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Free Space Communications With Beam Steering a Two-Electrode Tapered Laser Diode Using Liquid-Crystal SLM

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3 Author(s)
Feng, F. ; Electrical division, Engineering Department, University of Cambridge, Cambridge, UK ; White, I.H. ; Wilkinson, T.D.

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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Lightwave Technology, Journal of  (Volume:31 ,  Issue: 12 )