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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 24, Iss. 5 — May. 1, 2006
  • pp: 1989–

Free Space Adaptive Optical Interconnect at 1.25 Gb/s, With Beam Steering Using a Ferroelectric Liquid-Crystal SLM

Charley J. Henderson, Diego Gil Leyva, and Timothy D. Wilkinson

Journal of Lightwave Technology, Vol. 24, Issue 5, pp. 1989- (2006)

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A free space adaptive optical interconnect is reported, in which an optically modulated channel from a vertical-cavity surface-emitting laser at 1.25 Gb/s is steered using reconfigurable binary phase gratings displayed on a ferroelectric liquid crystal on silicon (LCOS) spatial light modulator (SLM), to correct for misalignment. The optical system, and addressing scheme to maintain a transparent optical path, is described. The measured optical losses total 13.6 dB, sufficient to give a bit error rate (BER) of 10-12 with current optical transmitter and receiver technology. This is, to our knowledge, the first demonstration of a high-speed data transmission through an adaptive optical interconnect using an "off-the-shelf" commercial ferroelectric display panel.

© 2006 IEEE

Charley J. Henderson, Diego Gil Leyva, and Timothy D. Wilkinson, "Free Space Adaptive Optical Interconnect at 1.25 Gb/s, With Beam Steering Using a Ferroelectric Liquid-Crystal SLM," J. Lightwave Technol. 24, 1989- (2006)

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