NDLI: Tunable chromatic dispersion compensation in 40-Gb/s systems using nonlinearly chirped fiber Bragg gratings

Content Provider	IEEE Xplore Digital Library
Author	Pan, Z. Song, Y.W. Yu, C. Wang, Y. Yu, Q. Popelek, J. Li, H. Li, Y. Willner, A.E.
Copyright Year	1983
Abstract	Chromatic dispersion management and tunable compensation are essential features of 40-Gb/s wavelength-division-multiplexed (WDM) systems. In this paper, we demonstrate both single and multi channel 40-Gb/s tunable dispersion compensation using nonlinearly chirped FBGs (NC-FBGs). For single channel compensation, we show that the NC-FBG can be tuned over a moderate range (/spl sim/400 ps/nm) with tolerable third-order dispersion (<200 ps/nm/sup 2/) within the channel's data bandwidth (intrachannel third-order dispersion). For multichannel systems, we demonstrate 4/spl times/40-Gb/s tunable dispersion compensation using sampled NC-FBGs in two configurations. First, we show that a single, sampled NC-FBG with fairly low intrachannel third-order dispersion induces negligible penalty on all four channels. This solution has a limited dispersion tuning range because of the deleterious intrachannel third-order dispersion. We show a moderate tuning range from -300 ps/nm to -700 ps/nm. Second, we demonstrate that two inverse, concatenated, sampled NC-FBGs can cancel the high deleterious intrachannel third-order dispersion, thus extending the dispersion tuning range. This solution provides both positive and negative dispersion values by stretching the two NC-FBGs separately. A tuning range of -300 ps/nm to +300 ps/nm with zero intrachannel third-order dispersion is shown.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	2239
Ending Page	2246
Page Count	8
File Size	434737
File Format	PDF
ISSN	07338724
Volume Number	20
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chromatic dispersion Optical fiber dispersion Fiber gratings Bragg gratings Chirp Optical fiber communication Bandwidth Optical tuning Optical signal processing Temperature
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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