DATA SHEET

The information in this document is subject to change without notice.

©

1997

Document No. P13642EJ3V0DS00 (3rd edition)

Date Published November 1998 NS CP(K)

Printed in Japan

CW LIGHT SOURCE

InGaAsP STRAINED MQW-DFB LASER DIODE MODULE

FOR D-WDM APPLICATIONS

LASER DIODE

NX8563LB Series

The mark

•

•

•

• shows major revised points.

DESCRIPTION

The NX8563LB Series is a 1 550 nm laser diode with Polarization Maintain Fiber (PMF).

This device is designed as CW light source and ideal for D-WDM transmission systems in which external

modulators are used.

FEATURES

• Output power

• Wavelength availability

• Internal thermo-electric cooler and isolator

• Hermetically sealed 14-pin butterfly package

• Polarization maintain fiber pigtail

Pin No.

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

29.97±0.25

Optical Fiber (PMF)

Length: 1 m MIN.

TOP VIEW

PD

L

+

–

R

LD

#8

#14

#7

#1

Cooler

Thermistor

Function

Function

Thermistor

Thermistor

Bias

PD Anode

PD Cathode

Cooler Anode

Cooler Cathode

GND

GND

GND

GND, LD Anode

Signal Input

GND

GND

PACKAGE DIMENSIONS

in millimeters

PIN CONNECTIONS

20.83±0.13

26.04±0.13

7

8

1

14

15.24

22.3

2.54

0.5

4– 2.67

φ