NDLI: Regenerative SPM-Based Wavelength Conversion and Field Demonstration of 160-Gb/s All-Optical 3R Operation

Content Provider	IEEE Xplore Digital Library
Author	Murai, H. Kanda, Y. Kagawa, M. Arahira, S.
Copyright Year	1983
Abstract	In this paper, we describe a 160-Gb/s all-optical 3R regenerator consisting of a wavelength converter based on self-phase-modulation (SPM) and a non-linear optical loop mirror (NOLM). Particularly, we focus on the simple method to improve the performance of dual-stage wavelength conversion. The dual-stage configuration is useful to alleviate pulse-to-pulse interaction, which degrades both conversion bandwidth and regenerative effect. Total conversion performance, however, strongly depends on waveform distortion at the 1st-stage conversion. Against this, we found that when setting the wavelength shifts of the 1st -stage: ¿¿₁ and the 2nd-stage: ¿¿₂ to be ¿¿₁¿¿₂ < 0, i.e., reversing a wavelength shift at the 2nd-stage, the impact of waveform distortion was suppressed and the conversion performance was dramatically improved in comparison with a monotonic shift over both stages (¿¿₁¿¿₂ > 0). The physical mechanism proving the benefit of the proposed conversion scheme is discussed through both numerical simulations and wavelength conversion experiments. The 3R performance assisted by the regenerative wavelength converter was evaluated by 160-Gb/s field transmission experiments which were conducted in the optical test-bed of Japan Gigabit Network II (JGN II). At a 3R-interval of 380 km, a Q-factor improvement of greater than 7 dB was achieved by applying the wavelength-converter assisted all-optical 3R regenerator.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	910
Ending Page	921
Page Count	12
File Size	3467879
File Format	PDF
ISSN	07338724
Volume Number	28
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-01
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 Repeaters Optical distortion Nonlinear optics Nonlinear distortion Wavelength conversion Scanning probe microscopy Mirrors Optical pulses Degradation 160 Gb/s All-optical 3R regeneration non-linear loop mirror wavelength conversion
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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