Impact of 1/f-type FM noise on coherent optical communications

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Impact of 1/f-type FM noise on coherent optical communications

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© The Institution of Electrical Engineers
Published

When a semiconductor laser operates in a high power state, the l/f-type FM noise is a dominant cause of spectral broadening. The degradation of the bit error rate performance of the heterodyne DPSK optical communication system due to such 1/f noise is calculated. The result shows that the 1/f noise is much less harmful than the white noise originated from spontaneous emission events.

Inspec keywords: random noise; optical communication equipment; semiconductor junction lasers; phase shift keying

Other keywords: heterodyne DPSK optical communication system; white noise; BER; spectral broadening; semiconductor laser; 1/ f-type FM noise; coherent optical communications; bit error rate performance; high power state

Subjects: Semiconductor lasers; Optical communication devices, equipment and systems; Modulation and coding methods; Design of specific laser systems; Lasing action in semiconductors; Optical communication

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