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Optics Letters

Optics Letters


  • Vol. 36, Iss. 2 — Jan. 15, 2011
  • pp: 208–210

Silicon-based liquid-crystal cell for self-branching of optical packets

Mitsunori Saito, Kazuhiro Yoshimura, and Kazuki Kanatani  »View Author Affiliations

Optics Letters, Vol. 36, Issue 2, pp. 208-210 (2011)

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Self-controlled photonic switching was achieved by combining the photoconductivity of a semiconductor and the electrical tunability of a liquid crystal (LC). Pulse packets of 1.06 μm wavelength created free carriers in a silicon electrode of an LC cell, which triggered voltage application for LC reorientation. Consequently, polarization direction of the succeeding packets became perpendicular to that of the preceding packets, and they progressed in different directions after passing through a polarization beam splitter. The cascade LC cells divided a series of packets one by one in a self-controlled manner.

© 2011 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(160.6000) Materials : Semiconductor materials
(200.4650) Optics in computing : Optical interconnects
(230.1150) Optical devices : All-optical devices
(230.3720) Optical devices : Liquid-crystal devices
(260.5430) Physical optics : Polarization

ToC Category:
Optical Devices

Original Manuscript: October 25, 2010
Revised Manuscript: November 30, 2010
Manuscript Accepted: December 13, 2010
Published: January 11, 2011

Mitsunori Saito, Kazuhiro Yoshimura, and Kazuki Kanatani, "Silicon-based liquid-crystal cell for self-branching of optical packets," Opt. Lett. 36, 208-210 (2011)

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