Polarization control in GaN nanowire lasers

Huiwen Xu, Antonio Hurtado, Jeremy B. Wright, Changyi Li, Sheng Liu, Jeffrey J. Figiel, Ting Shan Luk, Steven R. J. Brueck, Igal Brener, Ganesh Balakrishnan, Qiming Li, George T. Wang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We demonstrate polarization control in optically-pumped single GaN nanowire lasers fabricated by a top-down method. By placing the GaN nanowires onto gold substrates, the naturally occurring randomly orientated elliptical polarization of nanowire lasers is converted to a linear polarization that is oriented parallel to the substrate surface. Confirmed by simulation results, this polarization control is attributed to a polarization-dependent loss induced by the gold substrate, which breaks the mode degeneracy of the nanowire and forms two orthogonally polarized modes with largely different cavity losses.

LanguageEnglish
Pages19198-19203
Number of pages6
JournalOptics Express
Volume22
Issue number16
DOIs
Publication statusPublished - 11 Aug 2014

Fingerprint

nanowires
polarization
lasers
gold
elliptical polarization
linear polarization
cavities
simulation

Keywords

  • nanostructure fabrication
  • semiconductor lasers
  • quantum well devices
  • photoluminescence

Cite this

Xu, H., Hurtado, A., Wright, J. B., Li, C., Liu, S., Figiel, J. J., ... Wang, G. T. (2014). Polarization control in GaN nanowire lasers. Optics Express, 22(16), 19198-19203. https://doi.org/10.1364/OE.22.019198
Xu, Huiwen ; Hurtado, Antonio ; Wright, Jeremy B. ; Li, Changyi ; Liu, Sheng ; Figiel, Jeffrey J. ; Luk, Ting Shan ; Brueck, Steven R. J. ; Brener, Igal ; Balakrishnan, Ganesh ; Li, Qiming ; Wang, George T. / Polarization control in GaN nanowire lasers. In: Optics Express. 2014 ; Vol. 22, No. 16. pp. 19198-19203.
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Xu, H, Hurtado, A, Wright, JB, Li, C, Liu, S, Figiel, JJ, Luk, TS, Brueck, SRJ, Brener, I, Balakrishnan, G, Li, Q & Wang, GT 2014, 'Polarization control in GaN nanowire lasers' Optics Express, vol. 22, no. 16, pp. 19198-19203. https://doi.org/10.1364/OE.22.019198

Polarization control in GaN nanowire lasers. / Xu, Huiwen; Hurtado, Antonio; Wright, Jeremy B.; Li, Changyi; Liu, Sheng; Figiel, Jeffrey J.; Luk, Ting Shan; Brueck, Steven R. J.; Brener, Igal; Balakrishnan, Ganesh; Li, Qiming; Wang, George T.

In: Optics Express, Vol. 22, No. 16, 11.08.2014, p. 19198-19203.

Research output: Contribution to journalArticle

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T1 - Polarization control in GaN nanowire lasers

AU - Xu, Huiwen

AU - Hurtado, Antonio

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AU - Li, Changyi

AU - Liu, Sheng

AU - Figiel, Jeffrey J.

AU - Luk, Ting Shan

AU - Brueck, Steven R. J.

AU - Brener, Igal

AU - Balakrishnan, Ganesh

AU - Li, Qiming

AU - Wang, George T.

PY - 2014/8/11

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N2 - We demonstrate polarization control in optically-pumped single GaN nanowire lasers fabricated by a top-down method. By placing the GaN nanowires onto gold substrates, the naturally occurring randomly orientated elliptical polarization of nanowire lasers is converted to a linear polarization that is oriented parallel to the substrate surface. Confirmed by simulation results, this polarization control is attributed to a polarization-dependent loss induced by the gold substrate, which breaks the mode degeneracy of the nanowire and forms two orthogonally polarized modes with largely different cavity losses.

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KW - nanostructure fabrication

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KW - quantum well devices

KW - photoluminescence

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Xu H, Hurtado A, Wright JB, Li C, Liu S, Figiel JJ et al. Polarization control in GaN nanowire lasers. Optics Express. 2014 Aug 11;22(16):19198-19203. https://doi.org/10.1364/OE.22.019198