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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 20 — Oct. 3, 2005
  • pp: 8136–8145

Slow light in a semiconductor waveguide at gigahertz frequencies

Jesper Mørk, Rasmus Kjær, Mike van der Poel, and Kresten Yvind  »View Author Affiliations

Optics Express, Vol. 13, Issue 20, pp. 8136-8145 (2005)

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We experimentally demonstrate slow-down of light by a factor of three in a 100 μm long semiconductor waveguide at room temperature and at a record-high frequency of 16.7 GHz. It is shown that the group velocity can be controlled all-optically as well as through an applied bias voltage. A semi-analytical model based on the effect of coherent population oscillations and taking into account propagation effects is derived and is shown to well account for the experimental results. It is shown that the carrier lifetime limits the maximum achievable delay. Based on the general model we analyze fundamental limitations in the application of light slowdown due to coherent population oscillations.

© 2005 Optical Society of America

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(130.5990) Integrated optics : Semiconductors
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Research Papers

Original Manuscript: July 6, 2005
Revised Manuscript: September 20, 2005
Published: October 3, 2005

Jesper Mørk, Rasmus Kjær, Mike van der Poel, and Kresten Yvind, "Slow light in a semiconductor waveguide at gigahertz frequencies," Opt. Express 13, 8136-8145 (2005)

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