44 results about "Lasing wavelength" patented technology

The application relates to a detection method and system for measuring residual oxygen concentration by laser, and relates to the field of gas concentration detection. The method comprises the following steps: selecting laser with oxygen absorption peak wavelength as detection laser, applying a periodically changed modulation signal to form a modulation laser and irradiate the headspace, demodulating a direct current component from the modulation laser passing through the headspace, calculating a deviation rate according to the direct current component and a reference direct current, judging whether the deviation rate is within a threshold value, feeding back and adjusting the laser wavelength if the deviation rate is not within the threshold value, and finally outputting a laser intensity attenuation curve of residual oxygen to obtain the residual oxygen concentration. The detection system comprises an optical subsystem, an electrical subsystem, a feedback control subsystem and a data processing subsystem. The application can accurately measure the residual oxygen concentration in the headspace, effectively detect and correct the laser wavelength drift, and improve the measurement precision and stability.

The application relates to a laser surface periodic structure construction method based on geometric structure guidance, and belongs to the field of laser micro-nano processing. The method first constructs a geometric structure with characteristic size and spatial arrangement on a material surface, and the geometric structure is obtained through mechanical processing, high-energy beam processing or other forming methods; then under the condition of random polarization or circular polarization laser irradiation, the geometric structure modulates the near-surface electromagnetic field distribution, thereby forming a periodic micro-nano structure. By adjusting the size, spacing and arrangement form of the geometric structure, controllable construction of one-dimensional gratings and two-dimensional array structures can be realized. The period of the formed structure is related to the wavelength of the incident laser, and satisfies the near-wavelength scale relationship (Lambda approximately 0.8-1.2 lambda), and can be adjusted by adjusting the wavelength of the laser. The method can realize large-area periodic structure preparation, and the process is relatively simple, and is suitable for surface optical regulation and functional interface construction.

A retinal projection device to be mounted on a near-eye wearable device includes: a light source that emits laser light; a movable mirror that performs scanning with the laser light; and a reflector that projects an image onto a retina of a user wearing the near-eye wearable device by reflecting the laser light having passed through the movable mirror and irradiating the retina with reflected light. The reflector includes: a reflective layer that reflects the laser light at a reflection angle that changes depending on a wavelength of the laser light and emits the laser light as the reflected light; and a phase correction layer that corrects chromatic aberration of the reflected light.

The application discloses a multi-mode vortex laser with adjustable order, comprising: a cavity lens coated with a laser wavelength anti-reflection film system, a first laser output mirror and a second laser output mirror, both of which are plane mirrors, and both of which are coated with a film system partially transmitting laser wavelength on one side and an anti-reflection film system for laser wavelength on the other side; a high-order Laguerre-Gaussian beam is focused by the cavity lens, and the focused beam waist positions of each-order Laguerre-Gaussian mode vortex light are separated under the action of spherical aberration of the cavity lens, and the higher the mode order and the larger the spot size, the closer the focused beam waist of the mode to the cavity lens; the positions of the first laser output mirror and the second laser output mirror are adjusted so as to be located at the waist positions of a certain mode, and the first laser output mirror and the second laser output mirror located at different positions provide feedback for two different-order Laguerre-Gaussian mode vortex lights, so that multi-mode vortex laser oscillation and output are formed.

The invention discloses a compact arbitrary transverse mode laser. The laser comprises a pumping source, a pumping focusing optical system, a laser total reflective mirror, a laser gain medium, a laser output mirror and an astigmatism mode converter, the pumping source emits pumping light in a gain medium absorption band; the pump light is focused and then enters the gain medium; the gain medium absorbs the pump light and generates laser gain; the total reflective mirror highly reflecting laser wavelength and the output mirror partially transmitting the laser wavelength jointly form a simple linear resonant cavity. When the laser gain medium is inclined by a preset angle relative to the optical axis of the resonant cavity, meridian light and sagittal light pass through different optical paths of the gain medium to introduce astigmatism, an HG mode facing the directions of two astigmatism symmetry axes can be reproduced, and modes facing other directions cannot be reproduced due to the astigmatism effect. Therefore, when the pump light deviates from the axis of the resonant cavity in the directions of the two astigmatic symmetry axes, any high-order HG mode with mode ordinal numbers not being zero in the two directions can be excited, and any LG mode laser can be generated through astigmatic mode conversion.

