1560.61nm 200KHz Single-mode fiber-coupled narrow-linewidth butterfly laser
The narrow-linewidth LD directly modulated external-cavity laser provides a cost-effective solution for 2.5Gbit/s digital transmission over SMF-28 fiber. Its hermetic 14-pin butterfly package includes a thermoelectric cooler (TEC), thermistor, monitor photodiode and optical isolator. Compared with directly modulated DFB lasers, the narrow-linewidth LD has lower dispersion penalty and chirp. Wavelength stability is ensured by design, eliminating wavelength lockers and complex feedback controls.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength λc [TL=17～35℃ CW] | min:1559.11 nm；typical:1560.61 nm；max:1561.11 nm |
| Output Power P_O | min:5 mW |
| Spectral linewidth LW | typical:200 KHz；max:300 KHz |
| Side Mode Suppression Ratio SMSR [CW] | min:30 dB；typical:40 dB |
| Optical isolation [-10 < TC < +70 ºC] | min:30 dB |
| Relative noise intensity RIN [CW, Output Power 5mW] | max:-135 dB |
| Wavelength drift at temperatures from -10 to 70℃ △λ [TEC Temperature 15℃-35℃ / 70℃] | max:±30 pm |
| Wavelength Temperature Coefficient Δλ/ΔT [TEC Temperature 15℃-35℃] | typical:15 pm/ºC；max:30 pm/ºC |
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Key Features
Datasheet
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