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

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

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

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.

Original languageEnglish (US)
Article number045301
JournalPhysical Review B
Volume98
Issue number4
DOIs
StatePublished - Jul 2 2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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