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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 9 — Sep. 1, 2010
  • pp: 859–862

Simultaneous multichannel NRZ-to-RZ format conversion of 4-ASK signal based on phase-intensity hybrid modulation and dispersion compensation fiber

Wenke Yu, Caiyun Lou, Xiaofan Zhao, and Dan Lu  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 9, pp. 859-862 (2010)


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Abstract

We propose and investigate a novel technique to realize non-return-to-zero (NRZ) to return-to-zero (RZ) format conversion of a multichannel 4-ary amplitude shift keying (4-ASK) signal. The proposed format converter composed of two modulators and a dispersion compensating fiber (DCF) is theoretically investigated using numerical simulation as basis. Research shows that a 4-channel 20-Gb/s NRZ-4-ASK signal can be converted to a RZ-4-ASK signal simultaneously without wavelength shifting and signal quality degradation, with the converted signal multiplexed to 40 Gb/s.

© 2010 Chinese Optics Letters

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(230.0250) Optical devices : Optoelectronics

Citation
Wenke Yu, Caiyun Lou, Xiaofan Zhao, and Dan Lu, "Simultaneous multichannel NRZ-to-RZ format conversion of 4-ASK signal based on phase-intensity hybrid modulation and dispersion compensation fiber," Chin. Opt. Lett. 8, 859-862 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-9-859


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