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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 26 — Dec. 21, 2009
  • pp: 23380–23388

Dynamic switching characteristics of InGaAsP/InP multimode interference optical waveguide switch

Shinji Tomofuji, Shinji Matsuo, Takaaki Kakitsuka, and Ken-ichi Kitayama  »View Author Affiliations

Optics Express, Vol. 17, Issue 26, pp. 23380-23388 (2009)

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Multimode interference (MMI) waveguide switches show promise for switch in optical packet switching (OPS). In this work, we fabricated 1 × 4 InGaAsP/InP MMI waveguide switch device which consists of a 1 × 4 MMI splitter, 4 equally spaced single-mode waveguides with phase shifters, and a 4 × 4 MMI combiner. Good crosstalk and extinction ratio of −14.47 dB and 23.39 dB, respectively, are obtained. In addition, we experimentally demonstrate dynamic switching, and the rise and fall time of 1.4 ns and 1.2 ns, respectively, are obtained.

© 2009 OSA

OCIS Codes
(080.1238) Geometric optics : Array waveguide devices
(130.4815) Integrated optics : Optical switching devices
(060.6719) Fiber optics and optical communications : Switching, packet

ToC Category:
Integrated Optics

Original Manuscript: September 10, 2009
Revised Manuscript: November 21, 2009
Manuscript Accepted: November 23, 2009
Published: December 7, 2009

Shinji Tomofuji, Shinji Matsuo, Takaaki Kakitsuka, and Ken-ichi Kitayama, "Dynamic switching characteristics of InGaAsP/InP multimode interference
optical waveguide switch," Opt. Express 17, 23380-23388 (2009)

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