Active optical fiber cable system, active optical fiber cable transmitting device and active optical fiber cable receiving device

Abstract

The utility model relates to an active optical fiber cable system, an active optical fiber cable transmitting device and an active optical fiber cable receiving device. The active optical fiber cable system is applied to a transmitting end electronic device and a receiving end electronic device. The active optical fiber cable system comprises an active optical fiber cable transmitting device, an active optical fiber cable receiving device and an optical fiber; the active optical fiber cable transmitting device comprises a transmitting end signal shunting processor and a transmitting end vertical resonant cavity surface emitting type laser circuit; the active optical fiber cable receiving device comprises a receiving end signal shunting processor and a receiving end vertical resonant cavity surface emitting type laser circuit; the transmitting end vertical resonant cavity surface emitting type laser circuit is connected to the receiving end vertical resonant cavity surface emitting type laser circuit through the optical fiber.

Description

Technical Field

[0001] The present application relates to an optical fiber cable system, an optical fiber cable transmitting device and an optical fiber cable receiving device, and in particular to an active optical fiber cable system, an active optical fiber cable transmitting device and an active optical fiber cable receiving device. Background Art

[0002] In recent years, the application of artificial intelligence has developed rapidly, prompting the rapid development of high-speed data transmission and computing technology. In order to meet the demand for high-speed data transmission in the application field of artificial intelligence, data transmission using active optical fiber cables has become one of the mainstream technologies. Taking the transmission of artificial intelligence network cards connected to switches as an example, active optical fiber cable technology with laser drivers with electroabsorption modulated laser (EML) single-mode optical modules or directly modulated laser (DML) single-mode optical modules is currently used.

[0003] However, the cost and power consumption of the electro-absorption modulated laser single-mode optical module or the direct modulated laser single-mode optical module are very high, and this problem needs to be solved urgently. Utility Model Content

[0004] In order to solve the above problems, the purpose of the present application is to provide an active optical fiber cable system.

[0005] To solve the above problem, another object of the present application is to provide an active optical fiber cable transmitting device.

[0006] To solve the above problem, another object of the present application is to provide an active optical fiber cable receiving device.

[0007] To achieve the above object of the present application, the active optical fiber cable system of the present application is applied to a transmitting-end electronic device and a receiving-end electronic device. The active optical fiber cable system includes: an active optical fiber cable transmitting device electrically connected to the transmitting-end electronic device; an active optical fiber cable receiving device electrically connected to the receiving-end electronic device; and an optical fiber, wherein the active optical fiber cable transmitting device is connected to the active optical fiber cable receiving device through the optical fiber. Among them, the active optical fiber cable transmitting device includes: a transmitting-end signal splitting and processing unit electrically connected to the transmitting-end electronic device; and a transmitting-end vertical cavity surface emitting laser (VCSEL) circuit electrically connected to the transmitting-end signal splitting and processing unit. Among them, the active optical fiber cable receiving device includes: a receiving-end signal splitting and processing unit electrically connected to the receiving-end electronic device; and a receiving-end vertical cavity surface emitting laser (VCSEL) circuit electrically connected to the receiving-end signal splitting and processing unit, and the transmitting-end vertical cavity surface emitting laser (VCSEL) circuit is connected to the receiving-end vertical cavity surface emitting laser (VCSEL) circuit through the optical fiber.

[0008] To achieve another above object of the present application, the active optical fiber cable transmitting device of the present application is applied to a transmitting-end electronic device, an optical fiber and an active optical fiber cable receiving device. The active optical fiber cable receiving device includes a receiving-end vertical cavity surface emitting laser (VCSEL) circuit. The active optical fiber cable transmitting device includes: a transmitting-end signal splitting and processing unit electrically connected to the transmitting-end electronic device; and a transmitting-end vertical cavity surface emitting laser (VCSEL) circuit electrically connected to the transmitting-end signal splitting and processing unit, and the transmitting-end vertical cavity surface emitting laser (VCSEL) circuit is connected to the receiving-end vertical cavity surface emitting laser (VCSEL) circuit through the optical fiber.

