seed laser pro

1.5 μm Ultra-Low Noise Seed Source

The 1.5 μm ultra-low noise seed source features completely independent intellectual property rights and performance reaching an internationally leading level. It adopts an innovative combined optical and optoelectronic feedback noise suppression scheme, achieving intensity noise lower than −138 dB/Hz in the 1 MHz–100 MHz frequency range, and power stability better than 0.5% over 30 minutes.

Product Features

Ultra-Low Intensity Noise
Excellent Power Stability
Completely Independent Intellectual Property Rights

Typical Applications

Quantum Communication
Distributed Fiber Sensing
Coherent Optical Measurement

Technical ParameterUnitTechnical Specification
MinTypicalMax
Central Wavelengthnm 1550 
Laser Mode/ Single Longitudinal Mode, Continuous Wave 
Output PowermW 2030
LinewidthkHz0.7510
Optical Signal-to-Noise RatiodB55
Output Power Stability (P-P)%<0.5
Output Power Adjustment%1–100
Operating Temperature°C−10 45
Polarization Type/Linear Polarization
Polarization Extinction RatiodB202123
Operating VoltageVDC12
Output Fiber Type/PM1550
Power ConsumptionW15
Output Fiber Connector/FC/APC
Relative Intensity NoisedB/Hz< −138 @ 1 MHz – 10 GHz
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