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Superlinear increase of photocurrent due to stimulated scattering into a polariton condensate

Superlinear increase of photocurrent due to stimulated scattering into a polariton condensate
Superlinear increase of photocurrent due to stimulated scattering into a polariton condensate

We show that when a monopolar current is passed through an n-i-n structure, superlinear photocurrent response occurs when there is a polariton condensate. This is in sharp contrast to the previously observed behavior for a standard semiconductor laser. Theoretical modeling shows that this is due to a stimulated exciton-exciton scattering process in which one exciton relaxes into the condensate, while another one dissociates into an electron-hole pair.

2469-9950
Myers, D. M.
2f94d532-2cdf-483e-817a-5af937ae1a2a
Ozden, B.
3097bc1c-8c08-46da-9f52-ecc4911438cd
Steger, M.
e8b4ac1f-ce3e-411c-b189-ab7665db5100
Sedov, E.
09ed8f98-fb1e-44d5-a192-10b0c6541cd9
Kavokin, A.
70ffda66-cfab-4365-b2db-c15e4fa1116b
West, K.
7e29d428-59dd-4bbd-86ac-f3e2d4856f02
Pfeiffer, L. N.
419b87b8-e9c7-4c5f-9988-5945fbcdd010
Snoke, D. W.
e051ed04-52c3-4c18-a5ad-caa3c8c29f59
Myers, D. M.
2f94d532-2cdf-483e-817a-5af937ae1a2a
Ozden, B.
3097bc1c-8c08-46da-9f52-ecc4911438cd
Steger, M.
e8b4ac1f-ce3e-411c-b189-ab7665db5100
Sedov, E.
09ed8f98-fb1e-44d5-a192-10b0c6541cd9
Kavokin, A.
70ffda66-cfab-4365-b2db-c15e4fa1116b
West, K.
7e29d428-59dd-4bbd-86ac-f3e2d4856f02
Pfeiffer, L. N.
419b87b8-e9c7-4c5f-9988-5945fbcdd010
Snoke, D. W.
e051ed04-52c3-4c18-a5ad-caa3c8c29f59

Myers, D. M., Ozden, B., Steger, M., Sedov, E., Kavokin, A., West, K., Pfeiffer, L. N. and Snoke, D. W. (2018) Superlinear increase of photocurrent due to stimulated scattering into a polariton condensate. Physical Review B, 98 (4). (doi:10.1103/PhysRevB.98.045301).

Record type: Article

Abstract

We show that when a monopolar current is passed through an n-i-n structure, superlinear photocurrent response occurs when there is a polariton condensate. This is in sharp contrast to the previously observed behavior for a standard semiconductor laser. Theoretical modeling shows that this is due to a stimulated exciton-exciton scattering process in which one exciton relaxes into the condensate, while another one dissociates into an electron-hole pair.

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e-pub ahead of print date: 2 July 2018
Published date: 2 July 2018

Identifiers

Local EPrints ID: 424944
URI: https://eprints.soton.ac.uk/id/eprint/424944
ISSN: 2469-9950
PURE UUID: 77eb011b-29b5-4f90-9a08-104e362f98af

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Date deposited: 05 Oct 2018 16:30
Last modified: 05 Oct 2018 16:30

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Contributors

Author: D. M. Myers
Author: B. Ozden
Author: M. Steger
Author: E. Sedov
Author: A. Kavokin
Author: K. West
Author: L. N. Pfeiffer
Author: D. W. Snoke

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