Polarization characteristics, control, and modulation of vertical-cavity surface emitting lasers

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The gain-dependent polarization properties of vertical-cavity surface emitting lasers and methods for polarization control and modulation are discussed. The partitioning of power between the two orthogonal eigen polarizations is shown to depend upon the relative spectral alignment of the nondegenerate polarization cavity resonances with the laser gain spectrum. A dominant polarization can thus be maintained by employing a blue-shifted offset of the peak laser gain relative to the cavity resonance wavelength. Alternatively, the polarization can be controlled through use of anisotropic transverse cavity geometries. The orthogonal eigen polarizations are also shown to enable polarization modulation. By exploiting polarization switching transitions ... continued below

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12 p.

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Choquette, K.D.; Lear, K.L.; Schneider, R.P. Jr.; Figiel, J.J.; Kilcoyne, S.P.; Hagerott-Crawford, M. et al. March 1, 1995.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The gain-dependent polarization properties of vertical-cavity surface emitting lasers and methods for polarization control and modulation are discussed. The partitioning of power between the two orthogonal eigen polarizations is shown to depend upon the relative spectral alignment of the nondegenerate polarization cavity resonances with the laser gain spectrum. A dominant polarization can thus be maintained by employing a blue-shifted offset of the peak laser gain relative to the cavity resonance wavelength. Alternatively, the polarization can be controlled through use of anisotropic transverse cavity geometries. The orthogonal eigen polarizations are also shown to enable polarization modulation. By exploiting polarization switching transitions in cruciform lasers, polarization modulation of the fundamental mode up to 50 MHz is demonstrated. At lower modulation frequencies, complementary digital polarized output or frequency doubling of the polarized output is obtained. Control and manipulation of vertical-cavity laser polarization may prove valuable for present and future applications.

Physical Description

12 p.

Notes

OSTI as DE95008526

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  • SPIE `95: SPIE conference on optics, electro-optics, and laser application in science, engineering and medicine, San Jose, CA (United States), 5-14 Feb 1995

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  • Other: DE95008526
  • Report No.: SAND--95-0482C
  • Report No.: CONF-950226--26
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/34417 | External Link
  • Office of Scientific & Technical Information Report Number: 34417
  • Archival Resource Key: ark:/67531/metadc677313

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  • March 1, 1995

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 13, 2016, 4:25 p.m.

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Choquette, K.D.; Lear, K.L.; Schneider, R.P. Jr.; Figiel, J.J.; Kilcoyne, S.P.; Hagerott-Crawford, M. et al. Polarization characteristics, control, and modulation of vertical-cavity surface emitting lasers, report, March 1, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc677313/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.