Effect of channel spacing in an optical two-channel DPSK transmission system with optical amplifiers

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Effect of channel spacing in an optical two-channel DPSK transmission system with optical amplifiers

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© The Institution of Electrical Engineers
Published

In a two-channel 560 Mbit/s DPSK system with optical broadband amplifiers the effect of channel spacing is investigated. The main crosstalk mechanism is independent of the amplifiers. It is caused by the spectral overlap of the two channels. No additional crosstalk due to four-wave mixing in the amplifier is found.

Inspec keywords: optical links; phase shift keying; crosstalk; wideband amplifiers

Other keywords: 560 Mbit/s; four-wave mixing; transmission system; optical amplifiers; broadband amplifiers; channel spacing; spectral overlap; crosstalk mechanism; optical two-channel

Subjects: Optical communication; Modulation and coding methods

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