The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.
Polariton lasing vs. photon lasing in a semiconductor microcavity
Open accessAbstract
Nearly one decade after the first observation of Bose–Einstein condensation in atom vapors and realization of matter-wave (atom) lasers, similar concepts have been demonstrated recently for polaritons: half-matter, half-light quasiparticles in semiconductor microcavities. The half-light nature of polaritons makes polariton lasers promising as a new source of coherent and nonclassical light with extremely low threshold energy. The half-matter nature makes polariton lasers a unique test bed for many-body theories and cavity quantum electrodynamics. In this article, we present a series of experimental studies of a polariton laser, exploring its properties as a relatively dense degenerate Bose gas and comparing it to a photon laser achieved in the same structure. The polaritons have an effective mass that is twice the cavity photon effective mass, yet seven orders of magnitude less than the hydrogen atom mass; hence, they can potentially condense at temperatures seven orders of magnitude higher than those required for atom Bose–Einstein condensations. Accompanying the phase transition, a polariton laser emits coherent light but at a threshold carrier density two orders of magnitude lower than that needed for a normal photon laser in a same structure. It also is shown that, beyond threshold, the polariton population splits to a thermal equilibrium Bose–Einstein distribution at in-plane wave number k ∥ > 0 and a nonequilibrium condensate at k ∥ > 0, with a chemical potential approaching to zero. The spatial distributions and polarization characteristics of polaritons also are discussed as unique signatures of a polariton laser.
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Cites
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Cited by
Carusotto, I., & Ciuti, C. (2013) · Reviews of Modern Physics · doi:10.1103/revmodphys.85.299 · Cited by 1,996
Bose-Einstein Condensation of Microcavity Polaritons in a Trap
Balili, R., Hartwell, V., Snoke, D., Pfeiffer, L., & West, K. (2007) · Science · doi:10.1126/science.1140990 · Cited by 1,246
Self-citationRoom-Temperature Polariton Lasing in Semiconductor Microcavities
Christopoulos, S., von Högersthal, G. B. H., Grundy, A. J. D., Lagoudakis, P. G., Kavokin, A. V., Baumberg, J. J., Christmann, G., Butté, R., Feltin, E., Carlin, J.-F., et al. (2007) · Physical Review Letters · doi:10.1103/physrevlett.98.126405 · Cited by 1,020
Room-Temperature Polariton Lasing in an Organic Single-Crystal Microcavity
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Room-Temperature Bose–Einstein Condensation of Cavity Exciton–Polaritons in a Polymer
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Metadata
- Authors
- Deng, H., Weihs, G., Snoke, D., Bloch, J., & Yamamoto, Y.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2003-12-12
- Volume
- 100
- Issue
- 26
- Pages
- 15318-15323
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2082384907
- Cited by
- 465
- References
- 25
- FWCI
- 4.43
- Type
- journal article
- Language
- en
- Open access
- green
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- Deng, H., Weihs, G., Snoke, D., Bloch, J., & Yamamoto, Y. (2003). Polariton lasing vs. photon lasing in a semiconductor microcavity. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2634328100
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