Dogain Optoelectronic Technology (Suzhou) Co., Ltd Dogain Optoelectronic Technology (Suzhou) Co., Ltd
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Dogain Optoelectronic Technology (Suzhou) Co., Ltd
Building 32, Nano City, No. 99 Jinji Lake Avenue, Suzhou Industrial Park
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Dogain Optoelectronic Technology (Suzhou) Co., Ltd
Products
High Power Semiconductor Diode Laser Chip
High Power Semiconductor Diode Laser Chip
Chip Products
Chip Products
Chip Products
InP Multimode FP Chips and Devices
Bar Products
Bar Products
Bar Products
Optical Communication Chips
Optical Communication Chips
InP High-power DFB Chips and Devices
InP High-power DFB Chips and Devices
InP Single-mode Gain Chips and Devices
InP Single-mode Gain Chips and Devices
InP Single-mode SLD Chips and Devices
InP Single-mode SLD Chips and Devices
InP Single-mode FP Chips and Devices
InP Single-mode FP Chips and Devices
InP SOA Chips and Devices
InP SOA Chips and Devices
InP EML Chip
InP EML Chip
Communication PD Chip
Communication PD Chip
In-vehicle Communication PD Chip
In-vehicle Communication PD Chip
In-vehicle Communication VCSEL Chip
In-vehicle Communication VCSEL Chip
Communication VCSEL Chip
Communication VCSEL Chip
Single-mode Fiber Coupling Module
Single-mode Fiber Coupling Module
14PIN HS Series
14PIN HS Series
10PIN HM Series
10PIN HM Series
10PIN HMD Series
10PIN HMD Series
3PIN HD Series
3PIN HD Series
Semiconductor Laser Stacked Array Module
Semiconductor Laser Stacked Array Module
Macro-channel Semiconductor Laser
Macro-channel Semiconductor Laser
Micro-channel Semiconductor Laser
Micro-channel Semiconductor Laser
Conduction-cooled Semiconductor Laser
Conduction-cooled Semiconductor Laser
Side Pumping Module
Side Pumping Module
Muti-mode Fiber Coupling Module
Muti-mode Fiber Coupling Module
915/976nm Industrial Fiber Laser Pump Module Series
915/976nm Industrial Fiber Laser Pump Module Series
915/976nm Industrial Fiber Laser Pump Module
915/976nm Dual-wavelength Fiber Coupled Module
Wave-locking Pump Module Series
Wave-locking Pump Module Series
Wave-locking Pump Module Series
Lightweight Pump Module Series
Lightweight Pump Module Series
Lightweight Pump Module Series
Other Fiber Coupling Module Series
Other Fiber Coupling Module Series
Other Fiber Coupling Module Series
VCSEL
VCSEL
VCSEL Chip
VCSEL Chip
Single-mode Polarized VCSEL Chip
Single-junction multimode VCSEL Single-hole Chip
Single-junction Multimode VCSEL Array Chip
Multi-junction Multimode VCSEL Single-hole Chip
Multi-junction Multimode VCSEL Array Chip
VCSEL Module
VCSEL Module
TO Packaging Series
SMD Package Series
Optical Shaping Device
Surface Light Source Module
Surface Light Source Module
Surface Light Source Module
Semiconductor Laser System
Semiconductor Laser System
Laser Plastic Welding Light Source
Laser Plastic Welding Light Source
Laser Plastic Welding Light Source
Laser Edge Banding Light Source
Laser Edge Banding Light Source
Laser Edge Banding Light Source
Laser Heating Light Source
Laser Heating Light Source
Laser Heating Light Source
Laser Weeding Light Source
Laser Weeding Light Source
Laser Weeding Light Source
Research Application Light Source
Research Application Light Source
Research Application Light Source
Laser Heating Products
Laser Heating Products
Medium to High Power Density Heating Devices
Low-power Sealed Laser Heating Module Series
Submount
Submount
High-power Submount
High-power Submount
Communication Submount
Communication Submount
TO Submount
TO Submount
Applications
Optical Communication
Industrial Processing
Intelligent Sensing
Controlled Nuclear Fusion
Aerospace
Quantum Computing
Medical
Technology
Core Technology
Patents
Technical Articles
News
Company News
Exhibition Information
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EN CN
Site Group
Dogain HK
Dogain Skyeralaser

