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Metal film effect on performance of very-small-aperture lasers

Applied Physics B volume 82, pages 595–598 (2006)Cite this article

Abstract

Special characteristics of very-small-aperture lasers are observed, including threshold current change, red shift of the spectral position, and short lifetime at low drive current. Physical mechanisms that underlie these special characteristics are analyzed: we find that optical feedback caused by a metal film and heat accumulation inside the laser diode lead to the special characteristics of VSALs, such as threshold current change, red shift of the spectral position, and short lifetime at low drive current, etc. Theoretical simulation is in good agreement with the experimental results.

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Authors and Affiliations

  1. Institute of Semiconductors, Chinese Academy of Sciences, P.O. Box 912, 100083, Beijing, P.R. China

    Q. Gan, G. Song, Y. Xu, G. Yang, Q. Wang, J. Gao, Q. Cao, Y. Li & L. Chen

  2. Graduate University of the Chinese Academy of Sciences, 100039, Beijing, P.R. China

    Q. Gan, G. Yang, Q. Wang & J. Gao

  3. EO-National Co., Ltd., 516023, Guangdong, P.R. China

    Q. Cao & Y. Li

Authors
  1. Q. Gan
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  2. G. Song
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  3. Y. Xu
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  4. G. Yang
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  5. Q. Wang
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  6. J. Gao
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  7. Q. Cao
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  8. Y. Li
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  9. L. Chen
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Corresponding author

Correspondence to Q. Gan.

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PACS

78.20.-e; 78.20.Bh; 78.20.Ci

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Gan, Q., Song, G., Xu, Y. et al. Metal film effect on performance of very-small-aperture lasers. Appl. Phys. B 82, 595–598 (2006). https://doi.org/10.1007/s00340-005-2110-0

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  • DOI: https://doi.org/10.1007/s00340-005-2110-0

Keywords

  • Laser Diode
  • Short Lifetime
  • Finite Difference Time Domain
  • Spectral Position
  • High Output Power