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Mode profiling of semiconductor nanowire lasers

Saxena, Dhruv, Wang, Fan, Gao, Qian, Mokkapati, Sudha, Tan, Hark Hoe and Jagadish, Chennupati 2015. Mode profiling of semiconductor nanowire lasers. Nano Letters 15 (8) , pp. 5342-5348. 10.1021/acs.nanolett.5b01713

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Abstract

We experimentally determine the lasing mode(s) in optically pumped semiconductor nanowire lasers. The spatially resolved and angle-resolved far-field emission profiles of single InP nanowire lasers lying horizontally on a SiO2 substrate are characterized in a microphotoluminescence (μ-PL) setup. The experimentally obtained polarization dependent far-field profiles match very well with numerical simulations and enable unambiguous identification of the lasing mode(s). This technique can be applied to characterize lasing modes in other type of nanolasers that are integrated on a substrate in either vertical or horizontal configurations.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Uncontrolled Keywords: far-field characterization; Fourier space imaging; mode characterization; Nanowire lasers; semiconductor nanowires
Publisher: American Chemical Society
ISSN: 1530-6984
Date of First Compliant Deposit: 20 July 2017
Last Modified: 29 Jun 2019 16:49
URI: http://orca-mwe.cf.ac.uk/id/eprint/100863

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