Eight-Gb/s QPSK-SCM over a coherent detection optical link

Paul M. Hill; Robert Olshansky

doi:10.1117/12.50153

1 October 1991 Eight-Gb/s QPSK-SCM over a coherent detection optical link

Paul M. Hill, Robert Olshansky

Proceedings Volume 1579, Advanced Fiber Communications Technologies; (1991) https://doi.org/10.1117/12.50153
Event: OE Fiber, 1991, Boston, MA, United States

Abstract

The first 8 Gb/s coherent optical detection system using two closely spaced subcarriers with 4 Gb/s QPSK on each subcarrier while maintaining an RF bandwidth efficiency of 1 bit/sec/Hz is reported. The receiver sensitivity is -26.5 dBm, with less than 0.5 dB penalty due to the other channel. It is expected that these techniques can be extended to transmit 16 Gb/s while using only 2 Gb/s baseband electronics.

Citation Download Citation

Paul M. Hill and Robert Olshansky "Eight-Gb/s QPSK-SCM over a coherent detection optical link", Proc. SPIE 1579, Advanced Fiber Communications Technologies, (1 October 1991); https://doi.org/10.1117/12.50153

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