these parameters to drive the digital-to-analog converter module 130 to output a new voltage and send it to the temperature acquisition and control module 170, thereby realizing closed-loop control of the temperature of the butterfly optical device 200.

[0036] Figure 3 This is a schematic diagram of the structure of a control device for another butterfly-shaped optical device provided in an embodiment of the present invention. Optionally, based on the above embodiments, refer to... Figure 3 The control device 100 for the butterfly-shaped optical device further includes a serial communication module 180; the host computer 110 is electrically connected to the main control module 120 through the serial communication module 180. In this embodiment of the present invention, the serial communication module 180 includes a CH340 chip.

[0037] The serial communication module 180 includes a CH340 chip that can convert the 5V voltage of the USB on the host computer 110 side to the 3.3V voltage on the main control module 120 side.

[0038] In summary, in this embodiment of the present invention, after the first parameter of the PID algorithm unit 171 set by the host computer software and the second parameter of the butterfly optical device 200 are input to the main control module 120, the PID algorithm unit 171 in the main control module 120 can calculate the first voltage value required by the digital-to-analog converter module 130. Then, the digital-to-analog converter module 130 is driven to output the first voltage through the SPI interface, and the first voltage is converted into a current signal by the optical power control module 150 to drive the butterfly optical device 200. The optical power monitoring module 160 uses the photodetector 220 built into the butterfly optical device 200 to convert the output optical power of the butterfly optical device 200 into a current signal, and then converts the current signal into a voltage signal. The main control module 120 outputs the second voltage to the analog-to-digital converter module 140 through the SPI interface, drives the analog-to-digital converter module 140 to read the voltage signal, convert it into optical power, and then send it to the PID algorithm unit 171. After the PID algorithm unit 171 calculates new optical power control parameters based on the current optical power, the main control module 120 uses these parameters to drive the digital-to-analog converter module 130 to output a new voltage, which is then sent to the optical power control module 150, thereby achieving closed-loop control of the optical power of the butterfly optical device 200. To improve the accuracy of the output optical power, a polynomial parameter fitting is performed on the relationship between the input optical power and output current of the photodetector 220. This polynomial parameter can be written into the main control module 120 via the host computer 110, thus addressing the nonlinearity issue of the photodetector 220. Furthermore, the main control module 120 can also drive the digital-to-analog converter module 130 to output a specific voltage. This voltage enters the temperature acquisition and control module 170 and is converted into a current of a specific direction and magnitude to drive the semiconductor cooling chip 240 to perform cooling or heating at a specific rate. The temperature acquisition and control module 170 converts the temperature into a voltage signal. The main control module 120 drives the analog-to-digital converter 140 to read the voltage signal, convert it back into temperature, and then send it to the PID algorithm unit 171. The PID algorithm unit 171 calculates new temperature control parameters, and the main control module 120 uses these parameters to drive the digital-to-analog converter 130 to output a new voltage, which is then sent to the temperature acquisition and control module 170, thereby achieving closed-loop temperature control of the butterfly optical device 200. The digital-to-analog converter 130 and the analog-to-digital converter 140 each include eight channels. The optical power control module 150 includes four optical power control units 151, the optical power monitoring module 160 includes four optical power monitoring units 161, and the temperature acquisition and control module 170 includes four temperature acquisition and control units 171, which can meet the control requirements of the four butterfly optical devices 200. The optical power control unit 151 includes an operational amplifier 1511 that can construct a V / I conversion circuit to drive the butterfly laser or butterfly optical amplifier 210. By using a transistor to amplify the current, the driving capability of the digital-to-analog converter module 130 can be enhanced.The ADN8834 integrated chip's built-in H-bridge circuit converts 0-2.5V voltage into -1.5A to 1.5A current, and its built-in operational amplifier converts the resistance change of the thermistor 230 into a voltage change. The main control module 120 drives the digital-to-analog converter module 130 to output a specific voltage. This voltage enters the temperature acquisition and control module 170 and is converted into a current of a specific direction and magnitude to drive the thermoelectric cooler 240 to perform cooling or heating at a specific rate. The serial communication module 180 includes a CH340 chip that can convert the 5V voltage from the host computer 110's USB port to the 3.3V voltage from the main control module 120. The control device and system for the butterfly optical device 200 provided in this embodiment of the utility model can meet the needs of complex and intensive applications such as optical computing and optical switching. By setting the PID algorithm unit 171, the voltage value required by the eight-channel digital-to-analog converter module 130 can be calculated, thereby enabling precise and stable control of the output optical power and wavelength of at least two butterfly optical devices 200. Moreover, the cost per channel is much lower than that of commercial control systems, making it inexpensive, compact, easy to operate, and suitable for practical applications.

[0039] Figure 4 This is a schematic diagram of the control system for a butterfly-shaped optical device provided in an embodiment of the present invention, with reference to... Figure 4 The control system of the butterfly-shaped optical device includes a control device 100 for the butterfly-shaped optical device provided in any of the above embodiments and at least two butterfly-shaped optical devices 200. The control device 100 for the butterfly-shaped optical device is electrically connected to the at least two butterfly-shaped optical devices 200.

