1650 nm DFB Laser Diode Butterfly

Low threshold current
Stable single longitudinal mode emission
TEC and thermistor inside
Low noise
Low-cost Butterfly Laser package

Default Specs: (Some of them can be customized according to customers requirements)

Parameters Min. Typ. Max. Unit
Ambient Operating Temperature -20 – 70 ℃
Laser Operating Temperature – 25 – ℃
Store Temperature -40 – 85 ℃
Threshold current (Ith) 8 10 mA
Operate current(Ith+20mA) 28 30 mA
Output power(Ith+20mA) 1.8 2 2.5 mW
Slope efficiency – 0.1 – mA
Center wavelength λ-3nm λ λ+3nm nm
Side Mode suppression ration 35 40 – dB
Optical Isolation 25 – – dB
Power Monitor Current 100 300 1000 μA
Power Monitor Dark Current – – 10 nA
TEC Current – 0.5 0.9 A
TEC Voltage – – 1.2 V
Thermistor B constant – 4050 – K
Thermistor Resistance @25C 9.5 10 10.5 kΩ