Laser Diode Module
California Eastern Labs announces an uncooled, 1310 nm, directly-modulated laser diode module from NEC. Designed for 10G transmission applications, NEC's NX8340 Series modules are 10G AlGaInAs uncoolded DFB laser diodes fabricated using Al oxidation-free all-selective MOVPE without semiconductor etching. The module is available in two 17 pin mini-butterfly packages: the NX8340MD pigtail version for 300 pin transponders, and the NX8340ME SC receptacle version for XENPAK, and X2 and XPAK transceivers. Both versions are designed to be surface mounted. Besides the laser diode, the modules include a monitor photodiode, thermistor, optical isolator, and a built-in laser driver IC. Designed for a differential input with 50( impedance, the modules feature pins for controlling and monitoring the laser bias and modulation current.
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