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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 13 — Jun. 20, 2011
  • pp: 12356–12364

High resolution on-chip spectroscopy based on miniaturized microdonut resonators

Zhixuan Xia, Ali Asghar Eftekhar, Mohammad Soltani, Babak Momeni, Qing Li, Maysamreza Chamanzar, Siva Yegnanarayanan, and Ali Adibi  »View Author Affiliations

Optics Express, Vol. 19, Issue 13, pp. 12356-12364 (2011)

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We experimentally demonstrate a high resolution integrated spectrometer on silicon on insulator (SOI) substrate using a large-scale array of microdonut resonators. Through top-view imaging and processing, the measured spectral response of the spectrometer shows a linewidth of ~0.6 nm with an operating bandwidth of ~50 nm. This high resolution and bandwidth is achieved in a compact size using miniaturized microdonut resonators (radius ~2μm) with a high quality factor, single-mode operation, and a large free spectral range. The microspectrometer is realized using silicon process compatible fabrication and has a great potential as a high-resolution, large dynamic range, light-weight, compact, high-speed, and versatile microspectrometer.

© 2011 OSA

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.5750) Optical devices : Resonators
(300.6190) Spectroscopy : Spectrometers

ToC Category:
Integrated Optics

Original Manuscript: March 4, 2011
Revised Manuscript: April 11, 2011
Manuscript Accepted: May 4, 2011
Published: June 10, 2011

Zhixuan Xia, Ali Asghar Eftekhar, Mohammad Soltani, Babak Momeni, Qing Li, Maysamreza Chamanzar, Siva Yegnanarayanan, and Ali Adibi, "High resolution on-chip spectroscopy based on miniaturized microdonut resonators," Opt. Express 19, 12356-12364 (2011)

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