NDLI: Feasibility study on optical heterodyne MSK receiver using synchronous demodulation

Content Provider	IEEE Xplore Digital Library
Author	Papannareddy, R.
Copyright Year	1989
Description	Author affiliation: Purdue Univ., West Lafayette, IN, USA (Papannareddy, R.)
Abstract	The feasibility study of an optical heterodyne MSK (minimum shift keying) synchronous receiver based on a Costas loop circuit is presented. The theoretical performance of the receiver is evaluated in terms of the laser linewidth requirements, loop bandwidth, and quantum noise limited sensitivity for the permissible phase error and bit rate. The optimum loop bandwidth has been found to be 32.7% of the bit rate and the theoretical quantum noise limited receiver sensitivity is evaluated to be 29.6310/sup -19/ R/sub b/. The signal power required for reliable phase-locking is found to be 12.0510/sup -16/ Delta nu watts. It is shown that an IF (intermediate frequency) linewidth of less than 0.24% of the bit rate is required to avoid performance degradation of approximately 1.0 dB due to imperfect phase locking. Therefore, the synchronous MSK receiver can be implemented using the presently available semiconductor lasers. The receiver sensitivity has been improved due to the compact spectrum of the MSK signal, giving an advantage over other schemes for high-speed optical systems operating in the multigigabit range.
Starting Page	682
Ending Page	687
File Size	519818
Page Count	6
File Format	PDF
DOI	10.1109/GLOCOM.1989.64054
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-11-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical receivers Optical mixing High speed optical techniques Optical noise Optical sensors Bit rate Bandwidth Quantum mechanics Semiconductor device noise Circuits
Content Type	Text
Resource Type	Article

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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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