WDM Laser Optical Module

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This WDM laser optical module is composed of a passive device and active device, and features a high isolation, a high linearity, and low noise levels. Transmission is a bidirectional transmission, which is widely used in OTDR, analog transmission systems and more. We will customize different product lengths and joints according to customer needs.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical.	Max.	Unit
Reverse Voltage(LD)	Vrl	-	-	2	V
Forward Current (LD)	LfL	-	-	150	mA
Reverse Voltage (monitor)	Vrl	-	-	15	V
Reverse Current (monitor)	Lrp	-	-	2	mA
Soldering Temperature(< 10sec.)	Stemp	-	-	260	℃
Storage Temperature	Tstg	-40	-	85	℃
Operating Temperature	Top	-20	-	85	℃

Electrical and optical characteristics

Parameter	Symbol	Min	Typical	Max	Unit	Notes
1310nm FP Laser
Output Power	Po	3	4		mW	CW,If=Ith 20mA
Slope Efficiency	SE	0.15	0.20		mW/mA
Threshold Current	Ith		10	15	mA	CW
Operating Current	If		30	40	mA	CW
Operating Voltage	Vf		1.2	1.5	V	CW
Monitor Current	Im	100		900	uA	Vrd=2V, If=Ith 20mA
Monitor Dark Current	Id		0.5	1	nA	Vrd=5V
Cent Wavelength	λc	1290	1310	1330	nm	CW, If=Ith 20mA
Spectral Width(RMS)	Δλ			4	nm	-3dB
Spectral Shift	Δλ/ΔT			0.2	nm/℃	CW, If=Ith 20mA
Bandwidth	-		2.5		GHz
1550nm FP Laser
Output Power	Po	3			mW	CW,If=Ith 20mA
Slope Efficiency	SE	0.15			mW/mA
Threshold Current	Ith		10	15	mA	CW
Operating Current	If		30	40	mA	CW
Operating Voltage	Vf		1.2	1.5	V	CW
Monitor Current	Im	100		900	uA	Vrd=2V, If=Ith 20mA
Monitor Dark Current	Id		0.5	1	nA	Vrd=5V
Cent Wavelength	λc	1530	1550	1570	nm	CW, If=Ith 20mA
Spectral Width(RMS)	Δλ			4	nm	-3dB
Spectral Shift	Δλ/ΔT			0.2	nm/℃	CW, If=Ith 20mA
Bandwidth	-		2.5		GHz