The application relates to the technical field of continuous laser optical film, in particular to a low-heat-effect laser film and a preparation method thereof. The method comprises the following steps: designing a film system according to laser wavelengths and optical performance and simulating and optimizing; precisely polishing a substrate, ultrasonic cleaning and activating; alternately preparing high and low refractive index functional layers and interface modification layers by physical vapor deposition and atomic layer deposition, setting the interface modification layers between the adjacent high and low refractive index functional layers, forming a periodic stacking structure; and annealing treatment under an inert atmosphere at 150-300 DEG C to obtain a finished product. The method has the advantages that: phonon bridging and interface passivation are realized through nano-Al2O3 interface modification, interface thermal resistance is significantly reduced, heat accumulation and thermal lens effect are inhibited, and the laser damage threshold is improved; the process is controllable, the film layer is dense and uniform, and the method is suitable for antireflection, high-reflection or light-splitting devices of high-power continuous laser systems.

A narrow linewidth mid infrared laser, including a pumping laser diode with a fast-axis compressor and a pumping wavelength λo; and an optical resonator arranged to receive the pumping wavelength λo, the optical resonator including a laser crystal with a lasing wavelength λp, a dichroic mirror, and a nonlinear crystal to generate an idler wavelength λi.

1. The name of the present design product: dynamic graphical user interface of laser treatment operation of electronic device (ML-3080Q). 2. The use of the present design product: an electronic device. 3. The design points of the present design product: the interface content in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 interface change state figure 4. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the present design product is used for the operation of the laser treatment function. 7. Human-computer interaction method of graphical user interface: In Design 1, after powering on, the device displays the main view of Design 1. Entering the operation password in the main view of Design 1 sequentially displays the following interface state changes: Design 1 interface state change diagram 1, Design 1 interface state change diagram 2, Design 1 interface state change diagram 3, and Design 1 interface state change diagram 4. Design 1 interface state change diagram 4 displays relevant parameters such as the laser wavelength, pulse frequency, energy density, spot diameter, indicator light intensity, count value, and laser mode, as well as the current working status of the device. It also has function buttons for setting these parameters and working status. Click the "Ready" button in the lower right corner of Design 1 Interface Change State Diagram 4. The interface will jump from Design 1 Interface Change State Diagram 4 to Design 1 Interface Change State Diagram 5. In Design 2, after powering on, the device displays the Design 2 main view. Enter the operation password in the Design 2 main view, and the Design 2 Interface Change State Diagrams 1, 2, 3, and 4 will be displayed sequentially. Design 2 Interface Change State Diagram 4 displays the laser wavelength, pulse frequency, energy density, spot diameter, indicator light intensity, count value, laser mode, etc. of the device currently in operation. The device displays relevant parameters and its current operating status, and also has function buttons for setting these parameters and operating status. Clicking the "Information" button at the bottom of Design 2 interface change state diagram 4 will jump the interface from Design 2 interface change state diagram 4 to Design 2 interface change state diagram 5. In Design 3, after powering on, the device displays the Design 3 main view. Entering the diagnostic password in the Design 3 main view will sequentially display Design 3 interface change state diagram 1, Design 3 interface change state diagram 2, Design 3 interface change state diagram 3, and Design 3 interface change state diagram 4. In Design 4, after powering on, the device displays the Design 4 main view. Enter the operation password in the main view of Design 4, and the interface will be displayed sequentially in the following diagrams: Design 4 Interface Change Status Diagram 1, Design 4 Interface Change Status Diagram 2, Design 4 Interface Change Status Diagram 3, and Design 4 Interface Change Status Diagram 4. Design 4 Interface Change Status Diagram 4 displays the laser wavelength, pulse frequency, energy density, spot diameter, indicator light intensity, count value, laser mode, and other relevant parameters and the current working status of the device. It also has function buttons for setting these parameters and working status. Press the power off button on the device, and the interface will jump from Design 4 Interface Change Status Diagram 4 to Design 4 Interface Change Status Diagram 5.

