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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 9, Iss. 6 — Sep. 10, 2001
  • pp: 287–293

Temperature dependence of the reflectivity in absorbing Bragg reflectors

J. L. Shen, C. Y. Chang, W. C. Chou, M. C. Wu, and Y. F. Chen  »View Author Affiliations

Optics Express, Vol. 9, Issue 6, pp. 287-293 (2001)

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The reflectivity of absorbing Bragg reflectors consisting of a GaAs/AlAs Bragg mirror and a InGaAs/InGaAsP multiple-quantum-well cavity layer was studied as a function of temperature. An absorption dip in the stop band due to the optical confinement of the Fabry-Perot resonance was observed in the reflectivity spectra. The absorption intensity of the dip increased with temperature and was explained by the resonant coincidence of the Fabry-Perot cavity mode and the quantum-well absorption. The temperature-dependent reflectivity spectra were successfully reproduced using the transfer matrix method and the linear dependence of the refractive index on temperature.

© Optical Society of America

OCIS Codes
(300.6250) Spectroscopy : Spectroscopy, condensed matter
(310.6860) Thin films : Thin films, optical properties

ToC Category:
Research Papers

Original Manuscript: July 30, 2001
Published: September 10, 2001

Ji Lin Shen, C. Chang, W. Chou, Ming Wu, and Y. Chen, "Temperature dependence of the reflectivity in absorbing Bragg reflectors," Opt. Express 9, 287-293 (2001)

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