Free space communications with beam steering a two-electrode tapered laser diode using liquid-crystal slm

Feng Feng; Ian H. White; Timothy D. Wilkinson

doi:10.1109/JLT.2013.2262372

Free space communications with beam steering a two-electrode tapered laser diode using liquid-crystal slm

Feng Feng, Ian H. White, Timothy D. Wilkinson

Vice Chancellor's Office

University of Cambridge

Research output: Contribution to journal › Article › peer-review

61 Citations (SciVal)

Abstract

A free space optical wireless communication system with 3 degree angular coverage and 1.25 GHz modulation bandwidth is reported, in which relatively narrow laser beam of a simultaneous high power, high modulation speed and ultra high modulation efficiency directly modulated two-electrode tapered laser diode is steered using a nematic phase-only Liquid-Crystal On Silicon Spatial Light Modulator (LCOS SLM) by displaying reconfigurable 256 phase level gratings.

Original language	English
Article number	6518178
Pages (from-to)	2001-2007
Number of pages	7
Journal	Journal of Lightwave Technology
Volume	31
Issue number	12
Early online date	24 May 2013
DOIs	https://doi.org/10.1109/JLT.2013.2262372
Publication status	Published - 15 Jun 2013

Keywords

Beam steering
free-space optical communication
semiconductor lasers
spatial light modulators (SLMs)

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1109/JLT.2013.2262372

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abstract = "A free space optical wireless communication system with 3 degree angular coverage and 1.25 GHz modulation bandwidth is reported, in which relatively narrow laser beam of a simultaneous high power, high modulation speed and ultra high modulation efficiency directly modulated two-electrode tapered laser diode is steered using a nematic phase-only Liquid-Crystal On Silicon Spatial Light Modulator (LCOS SLM) by displaying reconfigurable 256 phase level gratings.",

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Free space communications with beam steering a two-electrode tapered laser diode using liquid-crystal slm

Abstract

Keywords

ASJC Scopus subject areas

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