PRELIMINARY DATA SHEET
LASER DIODE
NX8570 Series
1 550 nm CW LIGHT SOURCE
InGaAsP MQW-DFB LASER DIODE MODULE
WITH WAVELENGTH MONITOR
DESCRIPTION
The NX8570 Series is a 1 550 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser
diode module with wavelength monitor function.
This device is designed as CW light source and ideal for transmission systems in which external modulators are
used.
FEATURES
鈥?Wavelength monitor function (Etalon Filter, Wavelength monitor PD)
鈥?Output power
P
f
= 20 mW MIN.
鈥?Available for DWDM wavelengths based on ITU-T recommendations (50 GHz grid)
鈥?4 chanel wavelength tunable capability for 50 GHz-spacing (NX8570S脳脳脳脳D)
鈥?Internal thermo-electric cooler and isolator
鈥?Hermetically sealed 14-pin butterfly package
鈥?Polarization maintain fiber pigtail
The information in this document is subject to change without notice. Before using this document, please confirm that
this is the latest version.
Not all devices/types available in every country. Please check with local NEC Compound Semiconductor Devices
representative for availability and additional information.
Document No. PL10135EJ01V0DS (1st edition)
Date Published April 2002 CP(K)
Printed in Japan
漏
NEC Compound Semiconductor Devices 2002