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Condensed Matter > Quantum Gases

Title: Superlinear Increase of Photocurrent due to Stimulated Scattering into a Polariton Condensate

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 stimulated exciton-exciton scattering process in which one exciton relaxes into the condensate, while another one dissociates into an electron-hole pair.
Comments: 9 pages with four figures, plus supplementary information with four figures
Subjects: Quantum Gases (cond-mat.quant-gas); Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:1710.10920 [cond-mat.quant-gas]
  (or arXiv:1710.10920v2 [cond-mat.quant-gas] for this version)

Submission history

From: David Snoke [view email]
[v1] Mon, 30 Oct 2017 13:07:37 GMT (2894kb,D)
[v2] Tue, 13 Mar 2018 12:57:51 GMT (2245kb,D)