Narrow Line-width DFB Butterfly Diode

The high quality pump laser diode with butterfly package can meet high power of optical transmitter system. Also, the built-in thermo-electric cooler (TEC) can make the laser diode work properly in various environments.


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Features:

Multi-Quantum Well (MQW) Distributed Feedback (DFB) lasers
Butterfly package
Built-in thermistor, and TEC
Operating Temperature –20~ +70℃
Single-mode/PM fiber pigtail.

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Parameter	Symbol	Min	Typ	Max	Unit	Test Conditions
Optical Output Power	P_o	--	--	60	mW	CW，
Threshold Current	I_th	--	15	25	mA	T=25 °C
Forward Voltage	V_F	--	1.5	3	V
Operating Current	I_op	--	--	400	mA	CW, T=25 °C
Center Wavelength	lλc	λc-5	λc	λc+5	nm	CW, T=25 °C
Side-mode Suppression Ratio	SMSR	35	40	--	dB	Iop=30mA
Optical Isolation (Optional)		35	--	--	dB
Laser line width	ΔλL	--	--	10	MHz	CW, T=25 °C
Spectral Width (-20 dB)	Δλ	--	0.1	1.0	nm
Wavelength temperature coefficient	△λ/△T		0.08	0.12	nm/°C
Monitor Current	I_mon	50	--	1500	μA	V_R=5 V,
Thermistor Resistance	RT	9.5	10.0	10.5	KΩ	T=25 °C
Thermistor B-Value		--	3950	--	K	25℃/85℃
Polarization extinction ratio（optional）	PER	17	-	-	dB	Slow axis alignment

Parameter	Symbol	Min	Typ	Max	Unit	Test Conditions
Optical Output Power	P_o	--	--	60	mW	CW，
Threshold Current	I_th	--	15	25	mA	T=25 °C
Forward Voltage	V_F	--	1.5	3	V
Operating Current	I_op	--	--	400	mA	CW, T=25 °C
Center Wavelength	lλc	λc-5	λc	λc+5	nm	CW, T=25 °C
Side-mode Suppression Ratio	SMSR	35	40	--	dB	Iop=30mA
Optical Isolation (Optional)		35	--	--	dB
Laser line width	ΔλL	--	--	10	MHz	CW, T=25 °C
Spectral Width (-20 dB)	Δλ	--	0.1	1.0	nm
Wavelength temperature coefficient	△λ/△T		0.08	0.12	nm/°C
Monitor Current	I_mon	50	--	1500	μA	V_R=5 V,
Thermistor Resistance	RT	9.5	10.0	10.5	KΩ	T=25 °C
Thermistor B-Value		--	3950	--	K	25℃/85℃
Polarization extinction ratio（optional）	PER	17	-	-	dB	Slow axis alignment

Narrow Line-width DFB Butterfly Diode

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