Phase erasure and format conversion of PSK to OOK based on phase sensitive amplification

Kan Yu; Xiangbiao Liu II; Lijun Wang III; Jiaqi Bao IV

doi:10.1117/12.2326899

24 July 2018 Phase erasure and format conversion of PSK to OOK based on phase sensitive amplification

Kan Yu, Xiangbiao Liu II, Lijun Wang III, Jiaqi Bao IV

Proceedings Volume 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018); 108272I (2018) https://doi.org/10.1117/12.2326899
Event: Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 2018, Shanghai, China

Abstract

A novel phase erasure and format conversion of phase-shift keying (PSK) to conventional on-off keying (OOK) is proposed and demonstrated theoretically and experimentally. Using a single-pump nondegenerate phase sensitive amplification process in a highly nonlinear fiber, the 0 and 1-bits of the PSK signal obtain different gains through amplification and de-amplification. As a result, the modulation information is transferred onto the amplitude. With an optimized input power difference between the signal and idler, the signal phase information is erased with wavelength preservation after the PSA. The output constellation and eyediagrams show an effective phase erasure and format conversion of PSK to conventional OOK. The error vector magnitude is utilized to evaluate the scheme performance. The proposed scheme provides the flexibility for future optical communication networks.

Citation Download Citation

Kan Yu, Xiangbiao Liu II, Lijun Wang III, and Jiaqi Bao IV "Phase erasure and format conversion of PSK to OOK based on phase sensitive amplification", Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 108272I (24 July 2018); https://doi.org/10.1117/12.2326899

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KEYWORDS

Phase shift keying

Modulation

Eye

Signal generators

Nonlinear optics

Optical networks

Continuous wave operation

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