1550nm 5mW/10mW/20mW DFB Laser Diode 14-Pin Butterfly SM/PM Fiber Laser

1550nm 5mW/10mW/20mW DFB Laser Diode 14-Pin Butterfly SM/PM Fiber Laser

The DFB laser diodes are offered at customer-specified wavelengths across the 1550nm C-Band ITU grid. It is offered in a hermetically sealed 14 pin butterfly package and include a thermoelectric cooler (TEC), thermistor, monitor PD and optical isolator.
It comes in a 14-pin butterfly package with an industry-standard type pin configuration and SMF28 Fiber or PM fiber, FC/APC Connector.

[Features]
1. Power and spectral stability
2. Special line width
3. 14-Pin butterfly package
4. SM or PM fiber output
5. Wavelength, power can be customized

[Appliciations]
1. Fiber sensing
2. Helium fiber laser
3. Nonlinear fiber optics
4. DWDM optical fiber communication system

Electrical Character

Parameter	Symbol	Test Condition	Min	Typ.	Max	Unit
Peak Optical Output Power	Pp		10			mW
Threshold Current	Ith	CW		14	25	mA
Driving Current		Po=10mW	60	70	100	mA
Laser Forward Voltage	Vlf	Po=10mW		1.1	2.0	V
Laser Operating Temperature	Tld		15		35	℃
Monitor Reverse Voltage	VRMON		3	5	10	V
Monitor Current	IRMON	Po=10mW	0.1		2	mA
Monitor Dark Current	ID	IF=0mA,VRMON=5V		0.01	0.1	µA
Input Resistance	ZIN			25		Ω
Thermistor Current	ITC		10		100	µA
Thermistor Resistance	RTH	TL =25℃	9.5		10.5	kΩ
TEC Current	ITEC	TL =25℃, Taround =70℃		0.8	1.5	A
TEC Voltage	VTEC	TL =25℃, Taround =70℃		1.5	3.5	V

Fiber & Connector

Parameter	Symbol	Description	Min	Typ.	Max	Unit
Pigtail Length	L	SM or PM Fiber	1.0			m
Connector Type		FC/APC

Optical Character(LD chip @25℃)

Parameter	Symbol	Test Conditions	Min	Typ.	Max	Unit
Center Wavelength	λC	TL=15～35℃ CW 10mW	1549.92	1550.12	1550.32	nm
Linewidth	LW	CW 10mW		3		MHz
Bandwidth（@-3dB）	BW	CW 10mW		2.5		GHz
Relative Intensity Noise	RIN	10mW,50MHz-5GHz		-140		dB/Hz
Side-mode Suppression Ratio	SMSR	CW 10mW	35	40		dB
Polarization Extinction Ratio	ER		20			dB
Optical Isolation		0℃～70℃	30			dB
Wavelength Drift		25 years			±0.1	nm
Temperature Coefficient	dλ/dT	15℃～48℃		0.09		nm/℃
Dynamic Spectral Width	△λ	2.5GHz, @-20dB		0.22		nm