Joint optimization of a partially coherent Gaussian beam for free-space optical communication over turbulent channels with pointing errors

Lee, It Ee, Ghassemlooy, Zabih, Ng, Wai Pang and Khalighi, Mohammad-Ali (2013) Joint optimization of a partially coherent Gaussian beam for free-space optical communication over turbulent channels with pointing errors. Optics Letters, 38 (3). pp. 350-352. ISSN 0146-9592

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Abstract

Joint beam width and spatial coherence length optimization is proposed to maximize the average capacity in partially coherent free-space optical links, under the combined effects of atmospheric turbulence and pointing errors. An optimization metric is introduced to enable feasible translation of the joint optimal transmitter beam parameters into an analogous level of divergence of the received optical beam. Results show that near-ideal average capacity is best achieved through the introduction of a larger receiver aperture and the joint optimization technique.

Item Type:	Article
Subjects:	H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Becky Skoyles
Date Deposited:	02 Oct 2013 11:39
Last Modified:	13 Oct 2019 00:32
URI:	http://nrl.northumbria.ac.uk/id/eprint/13641

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