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Teaching polaritons new tricks

Teaching polaritons new tricks
Teaching polaritons new tricks
Semiconductor microcavities have attracted much recent interest because they utilize simultaneously 2D confinement of both excitons and photons in the same heterostructure. Strong coupling of these two states produces unique dynamics that can be well described in a quasiparticle state, the cavity polaritons. Their dispersion relation is dramatically modified with an apparent trap in k-space offering exciting new possibilities for tailoring nonlinear optical properties in microcavities. The reduced density of states inside the trap allows the macroscopic occupancy of polaritons producing much of the new physics. This paper describes recent work on nonlinear effects in semiconductor microcavities including stimulated scattering, parametric oscillation and non-equilibrium phase transition. By teaching polaritons new tricks, both fundamental questions about their bosonic nature can be answered and practical applications in a variety of optoelectronic and interferometric devices can be found.
S311-318
Savvidis, P.G.
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Lagoudakis, P.G.
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Savvidis, P.G.
94ddd90f-ba89-4a68-85ca-5581f33105de
Lagoudakis, P.G.
ea50c228-f006-4edf-8459-60015d961bbf

Savvidis, P.G. and Lagoudakis, P.G. (2003) Teaching polaritons new tricks. Semiconductor Science and Technology, 18 (10), S311-318. (doi:10.1088/0268-1242/18/10/304).

Record type: Article

Abstract

Semiconductor microcavities have attracted much recent interest because they utilize simultaneously 2D confinement of both excitons and photons in the same heterostructure. Strong coupling of these two states produces unique dynamics that can be well described in a quasiparticle state, the cavity polaritons. Their dispersion relation is dramatically modified with an apparent trap in k-space offering exciting new possibilities for tailoring nonlinear optical properties in microcavities. The reduced density of states inside the trap allows the macroscopic occupancy of polaritons producing much of the new physics. This paper describes recent work on nonlinear effects in semiconductor microcavities including stimulated scattering, parametric oscillation and non-equilibrium phase transition. By teaching polaritons new tricks, both fundamental questions about their bosonic nature can be answered and practical applications in a variety of optoelectronic and interferometric devices can be found.

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Published date: 2003
Organisations: Nanoelectronics and Nanotechnology

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Local EPrints ID: 259970
URI: http://eprints.soton.ac.uk/id/eprint/259970
PURE UUID: 8729ffc7-3e1e-4659-be54-10e0ac064521

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Date deposited: 21 Oct 2004
Last modified: 11 Nov 2019 21:11

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