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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 temperature tunable over 4 × 50 GHz

channels. Available at both C-band (1 530.334 to 1 565.087 nm) and L-band

(1 565.496 to 1 608.760 nm) ITU-T grid wavelengths.

This device is designed as CW light source and ideal for transmission

systems in which external modulators are used.

FEATURES

? Wavelength monitor function (Etalon Filter, Wavelength monitor PD)

? Optical output power : Pf = 20 mW MIN.

? Available for DWDM wavelengths based on ITU-T recommendations

(50 GHz grid, please refer to the ORDERING INFORMATION)

? 4 channel wavelength tunable capability for 50 GHz-spacing

(NX8570SC×××D)

? Internal thermo-electric cooler and isolator

? Hermetically sealed 14-pin butterfly package

? Polarization maintain fiber pigtail