[0009] To achieve yet another above object of the present application, the active optical fiber cable receiving device of the present application is applied to a receiving-end electronic device, an optical fiber and an active optical fiber cable transmitting device. The active optical fiber cable transmitting device includes a transmitting-end vertical cavity surface emitting laser (VCSEL) circuit. The active optical fiber cable receiving device includes: a receiving-end signal splitting and processing unit electrically connected to the receiving-end electronic device; and a receiving-end vertical cavity surface emitting laser (VCSEL) circuit electrically connected to the receiving-end signal splitting and processing unit, and the transmitting-end vertical cavity surface emitting laser (VCSEL) circuit is connected to the receiving-end vertical cavity surface emitting laser (VCSEL) circuit through the optical fiber.

[0010] The function of this application is to reduce the cost and power consumption of the active optical fiber cable system.

[0011] To further understand the technology, method and effect of this application and achieve the intended purpose of this application, please refer to the following detailed description and drawings; in addition, the purpose, characteristics and features of this application can be understood more deeply and specifically; however, the drawings are provided only for reference and description and are not intended to limit the scope of this application. Description of the Drawings

[0012] Figure 1 It is a block diagram of the active optical fiber cable system of this application.

[0013] Figure 2 It is a block diagram of the active optical fiber cable transmitting device of this application.

[0014] Figure 3 It is a block diagram of the active optical fiber cable receiving device of this application.

[0015] Description of the Reference Numerals:

[0016] 10: Active optical fiber cable system;

[0017] 20: Transmitting end electronic device;

[0018] 30: Receiving end electronic device;

[0019] 102: Active optical fiber cable transmitting device;

[0020] 104: Active optical fiber cable receiving device;

[0021] 106: Optical fiber;

[0022] 108: Transmitting end signal splitting processor;

[0023] 110: Transmitting end vertical cavity surface emitting laser circuit;

[0024] 112: Receiving end signal splitting processor;

[0025] 114: Receiving end vertical cavity surface emitting laser circuit;

[0026] 116: Transmitting end channel;

[0027] 118: Receiving end channel;

[0028] ES1: Transmitting end electrical signal;

[0029] ES2: Receiving end electrical signal;

[0030] LS: Optical signal. Detailed Description of the Embodiments

[0031] In this application, many specific details are provided to provide a comprehensive understanding of the embodiments of this application; however, those skilled in the art can understand that this application can also be practiced without one or more of these specific details; in other cases, well-known details are not shown or described to avoid obscuring the features of this application. The technical content and detailed description of this application are as follows and are illustrated with the accompanying drawings.

[0032] Please refer to Figure 1 , which is a block diagram of the active optical fiber cable system 10 of this application; the active optical fiber cable system 10 of this application is applied to the transmitting-end electronic device 20 and the receiving-end electronic device 30. The active optical fiber cable system 10 includes an active optical fiber cable transmitting device 102, an active optical fiber cable receiving device 104, and an optical fiber 106. The active optical fiber cable transmitting device 102 includes a transmitting-end signal splitting processor 108 and a transmitting-end vertical cavity surface emitting laser (usually abbreviated as VCSEL) circuit 110. The active optical fiber cable receiving device 104 includes a receiving-end signal splitting processor 112 and a receiving-end vertical cavity surface emitting laser circuit 114.

[0033] The active optical fiber cable transmitting device 102 is electrically connected to the transmitting-end electronic device 20, and the active optical fiber cable receiving device 104 is electrically connected to the receiving-end electronic device 30. The active optical fiber cable transmitting device 102 is connected to the active optical fiber cable receiving device 104 through the optical fiber 106; the transmitting-end signal splitting processor 108 is electrically connected to the transmitting-end electronic device 20 and the transmitting-end vertical cavity surface emitting laser circuit 110, and the receiving-end signal splitting processor 112 is electrically connected to the receiving-end electronic device 30 and the receiving-end vertical cavity surface emitting laser circuit 114. The transmitting-end vertical cavity surface emitting laser circuit 110 is connected to the receiving-end vertical cavity surface emitting laser circuit 114 through the optical fiber 106.

