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Parametric oscillation in a vertical microcavity: A polariton condensate or micro-optical parametric oscillation

Parametric oscillation in a vertical microcavity: A polariton condensate or micro-optical parametric oscillation
Parametric oscillation in a vertical microcavity: A polariton condensate or micro-optical parametric oscillation
Semiconductor microcavities can support quasiparticles which are half-light and half-matter with interactions possessed by neither component alone. We show that their distorted dispersion relation forms the basis of a quasiparticle ‘‘trap’’ and elicits extreme enhancements of their nonlinear optical properties. When driven by a continuous wave laser at a critical angle, the quasiparticles are sucked into the trap, condensing into a macroscopic quantum state which efficiently emits light. This device is thus an optical parametric oscillator based on quasiparticle engineering. In contrast to a laser, macroscopic coherence is established in the electronic excitations as well as the light field. This paves the way to new techniques analogous to those established in atomic and superconducting condensates, such as ultrasensitive solid-state interferometers.
R16 247-R16 250
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Savvidis, P.G.
94ddd90f-ba89-4a68-85ca-5581f33105de
Stevenson, R.M.
aeca1469-391c-4574-a511-06e27b4c61c7
Tartakovskii, A.I.
7e3511c6-3557-44f6-b5c6-75b843668936
Skolnick, M.S.
f3155840-dc44-4f68-8329-a139a585cc6a
Roberts, J.S.
c4eae59e-8356-4436-b317-670038103d16
Whittaker, D.M.
c2c77600-df06-4a2a-81a2-628964c9204c
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Savvidis, P.G.
94ddd90f-ba89-4a68-85ca-5581f33105de
Stevenson, R.M.
aeca1469-391c-4574-a511-06e27b4c61c7
Tartakovskii, A.I.
7e3511c6-3557-44f6-b5c6-75b843668936
Skolnick, M.S.
f3155840-dc44-4f68-8329-a139a585cc6a
Roberts, J.S.
c4eae59e-8356-4436-b317-670038103d16
Whittaker, D.M.
c2c77600-df06-4a2a-81a2-628964c9204c

Baumberg, J.J., Savvidis, P.G., Stevenson, R.M., Tartakovskii, A.I., Skolnick, M.S., Roberts, J.S. and Whittaker, D.M. (2000) Parametric oscillation in a vertical microcavity: A polariton condensate or micro-optical parametric oscillation. Physical Review B, 62 (24), R16 247-R16 250.

Record type: Article

Abstract

Semiconductor microcavities can support quasiparticles which are half-light and half-matter with interactions possessed by neither component alone. We show that their distorted dispersion relation forms the basis of a quasiparticle ‘‘trap’’ and elicits extreme enhancements of their nonlinear optical properties. When driven by a continuous wave laser at a critical angle, the quasiparticles are sucked into the trap, condensing into a macroscopic quantum state which efficiently emits light. This device is thus an optical parametric oscillator based on quasiparticle engineering. In contrast to a laser, macroscopic coherence is established in the electronic excitations as well as the light field. This paves the way to new techniques analogous to those established in atomic and superconducting condensates, such as ultrasensitive solid-state interferometers.

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Published date: December 2000
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 256697
URI: https://eprints.soton.ac.uk/id/eprint/256697
PURE UUID: db46d96d-52b6-428d-b131-6ceae3665107

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Date deposited: 19 Jul 2002
Last modified: 12 Apr 2018 16:33

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Contributors

Author: J.J. Baumberg
Author: P.G. Savvidis
Author: R.M. Stevenson
Author: A.I. Tartakovskii
Author: M.S. Skolnick
Author: J.S. Roberts
Author: D.M. Whittaker

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