[0040] Optionally, based on the above embodiments, the control device 100 of the butterfly optical device is electrically connected to four butterfly optical devices 200.

[0041] The control system for the butterfly optical device provided in this embodiment includes the control device 100 for the butterfly optical device provided in any of the above embodiments, and therefore has the same beneficial effects. For any content not described in detail in this embodiment, please refer to the control device for the butterfly optical device provided in the above embodiments.

[0042] The specific embodiments described above do not constitute a limitation on the scope of protection of this utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A control device for a butterfly-shaped optical device, characterized in that, include: The system includes a host computer, a main control module, a digital-to-analog converter module, an analog-to-digital converter module, an optical power control module, an optical power monitoring module, and a temperature acquisition and control module. The main control module includes a PID algorithm unit. The host computer outputs the first parameter of the PID algorithm unit and the second parameter of the butterfly-shaped optical device, which are electrically connected to the parameter input of the main control module. The main control module outputs the first voltage value required by the digital-to-analog converter calculated by the PID algorithm unit, which is electrically connected to the first voltage input of the digital-to-analog converter. The main control module outputs the second voltage value required by the digital-to-analog converter calculated by the PID algorithm unit, which is electrically connected to the second voltage input of the digital-to-analog converter. The optical power control module includes at least two optical power control units; the optical power monitoring module includes at least two optical power monitoring units; the temperature acquisition control module includes at least two temperature acquisition control units; the control device for the butterfly optical device is electrically connected to at least two of the butterfly optical devices, and the butterfly optical device includes a butterfly laser or butterfly optical amplifier, a photodetector, a thermistor, and a semiconductor cooling chip; The output terminals of the at least two optical power control units are respectively electrically connected to the corresponding butterfly laser or butterfly optical amplifier; the input terminals of the at least two optical power monitoring units are respectively electrically connected to the corresponding photodetectors; the first input terminals of the at least two temperature acquisition control units are respectively electrically connected to the corresponding thermistors; and the first output terminals of the at least two temperature acquisition control units are respectively electrically connected to the corresponding semiconductor cooling chips. The digital-to-analog conversion module includes at least two power control signal output terminals and at least two temperature control signal output terminals; the analog-to-digital conversion module includes at least two power monitoring signal terminals and at least two temperature acquisition signal terminals; at least two of the power control signal output terminals are electrically connected to the input terminals of the corresponding optical power control units. At least two temperature control signal output terminals are electrically connected to the second input terminal of the corresponding temperature acquisition and control unit; at least two power monitoring signal terminals are electrically connected to the output terminal of the corresponding optical power monitoring unit; and at least two temperature acquisition signal input terminals are electrically connected to the second output terminal of the corresponding temperature acquisition and control unit.

2. The control device for the butterfly-shaped optical device according to claim 1, characterized in that, The optical power control module includes four optical power control units; the optical power monitoring module includes four optical power monitoring units; the temperature acquisition control module includes four temperature acquisition control units; the digital-to-analog conversion module and the analog-to-digital conversion module each include eight channels; the control device for the butterfly optical device is electrically connected to the four butterfly optical devices.

3. The control device for the butterfly-shaped optical device according to claim 1, characterized in that, The optical power control unit includes an operational amplifier; the first input terminal of the operational amplifier is electrically connected to the power control signal output terminal, the second input terminal of the operational amplifier is grounded, and the output terminal of the operational amplifier is electrically connected to the butterfly laser or the butterfly optical amplifier.

4. The control device for the butterfly-shaped optical device according to claim 3, characterized in that, The optical power control unit also includes a transistor; the base of the transistor is electrically connected to the output terminal of the operational amplifier, the collector of the transistor is electrically connected to the power supply terminal of the operational amplifier, and the emitter of the transistor is electrically connected to the butterfly laser or the butterfly optical amplifier.

5. The control device for the butterfly-shaped optical device according to claim 1, characterized in that, The optical power monitoring unit includes a sampling resistor; the first end of the sampling resistor is electrically connected to the photodetector, and the second end of the sampling resistor is electrically connected to the power monitoring signal terminal. The temperature acquisition and control unit includes a temperature acquisition and control chip; the temperature acquisition and control chip is an ADN8834 integrated chip.

6. The control device for the butterfly-shaped optical device according to claim 3, characterized in that, The operational amplifier is an OPA735 chip.

7. The control device for the butterfly-shaped optical device according to claim 4, characterized in that, The transistor is an SS8050 chip.

8. The control device for the butterfly-shaped optical device according to claim 1, characterized in that, Also includes: Serial communication module; the host computer is electrically connected to the main control module through the serial communication module; The serial communication module includes a CH340 chip.

9. A control system for a butterfly-shaped optical device, characterized in that, Includes a control device for the butterfly optical device as described in any one of claims 1-8, and at least two butterfly optical devices; The control device for the butterfly-shaped optical device is electrically connected to at least two of the butterfly-shaped optical devices.

10. The control system for the butterfly-shaped optical device according to claim 9, characterized in that, The control device for the butterfly-shaped optical device is electrically connected to the four butterfly-shaped optical devices.

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