[0034] The transmitting end electronic device 20 may be, for example but not limited to in this application, an artificial intelligence network card, and the receiving end electronic device 30 may be, for example but not limited to in this application, a switch. In a specific embodiment of this application but not limiting this application, the active optical fiber cable system 10 includes the transmitting end electronic device 20 and the receiving end electronic device 30. The active optical fiber cable transmitting device 102 may be, for example but not limited to in this application, an octal small form factor pluggable (usually abbreviated as OSFP) transmission interface circuit (i.e., a multimode optical module), and includes many components of a general octal small form factor pluggable transmission interface circuit not shown in Figure 1 The active optical fiber cable receiving device 104 may be, for example but not limited to in this application, a quad small form factor pluggable-double density (usually abbreviated as QSFP-DD) transmission interface circuit (i.e., a multimode optical module), and includes many components of a general quad small form factor pluggable-double density transmission interface circuit not shown in Figure 1 The active optical fiber cable receiving device 104 may be, for example but not limited to in this application, a quad small form factor pluggable-double density (usually abbreviated as QSFP-DD) transmission interface circuit (i.e., a multimode optical module), and includes many components of a general quad small form factor pluggable-double density transmission interface circuit not shown in

[0035] The transmitting end signal shunt processor 108 may be, for example but not limited to in this application, a digital signal processor (usually abbreviated as DSP), and the receiving end signal shunt processor 112 may be, for example but not limited to in this application, a digital signal processor; or, the transmitting end signal shunt processor 108 may be, for example but not limited to in this application, a gearbox circuit, and the receiving end signal shunt processor 112 may be, for example but not limited to in this application, a gearbox circuit. The transmitting end vertical cavity surface emitting laser circuit 110 may be, for example but not limited to in this application, a vertical cavity surface emitting laser module, and the receiving end vertical cavity surface emitting laser circuit 114 may be, for example but not limited to in this application, a vertical cavity surface emitting laser module.

[0036] The transmitting - end signal splitting processor 108 is configured to receive M transmitting - end electrical signals ES1 transmitted by the transmitting - end electronic device 20 via M transmitting - end channels (lanes) 116; the transmitting - end signal splitting processor 108 and the transmitting - end vertical - cavity surface - emitting laser circuit 110 are configured to convert the M transmitting - end electrical signals ES1 into M optical signals LS; the transmitting - end vertical - cavity surface - emitting laser circuit 110 is configured to transmit the M optical signals LS to the receiving - end vertical - cavity surface - emitting laser circuit 114 via the optical fiber 106; the receiving - end vertical - cavity surface - emitting laser circuit 114 and the receiving - end signal splitting processor 112 are configured to convert the M optical signals LS into N receiving - end electrical signals ES2; the receiving - end signal splitting processor 112 is configured to transmit the N receiving - end electrical signals ES2 to the receiving - end electronic device 30 via N receiving - end channels 118. The above - mentioned M is a positive integer, the above - mentioned N is also a positive integer, and the above - mentioned M is not equal to the above - mentioned N (for example, the above - mentioned M is less than the above - mentioned N).

[0037] In a specific embodiment of the present application but not limiting the present application, the above - mentioned M is 4; in other words, the octal small - form - factor pluggable transmission interface circuit (i.e., the active optical cable transmitting device 102) has 4 transmitting - end channels 116, such that the transmitting - end signal splitting processor 108 and the transmitting - end vertical - cavity surface - emitting laser circuit 110 convert 4 transmitting - end electrical signals ES1 into 4 optical signals LS; if the first data transmission rate of the octal small - form - factor pluggable transmission interface circuit is 400 Gb / s, then the first data splitting transmission rate of each of the 4 transmitting - end channels 116 is 100 Gb / s. Furthermore, the first data transmission rate is at least 100 Gb / s.

[0038] As described above, the above - mentioned N is 8; in other words, the dual - density four - channel small - form - factor pluggable transmission interface circuit (i.e., the active optical cable receiving device 104) has 8 receiving - end channels 118, such that the receiving - end vertical - cavity surface - emitting laser circuit 114 and the receiving - end signal splitting processor 112 convert the 4 optical signals LS into 8 receiving - end electrical signals ES2; the second data transmission rate of the dual - density four - channel small - form - factor pluggable transmission interface circuit is 400 Gb / s, and the second data splitting transmission rate of each of the 8 receiving - end channels 118 is 50 Gb / s.

