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Nonequilibrium condensates and lasers without inversion: Exciton-polariton lasers
Abstract
We analyze elementary properties of exciton and polariton lasers --- devices that generate coherent optical and matter waves using final-state stimulation of exciton-phonon scattering. First we discuss the relation between the conditions for the onset of equilibrium and nonequilibrium excitonic condensates. Provided that the thermal de Broglie wavelength ${\ensuremath{\lambda}}_{\mathit{T}}$ exceeds the exciton Bohr radius ${\mathit{a}}_{\mathit{B}}$, an exciton laser operates without electronic population inversion. In contrast to previous proposals, this is a different type of laser without inversion which utilizes many-body coherences. When the excitonic character of the polariton branch vanishes, a polariton laser becomes indistinguishable from a photon laser. \textcopyright{} 1996 The American Physical Society.
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Citations
Cited by
Carusotto, I., & Ciuti, C. (2013) · Reviews of Modern Physics · doi:10.1103/revmodphys.85.299 · Cited by 1,996
Room-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
Kéna-Cohen, S., & Forrest, S. R. (2010) · Nature Photonics · doi:10.1038/nphoton.2010.86 · Cited by 942
Sub-cycle switch-on of ultrastrong light–matter interaction
Günter, G., Anappara, A. A., Hees, J., Sell, A., Biasiol, G., Sorba, L., De Liberato, S., Ciuti, C., Tredicucci, A., Leitenstorfer, A., et al. (2009) · Nature · doi:10.1038/nature07838 · Cited by 586
Keldysh field theory for driven open quantum systems
Sieberer, L. M., Buchhold, M., & Diehl, S. (2016) · Reports on Progress in Physics · doi:10.1088/0034-4885/79/9/096001 · Cited by 568
Metadata
- Authors
- Imamog¯lu, A., Ram, R. J., Pau, S., & Yamamoto, Y.
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 1996-06-01
- Volume
- 53
- Issue
- 6
- Pages
- 4250-4253
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W2070587062
- Cited by
- 644
- References
- 0
- FWCI
- 5.04
- Type
- journal article
- Language
- en
- Open access
- closed
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- Imamog¯lu, A., Ram, R. J., Pau, S., & Yamamoto, Y. (1996). Nonequilibrium condensates and lasers without inversion: Exciton-polariton lasers. Physical Review A. https://doi.org/10.1103/physreva.53.4250
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