Duggan

DoGain
DoGain DoGain
DoGain
A world-leading IDM in compound semiconductor laser chips – core strength: design and fabrication of high-end laser chips.
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2017
Founded in
500 +
Authorized patents
70000 + ㎡
Chip and device packaging hardware platform
80 +
Honors

Products

High Power Semiconductor Diode Laser Chip
Optical Communication Chips
Single-mode Fiber Coupling Module
VCSEL
Muti-mode Fiber Coupling Module
Semiconductor Laser Stacked Array Module
Semiconductor Laser System
Submount
Chip Products
InP Multimode FP Chips and Devices
Learn More
InP Multimode FP Chips and Devices
Chip Products
Chip Products
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Chip Products
Bar Products
Bar Products
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Bar Products
View Series Products
View Series Products
Optical Communication Chips
InP High-power DFB Chips and Devices
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InP High-power DFB Chips and Devices
Optical Communication Chips
InP SOA Chips and Devices
Learn More
InP SOA Chips and Devices
Optical Communication Chips
InP Single-mode Gain Chips and Devices
Learn More
InP Single-mode Gain Chips and Devices
Optical Communication Chips
InP Single-mode SLD Chips and Devices
Learn More
InP Single-mode SLD Chips and Devices
Optical Communication Chips
InP Single-mode FP Chips and Devices
Learn More
InP Single-mode FP Chips and Devices
Optical Communication Chips
Communication PD Chip
Learn More
Communication PD Chip
Optical Communication Chips
In-vehicle Communication VCSEL Chip
Learn More
In-vehicle Communication VCSEL Chip
Optical Communication Chips
In-vehicle Communication PD Chip
Learn More
In-vehicle Communication PD Chip
Optical Communication Chips
Communication VCSEL Chip
Learn More
Communication VCSEL Chip
Optical Communication Chips
Inp EML Chip
Learn More
Inp EML Chip
View Series Products
View Series Products
Single-mode Fiber Coupling Module
3PIN HD Series
Learn More
3PIN HD Series
Single-mode Fiber Coupling Module
10PIN HMD Series
Learn More
10PIN HMD Series
Single-mode Fiber Coupling Module
10PIN HM Series
Learn More
10PIN HM Series
Single-mode Fiber Coupling Module
14PIN HS Series
Learn More
14PIN HS Series
View Series Products
View Series Products
VCSEL Module
SMD Package Series
Learn More
SMD Package Series
VCSEL Module
TO Packaging Series
Learn More
TO Packaging Series
VCSEL Module
Optical Shaping Device
Learn More
Optical Shaping Device
VCSEL Chip
Single-mode Polarized VCSEL Chip
Learn More
Single-mode Polarized VCSEL Chip
VCSEL Chip
Multi-junction Multimode VCSEL Single-hole Chip
Learn More
Multi-junction Multimode VCSEL Single-hole Chip
VCSEL Chip
Single-junction Multimode VCSEL Array Chip
Learn More
Single-junction Multimode VCSEL Array Chip
VCSEL Chip
Multi-junction Multimode VCSEL Array Chip
Learn More
Multi-junction Multimode VCSEL Array Chip
VCSEL Chip
Single-junction multimode VCSEL Single-hole Chip
Learn More
Single-junction multimode VCSEL Single-hole Chip
Surface Light Source Module
Surface Light Source Module
Learn More
Surface Light Source Module
View Series Products
View Series Products
915/976nm Industrial Fiber Laser Pump Module Series
915/976nm Dual-wavelength Fiber Coupled Module
Learn More
915/976nm Dual-wavelength Fiber Coupled Module
Other Fiber Coupling Module Series
Other Fiber Coupling Module Series
Learn More
Other Fiber Coupling Module Series
Lightweight Pump Module Series
Lightweight Pump Module Series
Learn More
Lightweight Pump Module Series
915/976nm Industrial Fiber Laser Pump Module Series
915/976nm Industrial Fiber Laser Pump Module
Learn More
915/976nm Industrial Fiber Laser Pump Module
Wave-locking Pump Module Series
Wave-locking Pump Module Series
Learn More
Wave-locking Pump Module Series
View Series Products
View Series Products
Semiconductor Laser Stacked Array Module
Conduction-cooled Semiconductor Laser
Learn More
Conduction-cooled Semiconductor Laser
Semiconductor Laser Stacked Array Module
Macro-channel Semiconductor Laser
Learn More
Macro-channel Semiconductor Laser
Semiconductor Laser Stacked Array Module
Side Pumping Module
Learn More
Side Pumping Module
Semiconductor Laser Stacked Array Module
Micro-channel Semiconductor Laser
Learn More
Micro-channel Semiconductor Laser
View Series Products
View Series Products
Research Application Light Source
Research Application Light Source
Learn More
Research Application Light Source
Laser Weeding Light Source
Laser Weeding Light Source
Learn More
Laser Weeding Light Source
Laser Heating Light Source
Laser Heating Light Source
Learn More
Laser Heating Light Source
Laser Edge Banding Light Source
Laser Edge Banding Light Source
Learn More
Laser Edge Banding Light Source
Laser Heating Products
Low-power Sealed Laser Heating Module Series
Learn More
Low-power Sealed Laser Heating Module Series
Laser Plastic Welding Light Source
Laser Plastic Welding Light Source
Learn More
Laser Plastic Welding Light Source
Laser Heating Products
Medium to High Power Density Heating Devices
Learn More
Medium to High Power Density Heating Devices
View Series Products
View Series Products
Submount
High-power Submount
Learn More
High-power Submount
Submount
Communication Submount
Learn More
Communication Submount
Submount
TO Submount
Learn More
TO Submount
View Series Products
View Series Products