[0039] In summary, when the octal small form-factor pluggable (OSFP) transmission interface circuit with the first data transmission rate of 400 Gb / s is connected to the dual-density four-channel small form-factor pluggable (QSFP-DD) transmission interface circuit with the second data transmission rate of 400 Gb / s, since the OSFP transmission interface circuit has 4 transmitter channels 116 and the first data splitting transmission rate of each of the 4 transmitter channels 116 is 100 Gb / s, and since the QSFP-DD transmission interface circuit has 8 receiver channels 118 and the second data splitting transmission rate of each of the 8 receiver channels 118 is 50 Gb / s, the transmitter signal splitting processor 108 and the receiver signal splitting processor 112 are required in this application to perform signal conversion. In another specific embodiment of this application, the active optical cable transmitting device 102 can be a four-channel small form-factor pluggable (QSFP) transmission interface circuit (i.e., a multimode optical module) with a data transmission rate of 112 Gb / s.

[0040] Please refer to Figure 2 , which is a block diagram of the active optical cable transmitting device 102 of this application; the active optical cable transmitting device 102 of this application is applied to a transmitter electronic device 20, an optical fiber 106, and an active optical cable receiving device 104. The active optical cable receiving device 104 includes a receiver vertical-cavity surface-emitting laser (VCSEL) circuit 114. The active optical cable transmitting device 102 includes a transmitter signal splitting processor 108 and a transmitter vertical-cavity surface-emitting laser (VCSEL) circuit 110. The transmitter signal splitting processor 108 is electrically connected to the transmitter electronic device 20. The transmitter vertical-cavity surface-emitting laser (VCSEL) circuit 110 is electrically connected to the transmitter signal splitting processor 108. The transmitter vertical-cavity surface-emitting laser (VCSEL) circuit 110 is connected to the receiver vertical-cavity surface-emitting laser (VCSEL) circuit 114 via the optical fiber 106.

[0041] The transmitter signal splitting processor 108 is configured to receive M transmitter electrical signals ES1 transmitted by the transmitter electronic device 20 via M transmitter channels 116; the transmitter signal splitting processor 108 and the transmitter vertical-cavity surface-emitting laser (VCSEL) circuit 110 are configured to convert the M transmitter electrical signals ES1 into M optical signals LS; the transmitter vertical-cavity surface-emitting laser (VCSEL) circuit 110 is configured to transmit the M optical signals LS to the receiver vertical-cavity surface-emitting laser (VCSEL) circuit 114 via the optical fiber 106; M is a positive integer. The transmitter signal splitting processor 108 is a digital signal processor or a gearbox circuit. Figure 2 The remaining content ofFigure 1 The content is the same as that of, so it will not be repeated here.

[0042] Please refer to Figure 3 , which is a block diagram of the active fiber optic cable receiving device 104 of the present application; the active fiber optic cable receiving device 104 of the present application is applied to the receiving end electronic device 30, the optical fiber 106, and the active fiber optic cable transmitting device 102. The active fiber optic cable transmitting device 102 includes a transmitting end vertical cavity surface emitting laser circuit 110. The active fiber optic cable receiving device 104 includes a receiving end signal splitting processor 112 and a receiving end vertical cavity surface emitting laser circuit 114. The receiving end signal splitting processor 112 is electrically connected to the receiving end electronic device 30. The receiving end vertical cavity surface emitting laser circuit 114 is electrically connected to the receiving end signal splitting processor 112. The transmitting end vertical cavity surface emitting laser circuit 110 is connected to the receiving end vertical cavity surface emitting laser circuit 114 through the optical fiber 106.

[0043] The transmitting end vertical cavity surface emitting laser circuit 110 transmits M optical signals LS to the receiving end vertical cavity surface emitting laser circuit 114 through the optical fiber 106; the receiving end vertical cavity surface emitting laser circuit 114 and the receiving end signal splitting processor 112 are configured to convert the M optical signals LS into N receiving end electrical signals ES2; the receiving end signal splitting processor 112 is configured to transmit the N receiving end electrical signals ES2 to the receiving end electronic device 30 through N receiving end channels 118; M is a positive integer; N is a positive integer; M is not equal to N. The receiving end signal splitting processor 112 is a digital signal processor or a gearbox circuit. Figure 3 The remaining content of Figure 1 is the same as that of, so it will not be repeated here.