This invention provides a frequency-domain shaping laser-plasma resonance sintering system using aerosol jetting. The localized strong electromagnetic field excited by LSPR can induce electron cloud rearrangement and chemical bond reconstruction at the interface of adjacent nanoparticles, forming an atomic-level interdiffusion transition layer. This invention precisely controls the laser wavelength through frequency-domain shaping technology to match the LSPR characteristic peaks of the nanoparticles, maximizing the local electromagnetic field enhancement effect. This allows for the completion of nanoparticle melting and necking formation at ultra-low laser power, overcoming the energy efficiency limitations of traditional post-processing techniques such as high-temperature furnace heating. Simultaneously, this process is completed within the femtosecond to picosecond timescale, avoiding component segregation caused by high-temperature thermal diffusion and significantly improving the bonding strength of the nanoparticle interface. Furthermore, it achieves nanoscale selective heating, completing particle melting and necking formation at ultra-low laser power, avoiding overall thermal damage.

The application discloses a water body chlorophyll concentration profile inversion method and a laser radar detection method, wherein the inversion method comprises the following steps: obtaining laser radar detection echo signals at a specific depth in a target area, which comprises a fluorescence channel and a Raman channel; expressing a backscattering signal profile of the fluorescence channel as a function comprising a fluorescence backscattering coefficient; expressing a backscattering signal profile of the Raman channel as a function comprising a Raman backscattering coefficient; normalizing the backscattering signal profile function of the fluorescence channel with the backscattering signal profile function of the Raman channel to obtain a normalized signal; inverting the fluorescence backscattering coefficient based on a perturbation method; inverting a chlorophyll fluorescence absorption coefficient at a specific laser wavelength based on the inverted fluorescence backscattering coefficient; and inverting a chlorophyll concentration profile in the water body based on the inverted chlorophyll fluorescence absorption coefficient. The inversion method can invert the water body chlorophyll concentration profile from one measurement.

The application discloses a general-purpose computer hologram generation method and system based on structured propagation, equipment, medium and product, and relates to the field of computer holography. The method comprises the following steps: decoupling a zero-frequency reference diagonal spectrum method transfer function to construct a structured propagation model; obtaining a target scene graph and a laser wavelength; based on the target scene graph and the laser wavelength, a structured propagation model is used to obtain a structure normalized input field; the structure normalized input field is input into a hologram generation model to obtain a pure phase hologram; and the hologram generation model is obtained by training a U-net network through a sample input field and a sample pure phase hologram. The application can improve the accuracy of hologram generation.

This invention provides a laser wavelength correction method based on the carbon dioxide absorption spectrum in a methane laser gas detection system. By superimposing the absorption peak signals of carbon dioxide and methane in the vicinity of 1653.7 nm, three absorption peaks with fixed relative positions are obtained. The microcontroller obtains the coordinate positions of the three absorption peaks and calculates and judges the wavelength offset by comparing them with the system's preset coordinate positions. The frequency domain offset corresponding to the offset can be obtained by comparing the coordinates of the three absorption peaks with the fixed positions in the frequency domain. The microcontroller can then accurately adjust the temperature control module based on the frequency domain offset and the temperature tuning coefficient of the laser, thereby completing the laser wavelength correction through temperature compensation.

The application discloses a kind of laser and the modulation method of laser signal thereof, laser radar.Therein, the device belongs to the field of laser radar, comprising: at least one active waveguide section, for generating laser signal according to preset laser mode, wherein at least one active waveguide section is used to indicate the active waveguide section containing active gain medium;Annular waveguide is matched with active waveguide, and the distance between annular waveguide and the active waveguide section matched therewith is less than preset distance;Annular waveguide, for adjusting the lasing wavelength of laser signal according to injected bias current, and modulating the frequency of the laser signal according to the received current modulation signal, to obtain modulated laser signal.The application solves the technical problem that the modulation characteristics of frequency modulation signal are deteriorated when using electric injection method for frequency modulation in FMCW frequency modulation laser in the related art.

The application discloses a vertical cavity surface emitting laser and a manufacturing method thereof. The laser comprises a GaAs substrate, a first DBR layer formed on the GaAs substrate, an oxidation layer formed on the first DBR layer, a lattice gradient layer formed on the oxidation layer, a cladding layer formed on the lattice gradient layer, wherein the cladding layer comprises a first cladding layer and a second cladding layer stacked, a gain layer formed between the first cladding layer and the second cladding layer, and a second DBR layer formed on the cladding layer. The lattice gradient layer has different lattice constants in the thickness direction, and the lattice constant of the side of the lattice gradient layer close to the GaAs substrate matches the lattice constant of the GaAs substrate, and the lattice constant of the side of the lattice gradient layer close to the gain layer matches the lattice constant of the gain layer. The vertical cavity surface emitting laser and the manufacturing method thereof can flexibly expand the lasing wavelength to 1500 nm or above.

