Duggan
DoGain
A world-leading IDM in compound semiconductor laser chips – core strength: design and fabrication of high-end laser chips.
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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
915/976nm Industrial Fiber Laser Pump Module Series
915/976nm Dual-wavelength Fiber Coupled Module
915/976nm Industrial Fiber Laser Pump Module Series
915/976nm Industrial Fiber Laser Pump Module
Applications
Optical Communication
- Optical Communication
- Data Center
- 5G Communication
- AI
- Vehicle Optical Communication
Industrial Processing
- Laser Cutting
- Laser Cladding
- Laser Cleaning
- Laser Welding
- Laser Punching
- 3D Printing
- Laser Weeding
Intelligent Sensing
- Consumer Electronics
- Intelligent Driving
- Industrial Measurement
- 3D Perception
- LiDAR
- Laser Obstacle Avoidance
News
Company News
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2026.09.02
Major Upgrade: New‑Generation Ultra‑High‑Efficiency 915/975 nm Single‑Emitter Chips Inject Core Momentum into Laser Pumping
Company News
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2026.08.10
Empowering High-Speed AI Data Communications! DoGian Rolls Out Mass Production of CWDM4 100mW High-Power CW DFB Chips and COC Devices
Company News
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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.
