DESCRIPTION
The NX8571 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 (1530.334 to 1565.087 nm) and L-band (1565.496 to 1608.760 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 = 10 mW MIN.
• Available for DWDM wavelengths based on ITU-T recommendations
   (50 GHz grid)
• 4-channel wavelength tunable capability for 50 GHz-spacing
   (NX8571S××××D)
• Internal thermo-electric cooler and isolator
• Hermetically sealed 14-pin butterfly package
• Polarization maintain fiber pigtail