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Creating disk-shaped cavity with a vertical side surface for an infrared whispering-gallery-mode laser (λ ≈ 3 μm)

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Abstract

Disk-shaped cavities in the form of cylinders with diameters of 200, 100, and 50 μm and a mesa height of up to 30 m with the vertical part of the side surface reaching 10 m have been created for the first time for whispering gallery mode (WGM) semiconductor lasers based on InAs/InAsSb0.11P0.24 heterostructures. The cavities were formed by etching in a specially selected HBr-H2Cr2O7-H3PO4 mixture, which ensured an increase in the length of the vertical part of the side surface at a decrease in the surface roughness. These improvements increased the stability of optical modes in the disk cavity of the WGM laser and ensured generation with a wavelength of λ ≈ 3 μm in a continuous regime at 77 K.

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Authors and Affiliations

  1. Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    E. A. Grebenshchikova, V. V. Sherstnev, S. S. Kizhaev, T. B. Popova & Yu. P. Yakovlev

Authors
  1. E. A. Grebenshchikova
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  2. V. V. Sherstnev
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  3. S. S. Kizhaev
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  4. T. B. Popova
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  5. Yu. P. Yakovlev
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Correspondence to E. A. Grebenshchikova.

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Original Russian Text © E.A. Grebenshchikova, V.V. Sherstnev, S.S. Kizhaev, T.B. Popova, Yu.P. Yakovlev, 2008, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2008, Vol. 34, No. 22, pp. 7–13.

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Grebenshchikova, E.A., Sherstnev, V.V., Kizhaev, S.S. et al. Creating disk-shaped cavity with a vertical side surface for an infrared whispering-gallery-mode laser (λ ≈ 3 μm). Tech. Phys. Lett. 34, 953–955 (2008). https://doi.org/10.1134/S1063785008110163

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  • DOI: https://doi.org/10.1134/S1063785008110163

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