7XXnm Narrow-Linewidth Laser
Dingxin Optoelectronics offers a narrow-linewidth laser chip with a center wavelength of 7XXnm. At 25℃ and 400mA, maximum optical output exceeds 70mW, with intrinsic linewidth about 1MHz. A surface grating selects the mode, providing high power while reducing process complexity.
Specification Snapshot
Operating Temperature
typical:25 °C
Threshold Current Ith [CW 25°C]
typical:50 mA
Forward Voltage VF [25°C]
typical:2 V; max:2.5 V
Side-mode Suppression Ratio SMSR [If=400 mA Tc=-25°C]
min:30 dB; typical:35 dB
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Overview
Dingxin Optoelectronics offers a narrow-linewidth laser chip with a center wavelength of 7XXnm. At 25℃ and 400mA, maximum optical output exceeds 70mW, with intrinsic linewidth about 1MHz. A surface grating selects the mode, providing high power while reducing process complexity.
Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | typical:25 °C |
| Threshold Current Ith [CW 25°C] | typical:50 mA |
| Optical Output Power [25°C] | min:30 mW; typical:40 mW |
| Slope Efficiency SE [25°C] | typical:0.12 mW/mA |
| Forward Voltage VF [25°C] | typical:2 V; max:2.5 V |
| Series Resistance Rs | typical:1.5 Ω |
| Line width Δλ [If= 400 mA] | max:10 MHz |
| Side-mode Suppression Ratio SMSR [If=400 mA Tc=-25°C] | min:30 dB; typical:35 dB |
| Far-field Angle (FWHM) θ// [If=400 mA, 25°C] | typical:25 Deg |
| Far-field Angle (FWHM) θ⊥ [If=400 mA, 25°C] | typical:30 Deg |
Applications
Sensing
Key Features
High Power High Wall-Plug Efficiency Low Threshold Narrow Line Width
Datasheet
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Supplier Information
Suzhou Dingxin Optoelectronic Technology Co., Ltd. is dedicated to the R&D and manufacturing of high-performance integrated optical chips. It possesses an industry-leading compound semiconductor process line supporting 3/4/6-inch wafer mass production, with capabilities covering chip design, crystal material growth, wafer fabrication, testing and packaging, providing one-stop solutions from wafer to device. Adopting an IDM model, the company enforces strict reliability standards. Its product portfolio includes EML, communication DFB, silicon photonics DFB, sensing, narrow linewidth laser chips, etc., applied in telecom, datacom, LiDAR, methane detection, and offers customized design and foundry services.
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