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Title: Polariton-Enhanced Exciton Transport

Abstract

The transport distance of excitons in exciton-polariton systems has previously been assumed to be very small (≲1μm). The sharp spatial profiles observed when generating polaritons by nonresonant optical excitation show that this assumption is generally true. In this paper, however, we show that the transport distances of excitons in two-dimensional planar cavity structures with even a slightly polaritonic character are much longer than expected (≈ 20μm). Although this population of slightly polaritonic excitons is normally small compared to the total population of excitons, they can substantially outnumber the population of the polaritons at lower energies, leading to important implications for the tailoring of potential landscapes and the measurement of interactions between polaritons.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1491445
Report Number(s):
NREL/JA-5K00-73113
Journal ID: ISSN 2469-9950; PRBMDO
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Journal Article
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 98; Journal Issue: 23; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; exciton polariton; excitons; transport distances

Citation Formats

Myers, D. M., Mukherjee, S., Beaumariage, J., Snoke, D. W., Steger, M., Pfeiffer, L. N., and West, K.. Polariton-Enhanced Exciton Transport. United States: N. p., 2018. Web. doi:10.1103/PhysRevB.98.235302.
Myers, D. M., Mukherjee, S., Beaumariage, J., Snoke, D. W., Steger, M., Pfeiffer, L. N., & West, K.. Polariton-Enhanced Exciton Transport. United States. doi:10.1103/PhysRevB.98.235302.
Myers, D. M., Mukherjee, S., Beaumariage, J., Snoke, D. W., Steger, M., Pfeiffer, L. N., and West, K.. Sat . "Polariton-Enhanced Exciton Transport". United States. doi:10.1103/PhysRevB.98.235302.
@article{osti_1491445,
title = {Polariton-Enhanced Exciton Transport},
author = {Myers, D. M. and Mukherjee, S. and Beaumariage, J. and Snoke, D. W. and Steger, M. and Pfeiffer, L. N. and West, K.},
abstractNote = {The transport distance of excitons in exciton-polariton systems has previously been assumed to be very small (≲1μm). The sharp spatial profiles observed when generating polaritons by nonresonant optical excitation show that this assumption is generally true. In this paper, however, we show that the transport distances of excitons in two-dimensional planar cavity structures with even a slightly polaritonic character are much longer than expected (≈ 20μm). Although this population of slightly polaritonic excitons is normally small compared to the total population of excitons, they can substantially outnumber the population of the polaritons at lower energies, leading to important implications for the tailoring of potential landscapes and the measurement of interactions between polaritons.},
doi = {10.1103/PhysRevB.98.235302},
journal = {Physical Review B},
issn = {2469-9950},
number = 23,
volume = 98,
place = {United States},
year = {2018},
month = {12}
}