Superlinear increase of photocurrent due to stimulated scattering into a polariton condensate
Journal Article
·
· Physical Review B
- Univ. of Pittsburgh, PA (United States)
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Univ. of Southampton (United Kingdom); Vladimir State Univ., Vladimir (Russian Federation)
- Univ. of Southampton (United Kingdom); St. Petersburg State Univ. (Russian Federation); National Research Council (CNR), Rome (Italy). Inst. for Superconductors, Innovative Materials and Devices (CNR-SPIN)
- Princeton Univ., NJ (United States)
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.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- Grant/Contract Number:
- AC36-08GO28308
- OSTI ID:
- 1462333
- Report Number(s):
- NREL/JA--5K00-72041
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 4 Vol. 98; ISSN 2469-9950; ISSN PRBMDO
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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