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84 fs PMD detection sensitivity in 2 × 40 Gbit/s RZ polarisation multiplex transmission experiment

84 fs PMD detection sensitivity in 2 × 40 Gbit/s RZ polarisation multiplex transmission experiment

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Published

Interchannel phase modulation of polarisation-multiplexed optical signals results in pulse arrival time variations in the presence of polarisation mode dispersion (PMD). Integration of the voltage controlled oscillator (VCO) input signal in the clock recovery phase locked loop (PLL) allows detection of these. 150 and 84 fs PMD detection sensitivities are demonstrated for 4.8 and 38.4 µs measurement intervals, respectively.

Inspec keywords: optical fibre communication; multiplexing; adjacent channel interference; optical fibre dispersion; integrated optoelectronics; optical fibre polarisation; phase modulation

Other keywords: 84 fs PMD detection sensitivity; 40 Gbit/s; polarisation mode dispersion; clock recovery phase locked loop; polarisation-multiplexed optical signals; voltage controlled oscillator input signal integration; RZ polarisation multiplex transmission experiment; 150 fs; pulse arrival time variations; interchannel phase modulation; measurement intervals; 84 fs

Subjects: Integrated optoelectronics; Multiplexing and switching in optical communication; Fibre optics; Modulation and coding methods

References

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