A1112

Features:

 High fiber-coupled power, 30 mW and 40 mW
 Narrow linewidth, <3 MHz
 Low relative intensity noise, < 162 dB/Hz
 Coupled to polarization-preserving (PANDA-type fiber)


Application

 Externally modulated CATV transmitters
 Externally modulated analog and digital communi- cation links


Specifications

Parameter	Symbol	Min	Max	Unit
Operating Case Temperature Range	TC	20	65	°C
Storage Temperature Range	Tstg	40	70	°C
Forward Current (Laser) A1112PB, A1112NB A1112PC, A1112NC	IF		275 400	mA mA
Reverse Voltage (Laser)	VR		2.0	V
Photodiode Reverse Voltage	VRPD		1.0	V
TEC Voltage	VTEC		2.0	V
TEC Current Cooling Heating	ITEC		1.8 1.5	A A

Description

The A1112 1550 nm DFB laser modules are high- power devices in a 14-pin butterfly package with a  thermoelectric cooler and monitor photodiode. The  lasers are designed to be used in conjunction with  commercially available external modulators for high- performance analog and digital applications. Agere  Systems Inc. A1112 offers modules with 30 mW or 40 mW  output power coupled into polarization-preserving  fiber. The A1112 operates with positive or negative  bias.