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High performance 1.5 mu m multiple-quantum-well DFB-DC-PBH-LDs at 30 mW output power for Gb/s range coherent systems

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5 Author(s)

Long cavity (1200 mu m) MQW-DFB-DC-PBH-LDs have been developed. The devices simultaneously showed less than 1 MHz spectral linewidth, lower than 15 kHz FM dip frequency, moderate FM efficiency (250-300 MHz/mA at 100 MHz modulation frequency), as well as 10-GHz FM bandwidth (6 dB down level from the peak), at 30 mW output power condition. Such LDs will be suitable for Gb/s continuous phase frequency shift keying (CPFSK) current optical fiber communication systems.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:3 ,  Issue: 4 )

Date of Publication:

April 1991

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