The application provides application of a tungsten-containing sensitization aid in preparation of a resin composition capable of being selectively metalized by laser activation, the tungsten-containing sensitization aid being selected from any one or two or more of tungsten oxide, tungsten sulfide, tungsten-containing acid and tungsten-containing salt, and belongs to the field of laser sensitization aids.The inventor of the application has unexpectedly found that after the resin composition to which the tungsten-containing sensitization aid is added is activated by a laser with a wavelength of 190-1064 nm, chemical copper plating can be well performed on the surface of the resin composition.On one hand, 190-1064 nm almost covers all laser wavelengths, and the resin composition activated under different laser wavelengths can exert the advantages of the laser wavelength itself;on the other hand, the tungsten-containing sensitization aid is more inexpensive than traditional copper-containing and tin-containing sensitization aids, and can significantly reduce production cost.The resin composition of the application can obtain excellent plating layer thickness and plating layer strength under the condition of a lower addition amount of the tungsten-containing sensitization aid, and has excellent industrial application value.

The present application provides an integrated device, comprising: a substrate; a modulation region, a front grating region, a laser gain region, and a back grating region arranged in sequence on the same surface of the substrate; the modulation region comprises at least two sub-modulator regions, wherein the band gap wavelength of the modulation region is shorter than that of the laser gain region, and the band gap wavelengths of the at least two sub-modulator regions are different; the front grating region, the laser gain region, and the back grating region constitute a wide tunable laser for emitting laser with a wide tunable wavelength; the at least two sub-modulator regions are used for switching according to the lasing wavelength of the laser or sharing the at least two sub-modulator regions to modulate the intensity of the laser. Another aspect of the present application provides a preparation method of the above integrated device.

The application discloses a transmission type laser pyroelectric sensor, a laser power meter and a laser power measurement method, and belongs to the technical field of laser power measurement. The sensor comprises a substrate, a thermoelectric pile and a heat sink. The thermoelectric pile comprises a plurality of series-connected thermocouples arranged on the surface of the substrate to divide the substrate into a light transmission area without the thermocouples and an area where the thermocouples are located. The material of the light transmission area has an absorption rate of less than 5% to the wavelength of the laser to be measured, so as to allow the laser to be measured to be transmitted, and the heat absorbed by the material from the laser to be measured is lower than the heat damage threshold of the material. The hot end of the thermocouple is close to the light transmission area, and the cold end is away from the light transmission area. The heat sink is in contact with the substrate and / or the thermoelectric pile. The application has the advantages of high damage threshold, fast response speed, adjustable sensitivity, compact structure and on-line measurement, and is suitable for real-time monitoring of kilowatt to ten-kilowatt high-power lasers, especially fiber lasers.

Integrated and miniaturized fiber optic assembly. An optical fiber array unit (FAU) is disclosed, comprising: a housing comprising a material transparent to laser wavelengths, the housing having a first end and a second end, the second end comprising a beveled outer surface; an optical fiber array having optical fiber ends received into the housing in the first end of the housing and terminating at the second end of the housing, the optical fiber array configured to transmit laser wavelengths from one or more external lasers via an array of polarization maintaining optical fibers to transmit an array of optical beams; a polarization layer covering a portion of the beveled outer surface of the housing; and an absorption layer covering a portion of the polarization layer, the absorption layer located on a region of the polarization layer proximate the polarization maintaining optical fibers.

The application discloses a semiconductor optical device and an optical signal modulation method. The semiconductor optical device comprises an integrated multi-section serial laser based on a same active region, and is used for emitting optical signals of different lasing wavelengths through a same lasing end face in different time periods of a modulation period in an application scenario of a frequency-modulated continuous wave signal. In one modulation period, each section of the multi-section serial laser independently emits an optical signal of a specific wavelength and keeps continuous wave operation, so as to realize frequency-modulated output of a certain time proportion and jointly form a modulation signal of a complete period. Through the application, the technical problem that the semiconductor optical device in the related art has high complexity and poor stability of an optical detection system due to the need of introducing multiple lasers is solved.

