Stable switching among high-order modes in polariton condensates
Author(s)
Khan, Saeed; Ge, Li; Steger, Mark; Pfeiffer, Loren N.; West, Ken; Türeci, Hakan E.; Snoke, David W.; Sun, Yongbao; Yoon, Yoseob; Nelson, Keith Adam; ... Show more Show less
DownloadPhysRevB.97.045303.pdf (1.357Mb)
PUBLISHER_POLICY
Publisher Policy
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Terms of use
Metadata
Show full item recordAbstract
We report multistate optical switching among high-order bouncing-ball modes (“ripples”) and whispering-gallery modes (“petals”) of exciton-polariton condensates in a laser-generated annular trap. By tailoring the diameter and power of the annular trap, the polariton condensate can be switched among different trapped modes, accompanied by redistribution of spatial densities and superlinear increase in the emission intensities, implying that polariton condensates in this geometry could be exploited for an all-optical multistate switch. A model based on non-Hermitian modes of the generalized Gross-Pitaevskii equation reveals that this mode switching arises from competition between pump-induced gain and in-plane polariton loss. The parameters for reproducible switching among trapped modes have been measured experimentally, giving us a phase diagram for mode switching. Taken together, the experimental result and theoretical modeling advance our fundamental understanding of the spontaneous emergence of coherence and move us toward its practical exploitation.
Date issued
2018-01Department
Massachusetts Institute of Technology. Department of ChemistryJournal
Physical Review B
Publisher
American Physical Society
Citation
Sun, Yongbao et al. "Stable switching among high-order modes in polariton condensates." Physical Review B 97, 4 (January 2018): 045303 © 2018 American Physical Society
Version: Final published version
ISSN
2469-9950
2469-9969