WDM Combo Double Laser BOSA Manufacturer

WDM Combo Double Laser BOSA

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The WDM combo BOSA double laser features a bidirectional transmission which is ideal for use in light source detection, OTDR systems, and other analog transmission systems. We use FP, DFP, and CWDM bidirectional lasers according to customer requirements. This laser features a low noise and high isolation with an output power range of 1 to 4mw.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Type.	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	-	80	℃

Electrical and optical characteristics

Parameter	Symbol	Min	Typical	Max	Unit	Notes
1310nm FP Laser
Output Power	Po	1	2		mW	CW,If=Ith 20mA
Slope Efficiency	SE	0.05			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=5V, If=Ith 20mA
Monitor Dark Current	Id		0.5	1	nA	Vrd=5V
Cent Wavelength	λc	1300	1310	1320	nm	CW, If=Ith 20mA
Spectral Width	Δλ			4	nm	-3dB
Spectral Shift	Δλ/ΔT			0.1	nm/℃	CW, If=Ith 20mA
Tracking Error	TE	-1.5		1.5	dB	Im=const, TE=10log(P/2.0)
Return loss	ER	40	45		dB	CW
Isolation	ISO	30	35		dB	Single Stage
1490nm DFB Laser
Output Power	Po	1	2		mW	CW,If=Ith 20mA
Slope Efficiency	SE	0.05			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=5V, If=Ith 20mA
Monitor Dark Current	Id		0.5	1	nA	Vrd=5V
Cent Wavelength	λc	1480	1490	1550	nm	CW, If=Ith 20mA
Spectral Width	Δλ		0.2	1	nm	-20dB
Side-Mode Suppression Ratio	SMSR	35			dB	Po=2mW,
Spectral Shift	Δλ/ΔT			0.1	nm/℃	CW, If=Ith 20mA
Tracking Error	TE	-1.5		1.5	dB	Im=const, TE=10log(P/2.0)
Return loss	ER	40	45		dB	CW
Isolation	ISO	30	35		dB	Single Stage
1550nm FP Laser
Output Power	Po	1	2		mW	CW,If=Ith 20mA
Slope Efficiency	SE	0.05			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=5V, If=Ith 20mA
Monitor Dark Current	Id		0.5	1	nA	Vrd=5V
Cent Wavelength	λc	1540	1550	1560	nm	CW, If=Ith 20mA
Spectral Width	Δλ			4	nm	-3dB
Spectral Shift	Δλ/ΔT			0.1	nm/℃	CW, If=Ith 20mA
Tracking Error	TE	-1.5		1.5	dB	Im=const, TE=10log(P/2.0)
Return loss	ER	40	45		dB	CW
Isolation	ISO	30	35		dB	Single Stage