The utility model provides a tunable laser array. The tunable laser array comprises a gain chip array (101), a lens array (102), a wavelength tuning assembly (103), a wavelength locking assembly (104), an isolation assembly (105), an output optical fiber assembly (106), a thermistor (107) and a TEC (108). The gain chip array (101) comprises a plurality of gain chips, emergent light of the gain chips passes through the lens array (102) to form collimated light beams to be output, the collimated light beams are subjected to laser wavelength mode selection through the wavelength tuning assembly (103), then sequentially pass through the wavelength locking assembly (104) and the isolation assembly (105) and are finally coupled to the output optical fiber group 206, and laser output is completed. According to the technical scheme, integration of a plurality of wide-range narrow-linewidth tunable lasers can be achieved, a tunable laser array is formed, and assembling of downstream products is facilitated.

To provide a processing state monitoring device that can improve the accuracy of detecting light from the processing surface during laser processing. [Solution] The processing state monitoring device according to the present disclosure is a device for monitoring the processing state in laser processing, which is performed by irradiating the processing surface of a workpiece with laser light, and comprises at least one photodetector that detects first light that is propagated from a molten region formed around the irradiation spot of the laser light on the processing surface and includes light of a different wavelength from the wavelength of the laser light, and an optical propagation correction element disposed between the processing surface and the at least one photodetector, wherein the optical propagation correction element receives the first light from the molten region and corrects the propagation direction of the first light according to the position of the molten region on the processing surface and emits it to the at least one photodetector.

This invention discloses a phonon-controlled laser de-icing device and method, belonging to the field of laser de-icing technology. The phonon-controlled laser de-icing device includes a phonon-controlled laser generation system and a dynamic scanning system. The phonon-controlled laser generation system generates a de-icing laser located at the absorption peak of ice and satisfying the wavelength requirement of the high-reflectance band of the target equipment's matrix material by controlling the electron-phonon coupling effect of the gain crystal of a solid-state laser. The dynamic scanning system scans the target equipment to obtain the ice layer state and controls the power of the solid-state laser based on the ice layer state. This invention achieves precise matching between the laser wavelength and the water absorption peak through phonon control technology, significantly improving the energy utilization efficiency of de-icing and effectively protecting the surface of the matrix material during the de-icing process, thereby improving the overall efficiency and accuracy of the de-icing operation.

The present application relates to the field of laser technology, in particular to a kind of tunable multi-wavelength hollow laser based on translation-rotation collaborative regulation crystal axicon, the pump beam emitted by fiber-coupled semiconductor laser array is collimated by first convex lens, focused by second convex lens, and focused to laser gain medium by plano-concave mirror;Plano-concave mirror and plane mirror form laser resonator, and negative glass axicon diverges parallel light beam in laser resonator into conical light beam, and emits parallelly after the refraction of positive glass axicon;Through the collaborative regulation of synchronous rotation first crystal axicon / second crystal axicon and moving second crystal axicon, the loss of each laser wavelength in laser resonator is dynamically adjusted, so that the oscillation threshold of multiple wavelength lasers in laser resonator is equal, and then the simultaneous stable operation of multi-wavelength laser is ensured.The present application not only can efficiently realize the synchronous output of multi-wavelength hollow laser, but also can provide flexible dynamic tuning capability between multiple wavelengths for device.

This invention belongs to the field of oil gas detection technology and discloses a non-contact in-situ monitoring method and device for dissolved gases in oil. The in-situ monitoring method includes the following steps: selecting the emission laser wavelength of the excitation light source based on the absorption spectrum of the target gas dissolved in the oil, according to the type of the target gas; filling the oil sample cell (transparent at both ends) with the protective oil for the power equipment to be tested; then, incident the modulated collimated laser into the oil sample cell, and the beam emitted from the oil sample cell irradiates the surface of a tuning fork. The vibration signal of the tuning fork, based on the photothermoelastic effect and resonance enhancement effect, can reflect the change in light intensity caused by the absorption of dissolved gases in the protective oil for the power equipment; by demodulating the vibration signal of the tuning fork and extracting the harmonic signal amplitude, the concentration information of the gas contained in the protective oil for the power equipment to be tested can be obtained. This invention can directly detect the concentration of dissolved gases in oil in situ without degassing and without the detection unit contacting the oil sample.

