New modulation scheme for coherent lightwave communication: Direct-Modulation PSK

Takao Naito; Terumi Chikama; Hideo Kuwahara

doi:10.1117/12.24921

1 January 1991 New modulation scheme for coherent lightwave communication: Direct-Modulation PSK

Takao Naito, Terumi Chikama, Hideo Kuwahara

Proceedings Volume 1372, Coherent Lightwave Communications: Fifth in a Series; (1991) https://doi.org/10.1117/12.24921
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

We propose an optical PSK modulation scheme achieved by direct modulation of a laser diode with a wide flat FM response. We call it Direct-Modulation PSK (DM-PSK). We performed 4-Gb/s DM-PSK and CP-FSK transmission experiments at 135 un over 233 km of conventional 13-. un zero-dispersion fiber. The receiver sensitivity degradation due to chromatic dispersion was 0. 7 dB for DM-PSK smaller than that of 2. 5 dB for CP-FSK.

Citation Download Citation

Takao Naito, Terumi Chikama, and Hideo Kuwahara "New modulation scheme for coherent lightwave communication: Direct-Modulation PSK", Proc. SPIE 1372, Coherent Lightwave Communications: Fifth in a Series, (1 January 1991); https://doi.org/10.1117/12.24921

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