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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 25 — Dec. 12, 2005
  • pp: 10109–10114

Compact 1 × N thermo-optic switches based on silicon photonic wire waveguides

Tao Chu, Hirohito Yamada, Satomi Ishida, and Yasuhiko Arakawa  »View Author Affiliations

Optics Express, Vol. 13, Issue 25, pp. 10109-10114 (2005)

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Using silicon photonic wire waveguides, we constructed compact 1 × 1, 1 × 2, and 1 × 4 Mach-Zehnder interferometer type optical switches on a silicon-on-insulator substrate and demonstrated their switching operations through the thermo-optic effect. These switches were smaller than 140 × 65, 85 × 30, and 190 × 75 μm, respectively. At a 1550-nm wavelength, we obtained an extinction ratio larger than 30 dB, a switching power as low as 90 mW, and a switching response time of less than 100 μs. Furthermore, switching operations were successfully demonstrated for the 1 × 4 switch.

© 2005 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(160.6840) Materials : Thermo-optical materials
(250.5300) Optoelectronics : Photonic integrated circuits
(250.7360) Optoelectronics : Waveguide modulators

ToC Category:
Research Papers

Tao Chu, Hirohito Yamada, Satomi Ishida, and Yasuhiko Arakawa, "Compact 1 × N thermo-optic switches based on silicon photonic wire waveguides," Opt. Express 13, 10109-10114 (2005)

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