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Optics Express

Optics Express

  • Vol. 17, Iss. 7 — Mar. 30, 2009
  • pp: 5691–5697

High-resolution spectroscopy using a frequency magnifier

Yoshitomo Okawachi, Reza Salem, Mark A. Foster, Amy C. Turner-Foster, Michal Lipson, and Alexander L. Gaeta  »View Author Affiliations

Optics Express, Vol. 17, Issue 7, pp. 5691-5697 (2009)

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We experimentally demonstrate a spectral magnifier using an imaging system with two time-lenses based on four-wave mixing in a Si nanowaveguide. We achieve a magnification factor of 105 with a frequency resolution of 1 GHz. The system offers potential as a tool for single-shot, high resolution spectral measurements.

© 2009 Optical Society of America

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(300.1030) Spectroscopy : Absorption

ToC Category:

Original Manuscript: February 10, 2009
Revised Manuscript: March 20, 2009
Manuscript Accepted: March 20, 2009
Published: March 25, 2009

Yoshitomo Okawachi, Reza Salem, Mark A. Foster, Amy C. Turner-Foster, Michal Lipson, and Alexander L. Gaeta, "High-resolution spectroscopy using a frequency magnifier," Opt. Express 17, 5691-5697 (2009)

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