NDLI: High-Capacity Time-Domain Wavelength Interleaved Networks

Content Provider	IEEE Xplore Digital Library
Author	Chan, T.K.C. Wong, E.W.M. Yiu-Wing Leung
Copyright Year	1983
Abstract	Time-domain wavelength interleaved network (TWIN) is an elegant and cost-effective all-optical network designed by a group of researchers in Bell Labs. It emulates fast optical switching via fast tunable lasers at the network edge, so it does not need optical switching and buffering in the network core. TWIN can be upgraded to provide larger capacity by using more receivers at the nodes, where capacity is the aggregate data rate supported by the network. In this paper, we focus on making this upgrade resource-effective. Specifically, we exploit and optimize wavelength reuse so that the resulting network, called high-capacity TWIN (HC-TWIN), can better utilize its available resources to provide larger capacity while retaining the appealing advantages of TWIN. We formulate the problem of optimizing HC-TWIN, prove its NP-hardness, and design an efficient three-stage algorithm to solve it. Simulation results demonstrate that 1) HC-TWIN can provide larger capacity by realizing larger degree of wavelength reuse and 2) the three-stage algorithm can find optimal or close-to-optimal solutions.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	3948
Ending Page	3958
Page Count	11
File Size	548932
File Format	PDF
ISSN	07338724
Volume Number	27
Issue Number	17
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Time domain analysis Optical buffering Optical fiber networks Telecommunication traffic High speed optical techniques Optical receivers Fiber nonlinear optics Nonlinear optics Optical crosstalk Tunable circuits and devices network optimization All-optical networks network architectures
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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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