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Vertical cavity surface emitting terahertz laser

Vertical cavity surface emitting terahertz laser
Vertical cavity surface emitting terahertz laser
Vertical cavity surface emitting terahertz lasers can be realized in conventional semiconductor microcavities with embedded quantum wells in the strong coupling regime. The cavity is to be pumped optically at half the frequency of the 2p exciton state. Once a threshold population of 2p excitons is achieved, a stimulated terahertz transition populates the lower exciton-polariton branch, and the cavity starts emitting laser light both in the optical and terahertz ranges. The lasing threshold is sensitive to the statistics of photons of the pumping light.
197401-[4pp]
Kavokin, A.V.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Shelykh, I.A.
7dad78b3-4681-410a-abf2-39f3bb16c41f
Taylor, T.
13f0de8a-163b-4979-bd74-036f11f940bb
Glazov, M.M.
a014ed49-8ae2-4d25-91f4-94b79265a8ab
Kavokin, A.V.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Shelykh, I.A.
7dad78b3-4681-410a-abf2-39f3bb16c41f
Taylor, T.
13f0de8a-163b-4979-bd74-036f11f940bb
Glazov, M.M.
a014ed49-8ae2-4d25-91f4-94b79265a8ab

Kavokin, A.V., Shelykh, I.A., Taylor, T. and Glazov, M.M. (2012) Vertical cavity surface emitting terahertz laser. Physical Review Letters, 108 (19), 197401-[4pp]. (doi:10.1103/PhysRevLett.108.197401).

Record type: Article

Abstract

Vertical cavity surface emitting terahertz lasers can be realized in conventional semiconductor microcavities with embedded quantum wells in the strong coupling regime. The cavity is to be pumped optically at half the frequency of the 2p exciton state. Once a threshold population of 2p excitons is achieved, a stimulated terahertz transition populates the lower exciton-polariton branch, and the cavity starts emitting laser light both in the optical and terahertz ranges. The lasing threshold is sensitive to the statistics of photons of the pumping light.

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Published date: 7 May 2012
Organisations: Quantum, Light & Matter Group

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Local EPrints ID: 339898
URI: http://eprints.soton.ac.uk/id/eprint/339898
PURE UUID: 8c72e690-07b7-4b96-ad88-fed36725b8c3

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Date deposited: 01 Jun 2012 10:30
Last modified: 02 Dec 2019 20:57

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