The utility model provides a kind of laser device and system, it is related to LDI solder mask light source technical field.Laser device includes control module, switching module, multiple laser light source module, power module.Power module is connected with corresponding laser light source module by output channel, and constitutes a laser link;Laser device includes multiple working conditions, for any working condition, control module sends control signal to the control end of switching module, and the laser link corresponding to the preset laser wavelength under current working condition is turned on;Wherein, multiple laser light source module under laser unit is arranged in L shape.Based on this, the present application is integrated multiple different laser wavelength laser unit, and the conduction or truncation of laser link is adjusted according to user demand by control module, simultaneously, it is arranged in L shape by light source device etc., reduce the space layout difficulty and environmental control heat dissipation difficulty of LDI equipment in prior art.

This invention provides a laser wavelength locking device based on waveform feature analysis. The device includes a signal acquisition module, a signal confirmation module, a signal adjustment module, and a laser wavelength locking module. The signal confirmation module is communicatively connected to the signal acquisition module, the signal adjustment module is communicatively connected to the signal confirmation module, and the laser wavelength locking module is communicatively connected to the signal adjustment module. The signal confirmation module is used to identify signal feature points that are laser detection signals and calculate the average index and index change value of the signal feature points. The signal adjustment module is used to adjust the voltage range of the laser driving signal. The laser wavelength locking module is used to use the voltage value corresponding to the target peak sampling point as the upper and lower limit thresholds of the voltage range of the laser driving signal, thereby achieving laser wavelength locking. This invention solves the problems of slow locking response speed and insufficient dynamic adjustment capability in existing technologies.

The application discloses a kind of MOCVD growth's tunnel junction oxide aperture hybrid short wavelength VCSEL and preparation method, it is related to semiconductor optoelectronic technical field, the VCSEL chip is with GaAs as substrate material system, lasing wavelength range is 750nm-1200nm;The VCSEL chip includes substrate, the surface of substrate is deposited with buffer layer, first N type doped DBR, active region, tunnel junction, N type doped oxide confinement layer, second N type doped DBR and ohmic contact layer from bottom to top in sequence using MOCVD process.The application is innovatively replaced P type doped oxide confinement layer with N type doped oxide confinement layer above active region, and N type doped oxide confinement layer is set to above tunnel junction, such design can greatly improve the yield and uniformity of VCSEL mass production, reduce manufacturing difficulty;It can also effectively prevent the migration of crystal defects near oxide aperture to active region, to effectively overcome the defects of prior art, improve the reliability of VCSEL chip.

This invention provides a wavelength locking method, apparatus, electronic device, and storage medium for microring resonators (MRRs). It can be used for joint scanning and locking control of high-Q second-order CROW filters. The locking time is less than 2 milliseconds, and the wavelength locker can operate across the entire C-band. An FPGA is used as the controller. In scanning mode, the wavelength of the CROW filter is scanned, causing the output power of the lower port of the CROW filter to quickly reach near its maximum value. In locking mode, a PID control algorithm adjusts the power applied to the microheater to maximize the output power of the lower port of the CROW filter. This method has excellent scalability and can be easily applied to higher-order MRRs. When the wavelength control loop is enabled, the resonant stability and laser wavelength drift tolerance of the CROW filter can be significantly enhanced.

This invention discloses a plasmon-enhanced carbon nanotube field emission device, its fabrication method, and its applications. The device includes an insulating substrate, a concentric circular metal grating on the substrate, anode and cathode electrodes located in the central region of the grating, and carbon nanotubes bridging the electrodes and forming nanoscale gaps. By designing the grating period to match the incident laser wavelength, surface plasmons can be excited, generating a localized electric field enhancement at the center, thereby significantly reducing the electron tunneling barrier at the carbon nanotube tip and increasing the field emission current. This invention also provides a corresponding fabrication method, including the patterning of the grating and electrodes, the deposition and patterning of the carbon nanotube thin film, and the formation of the nanoscale gaps. This device has a simple structure, effectively avoids thermal damage caused by direct laser radiation, and has application potential in fields such as field emission enhancement, optical signal detection, and optoelectronic modulation.

The application provides a multifunctional reconfigurable hybrid integrated laser, comprising: a gain chip 1 and a silicon-based chip 2; the gain chip 1 and the silicon-based chip 2 are hybrid integrated through edge coupling; the gain chip 1 is used as an optical gain unit to output wide-spectrum spontaneous emission light; and the silicon-based chip 2 is used as a filtering and tuning unit to construct a laser resonant cavity to realize laser output and laser wavelength tuning. The application is integrated as a whole into a hybrid integrated module, multifunctional reconfiguration of output laser is realized, and the application can be applied to different application scenarios such as wavelength division multiplexing and laser radar.