Applications

Optical Communication Optical Communication
Optical Communication
  • Optical Communication
  • Data Center
  • 5G Communication
  • AI
  • Vehicle Optical Communication
Learn More
Industrial Processing Industrial Processing
Industrial Processing
  • Laser Cutting
  • Laser Cladding
  • Laser Cleaning
  • Laser Welding
  • Laser Punching
  • 3D Printing
  • Laser Weeding
Learn More
Intelligent Sensing Intelligent Sensing
Intelligent Sensing
  • Consumer Electronics
  • Intelligent Driving
  • Industrial Measurement
  • 3D Perception
  • LiDAR
  • Laser Obstacle Avoidance
Learn More
Controlled Nuclear Fusion Controlled Nuclear Fusion
Controlled Nuclear Fusion
  • Controlled Nuclear Fusion
Learn More
Aerospace Aerospace
Aerospace
  • Aerospace
Learn More
Quantum Computing Quantum Computing
Quantum Computing
  • Quantum Computing
Learn More
Medical Medical
Medical
  • Laser Diagnosis
  • Laser Treatment
  • Laser Cosmetology
Learn More

News

Breaking News! The Key Laboratory of Quantum Precision Measurement Integrated Light Source Technology (Under Preparation), led by DoGain, has been approved for construction in Jiangsu Province.
Company News | 2026.07.14
Breaking News! The Key Laboratory of Quantum Precision Measurement Integrated Light Source Technology (Under Preparation), led by DoGain, has been approved for construction in Jiangsu Province.
DoGain Selected as One of Suzhou’s Top 10 Industrial Scientific and Technological Achievements of 2026
Company News | 2026.07.13
DoGain Selected as One of Suzhou’s Top 10 Industrial Scientific and Technological Achievements of 2026
DoGain Honored with CFCF2026 Annual Innovative Product Award
Company News | 2026.06.30
DoGain Honored with CFCF2026 Annual Innovative Product Award
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