[0044] The efficacy of the present application lies in reducing the cost and power consumption of the active fiber optic cable system 10. The present application belongs to the data transmission technology in the field of artificial intelligence applications, especially the use of active fiber optic cable technology in the field of artificial intelligence applications. The active fiber optic cable of the present application uses a multimode optical module VCSEL laser driver as a transceiver device to replace a single mode optical module EML (or DML) laser driver, thereby reducing the system cost and power consumption.

[0045] Although the present application has been described with reference to the embodiments of the present application, it should be understood that the present application is not limited to its details; various substitutions and modifications have been proposed in the foregoing description, and other substitutions and modifications will occur to those of ordinary skill in the art; therefore, all such substitutions and modifications are intended to be included within the scope of the present application.

Claims

1. An active optical fiber cable system is applied to a transmitting end electronic device and a receiving end electronic device, and is characterized in that, The active optical fiber cable system includes: An active optical fiber cable transmitting device, which is electrically connected to the transmitting end electronic device; An active optical fiber cable receiving device, which is electrically connected to the receiving end electronic device; And An optical fiber, through which the active optical fiber cable transmitting device is connected to the active optical fiber cable receiving device, wherein, the active optical fiber cable transmitting device includes: A transmitting end signal splitting processor, which is electrically connected to the transmitting end electronic device; and A transmitting end vertical cavity surface emitting laser circuit, which is electrically connected to the transmitting end signal splitting processor, wherein, the active optical fiber cable receiving device includes: A receiving end signal splitting processor, which is electrically connected to the receiving end electronic device; and A receiving end vertical cavity surface emitting laser circuit, which is electrically connected to the receiving end signal splitting processor, and the transmitting end vertical cavity surface emitting laser circuit is connected to the receiving end vertical cavity surface emitting laser circuit through the optical fiber.

2. The active optical fiber cable system according to claim 1, wherein, The transmitting end signal splitting processor is a digital signal processor; the receiving end signal splitting processor is a digital signal processor.

3. The active optical fiber cable system according to claim 1, characterized in that, The transmitting end signal splitting processor is a gearbox circuit; the receiving end signal splitting processor is a gearbox circuit.

4. The active optical fiber cable system according to claim 1, wherein, The active optical fiber cable transmitting device is an octal small form-factor pluggable (SFP) transmission interface circuit; the active optical fiber cable receiving device is a quad small form-factor pluggable (QSFP) transmission interface circuit.

5. An active fiber optic cable transmitting device, characterized in that, Applied to the transmitting end electronic device, the optical fiber and the active optical fiber cable receiving device, the active optical fiber cable receiving device includes a receiving end vertical cavity surface emitting laser circuit, and the active optical fiber cable transmitting device includes: A transmitting end signal splitting processor, which is electrically connected to the transmitting end electronic device; and A transmitting end vertical cavity surface emitting laser circuit, which is electrically connected to the transmitting end signal splitting processor, and the transmitting end vertical cavity surface emitting laser circuit is connected to the receiving end vertical cavity surface emitting laser circuit through the optical fiber.

6. The active optical fiber cable transmitting device according to claim 5, wherein The transmitting end signal splitting processor is a digital signal processor or a gearbox circuit.

7. An active optical fiber cable receiving device, characterized in that, Applied to the receiving end electronic device, the optical fiber and the active optical fiber cable transmitting device, the active optical fiber cable transmitting device includes a transmitting end vertical cavity surface emitting laser circuit, and the active optical fiber cable receiving device includes: A receiving end signal splitting processor, which is electrically connected to the receiving end electronic device; And A receiving end vertical cavity surface emitting laser circuit, which is electrically connected to the receiving end signal splitting processor, and the transmitting end vertical cavity surface emitting laser circuit is connected to the receiving end vertical cavity surface emitting laser circuit through the optical fiber.

8. The active optical fiber cable receiving device as claimed in claim 7, wherein The receiving end signal shunt processor is a digital signal processor or a gearbox circuit.

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