NDLI: Raman-enhanced regenerative ultrafast all-optical fiber XPM wavelength converter

Content Provider	IEEE Xplore Digital Library
Author	Wei Wang Poulsen, H.N. Rau, L. Hsu-Feng Chou Bowers, J.E. Blumenthal, D.J.
Copyright Year	1983
Abstract	The Raman gain enhancement of a regenerative ultrafast all-optical cross-phase modulation (XPM) wavelength converter (WC) is quantitatively investigated and experimentally demonstrated to operate error free at 40 and 80 Gb/s. The regenerative nature of the converter is shown by experimentally demonstrating a negative 2-dB power penalty at 80 Gb/s. It is also shown that the Raman gain greatly enhances the wavelength conversion efficiency at 80 Gb/s by 21 dB at a Raman pump power of 600 mW using 1 km of highly nonlinear fiber. An analytical theory based on nonlinear phase-shift enhancement of the fiber-effective length is presented and shows the relationship between a nonlinear enhancement and Raman gain as a function of pump power and fiber design parameters. Measured parameters are used in the analytical model, and a good fit between experiment and theory is shown for two different types of fiber: one dispersion-shifted and one highly nonlinear fiber. The ultrafast response time of Raman gain makes this technique applicable to fiber-based ultrafast WCs. In addition, the applicability to other nonlinear fiber wavelength conversion techniques is discussed.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	1105
Ending Page	1115
Page Count	11
File Size	684536
File Format	PDF
ISSN	07338724
Volume Number	23
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical wavelength conversion Optical fiber theory Stimulated emission Optical fiber communication Ultrafast optics Optical fibers Optical modulation Fiber nonlinear optics Nonlinear optics Signal to noise ratio wavelength conversion Cross-phase modulation (XPM) nonlinear optics optical fiber communication Raman effect
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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