NDLI: Thermal transient measurement, modeling, and compensation of a widely tunable laser for an optically switched network

Content Provider	IEEE Xplore Digital Library
Author	Mulvihill, G. O'Dowd, R.
Copyright Year	1983
Abstract	The continuous growth of telecommunications traffic has placed huge demands on the traditional networks. Bottlenecks are particularly evident at the routers, where optical to electrical conversion must take place to read the routing information. Using optical-only routing, the traffic flow would be much faster, and more streamlined. A key component in this optical router is the tunable laser. When the laser is switched at high speeds, red-shifted thermal effects, due to the heating effects of the applied currents, cause a drift in the frequency, in the opposite direction to the blue-shifted carrier effects. The thermal effects have been quantified theoretically and experimentally here. The impact of the thermal effects, both on the frequency switching and on the frequency-shift keying (FSK), has been investigated. Methods of compensating for the thermal effects have been developed and verified by simulation and by experiment.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	4101
Ending Page	4109
Page Count	9
File Size	448515
File Format	PDF
ISSN	07338724
Volume Number	23
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tunable circuits and devices Laser modes Optical fiber networks High speed optical techniques Frequency shift keying Telecommunication traffic Routing Laser theory Telecommunication switching Image motion analysis wavelength division multiplexing (WDM) Optical network Switching Technologies for Optically Labeled Signals (STOLAS) thermal transients tunable laser
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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