Gold substrate-induced single-mode lasing of GaN nanowires

Huiwen Xu; Jeremy B. Wright; Antonio Hurtado; Qiming Li; Ting Shan Luk; Jeffrey J. Figiel; Karen Cross; Ganesh Balakrishnan; Luke F. Lester; Igal Brener; George T. Wang

doi:10.1063/1.4768300

Gold substrate-induced single-mode lasing of GaN nanowires

Huiwen Xu, Jeremy B. Wright, Antonio Hurtado, Qiming Li, Ting Shan Luk, Jeffrey J. Figiel, Karen Cross, Ganesh Balakrishnan, Luke F. Lester, Igal Brener, George T. Wang^*

^*Corresponding author for this work

Physics

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

We demonstrate a method for mode-selection by coupling a GaN nanowire laser to an underlying gold substrate. Multimode lasing of GaN nanowires is converted to single-mode behavior following placement onto a gold film. A mode-dependent loss is generated by the absorbing substrate to suppress multiple transverse-mode operation with a concomitant increase in lasing threshold of only ∼13. This method provides greater flexibility in realizing practical single-mode nanowire lasers and offers insight into the design of metal-contacted nanoscale optoelectronics.

Original language	English
Article number	221114
Number of pages	4
Journal	Applied Physics Letters
Volume	101
Issue number	22
DOIs	https://doi.org/10.1063/1.4768300
Publication status	Published - 26 Nov 2012

Keywords

nanowires
gold
laser resonators

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10.1063/1.4768300

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title = "Gold substrate-induced single-mode lasing of GaN nanowires",

abstract = "We demonstrate a method for mode-selection by coupling a GaN nanowire laser to an underlying gold substrate. Multimode lasing of GaN nanowires is converted to single-mode behavior following placement onto a gold film. A mode-dependent loss is generated by the absorbing substrate to suppress multiple transverse-mode operation with a concomitant increase in lasing threshold of only ∼13. This method provides greater flexibility in realizing practical single-mode nanowire lasers and offers insight into the design of metal-contacted nanoscale optoelectronics.",

keywords = "nanowires, gold, laser resonators",

author = "Huiwen Xu and Wright, {Jeremy B.} and Antonio Hurtado and Qiming Li and Luk, {Ting Shan} and Figiel, {Jeffrey J.} and Karen Cross and Ganesh Balakrishnan and Lester, {Luke F.} and Igal Brener and Wang, {George T.}",

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T1 - Gold substrate-induced single-mode lasing of GaN nanowires

AU - Xu, Huiwen

AU - Wright, Jeremy B.

AU - Hurtado, Antonio

AU - Li, Qiming

AU - Luk, Ting Shan

AU - Figiel, Jeffrey J.

AU - Cross, Karen

AU - Balakrishnan, Ganesh

AU - Lester, Luke F.

AU - Brener, Igal

AU - Wang, George T.

PY - 2012/11/26

Y1 - 2012/11/26

N2 - We demonstrate a method for mode-selection by coupling a GaN nanowire laser to an underlying gold substrate. Multimode lasing of GaN nanowires is converted to single-mode behavior following placement onto a gold film. A mode-dependent loss is generated by the absorbing substrate to suppress multiple transverse-mode operation with a concomitant increase in lasing threshold of only ∼13. This method provides greater flexibility in realizing practical single-mode nanowire lasers and offers insight into the design of metal-contacted nanoscale optoelectronics.

AB - We demonstrate a method for mode-selection by coupling a GaN nanowire laser to an underlying gold substrate. Multimode lasing of GaN nanowires is converted to single-mode behavior following placement onto a gold film. A mode-dependent loss is generated by the absorbing substrate to suppress multiple transverse-mode operation with a concomitant increase in lasing threshold of only ∼13. This method provides greater flexibility in realizing practical single-mode nanowire lasers and offers insight into the design of metal-contacted nanoscale optoelectronics.

KW - nanowires

KW - gold

KW - laser resonators

UR - http://www.scopus.com/inward/record.url?scp=84870563572&partnerID=8YFLogxK

U2 - 10.1063/1.4768300

DO - 10.1063/1.4768300

M3 - Article

AN - SCOPUS:84870563572

SN - 0003-6951

VL - 101

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 22

M1 - 221114

ER -

Gold substrate-induced single-mode lasing of GaN nanowires

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Keywords

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