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Optical digital pulse-position modulation: experimental results for heterodyne detection using suboptimal filtering

Massarella, Alistair J. and Sibley, Martin J.N. (1992) Optical digital pulse-position modulation: experimental results for heterodyne detection using suboptimal filtering. Electronics letters, 28 (6). pp. 574-576. ISSN 0013-5194

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Abstract

Original practical and theoretical results are presented for heterodyne detection of optical digital pulse-position modulation ( = 1.523 µm) employing suboptimal filtering. The measured sensitivity was –62.7 dBm when operating with a 20 ns slot width and 16 data-pulse positions. This represents an improvement of 16.8 dB over an equivalent suboptimal direct detection digital pulse-position modulation system. With –18 dBm of local oscillator power, the sensitivity was within 8.6 dB of the shot-noise limit

Item Type: Article
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Schools: School of Computing and Engineering
School of Computing and Engineering > Systems Engineering Research Group
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Depositing User: Briony Heyhoe
Date Deposited: 05 Dec 2008 10:13
Last Modified: 05 Dec 2008 10:13
URI: http://eprints.hud.ac.uk/id/eprint/2874

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