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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 17 — Aug. 26, 2013
  • pp: 20220–20229

Reconfigurable add-drop multiplexer for spatial modes

David A. B. Miller  »View Author Affiliations

Optics Express, Vol. 21, Issue 17, pp. 20220-20229 (2013)

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We show how a spatial mode can be extracted from a light beam, leaving the other orthogonal modes undisturbed, and allowing a new signal to be retransmitted on that mode. The method is self-aligning, avoids fundamental splitting losses, and uses only local feedback loops on controllable beam splitters and phase shifters. It could be implemented with Mach-Zehnder interferometers in planar optics. The method can be extended to multiple simultaneous mode extractions. As a spatial reconfigurable optical add-drop multiplexer, it is hitless, allowing reconfiguration without interrupting the transmission of any channel.

© 2013 OSA

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4230) Fiber optics and optical communications : Multiplexing
(130.6750) Integrated optics : Systems
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 4, 2013
Revised Manuscript: August 2, 2013
Manuscript Accepted: August 14, 2013
Published: August 21, 2013

David A. B. Miller, "Reconfigurable add-drop multiplexer for spatial modes," Opt. Express 21, 20220-20229 (2013)

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