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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3140–3148

Compact electro-optic modulator on silicon-on-insulator substrates using cavities with ultra-small modal volumes

Bradley Schmidt, Qianfan Xu, Jagat Shakya, Sasikanth Manipatruni, and Michal Lipson  »View Author Affiliations

Optics Express, Vol. 15, Issue 6, pp. 3140-3148 (2007)

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We experimentally demonstrate a micron-size electro-optic modulator using a high-index-contrast silicon Fabry-Pérot resonator cavity. This compact device consists of a 1-D cavity formed within a single mode silicon channel waveguide and an embedded p-i-n junction on a silicon-on-insulator platform. The entire device is 6.0 microns in length. We demonstrate modulation depths as large as 5.87 dB at speeds of 250 Mbps limited only by fabrication imperfections, with optimized theoretical speeds of several Gbps.

© 2007 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Integrated Optics

Original Manuscript: January 12, 2007
Revised Manuscript: February 28, 2007
Manuscript Accepted: March 2, 2007
Published: March 19, 2007

Bradley Schmidt, Qianfan Xu, Jagat Shakya, Sasikanth Manipatruni, and Michal Lipson, "Compact electro-optic modulator on silicon-on-insulator substrates using cavities with ultra-small modal volumes," Opt. Express 15, 3140-3148 (2007)

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