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Pumping Laser

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DKR Co., Ltd.

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Applications

Pump Source for Er-Doped Fiber Amplifier
- C- and/or L-Band EDFA
- Single Channel Amplifier to DWDM Amplifier
Pump Source for Raman Amplifier

Description

The FOL1402P series has been designed for use in a wide variety of optical amplifier, such as EDFA or Raman Amplifier used in optical transmission systems, especially in dense wavelength-division-multiplexing (DWDM) systems.
A strained multi-quantum well laser diode chip is integrated with thermo-electric cooler (TEC), thermistor and PIN photodiode in a hermetically sealed 14 pin butterfly package.
A 2-lens-system couples a round shape light from the laser chip efficiently to the fiber and enables the output power up to 200 mW.
This laser module complies with telecom requirements described in Telcordia?GR-468 requirement and manufactured in an ISO?001 certified production line.

Features

Rated output power up to 200 mW (CW)
Widely deployed reliable package design with industry compatible 14 pin butterfly footprint
Internal Thermo-electric cooler (TEC) and Thermistor for stable operation
Integrated PIN photodiode for back facet monitor
Internal optical Isolator (optional)
Single mode fiber and Polarization maintaining fiber pigtail
Wavelength stabilization available with external FBG (optional)
Epoxy free design inside the module for long term reliability

Absolute Maximum Ratings

Parameters	Symbol	Min	Max	Unit
Storage Temperature	Tstg	-40	85	°C
Operating Case Temperature	Tc	-20	75^*1)	°C
LD Forward Current	If	-	1000	mA
LD Reverse Voltage	Vr	-	2	V
PD Forward Current	I_fPD	-	5	mA
PD Reverse Voltage	V_rPD	-	20	V
TEC Current	Ic	-0.6	2	A
TEC Voltage	Vc	-	4.5	V

Optical and Electrical Specifications

Parameters	Symbol	Min	Typ	Max	Unit	Conditions
Output Power	Pf^*2)				mW>
FOL1402PJX		120	-	-		IfBOL=<500mA, Max T=50°C
FOL1402PJY		130	-	-		IfBOL=<500mA, Max T=50°C
FOL1402PLZ		140	-	-		IfBOL=<600mA, Max T=50°C
FOL1402PLE		150	-	-
FOL1402PLF		160	-	-
FOL1402PMG		170	-	-		IfBOL=<700mA, Max T=50°C
FOL1402PMH		180	-	-
FOL1402PMI		190	-	-
FOL1402PNJ		200	-	-		IfBOL=<800mA Max T=45°C
Center Wavelength(FP)	_c	1460	-	1490	nm	RMS(-20dB), Rated Power
Center Wavelength(FBG)	_c^*3)	_c-1.5	_c	_c+1.5	nm	RMS(-20dB), Rated Power
Spectral Width(FP)		-	-	8	nm	RMS(-20dB), Rated Power
Spectral Width(FBG)		-	-	3	nm	RMS(-20dB), Rated Power
LD Operating Forward Voltage	Vf	-	-	2.5	V	Rated Power
LD Forward Current at EOL	IfEOL	-	-	1.2 x IfBOL	mA	End of Life
Monitor Current	Im	50	-	1000	μA	V_rPD=5V, Rated Power
Monitor Dark Current	Id	-	-	100	nA	V_rPD=5V
Extinction Ratio	Re	16	-	-	dB	Type4 and Type6
Isolation	Iso	30	-	-	dB	Type3 and Type4
TEC Spec.	-	Refer to below			-	-
Thermistor Resistance	Rth	9.5	10	10.5	k	Ts=25°C
Thermistor B Constant	Bth	-	3900	-	K	Ts=25°C

Thermo-Electric Cooler Characteristic & Power Consumption

Dimensions & Pin Assignment

Pin No.	Function	Pin No.	Function
1	Cooler(+)	8	No Connection
2	Thermistor	9	No Connection
3	PD Anode(-)	10	LD Anode(+)
4	PD Cathode(+)	11	LD Cathode(-)
5	Thermistor	12	No Connection
6	No Connection	13	Case Ground
7	No Connection	14	Cooler(-)