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Coupling of InGaN quantum-well photoluminescence to silver surface plasmons
Abstract
The coincidence in excitation energy between surface plasmons on silver and the GaN band gap is exploited to couple the semiconductor spontaneous emission into the metal surface plasmons. A 3-nm InGaN/GaN quantum well (QW) is positioned 12 nm from an 8-nm silver layer, well within the surface plasmon fringing field depth. A spectrally sharp photoluminescence dip, by a factor \ensuremath{\approx}55, indicates that electron-hole energy is being rapidly transferred to plasmon excitation, due to the spatial overlap between the semiconductor QW and the surface plasmon electric field. Thus, spontaneous emission into surface plasmons is \ensuremath{\approx}55 times faster than normal spontaneous emission from InGaN quantum wells. If efficient antenna structures can be incorporated into the metal film, there could be a corresponding increase in external light emission efficiency.
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Cites
Enhanced Spontaneous Emission by Quantum Boxes in a Monolithic Optical Microcavity
Gérard, J., Sermage, B., Gayral, B., Legrand, B., Costard, E., & Thierry-Mieg, V. (1998) · Physical Review Letters · doi:10.1103/physrevlett.81.1110 · Cited by 1,133
Cited by
Squeezing Visible Light Waves into a 3-nm-Thick and 55-nm-Long Plasmon Cavity
Miyazaki, H. T., & Kurokawa, Y. (2006) · Physical Review Letters · doi:10.1103/physrevlett.96.097401 · Cited by 561
Theoretical Studies of Plasmonics using Electronic Structure Methods
Morton, S. M., Silverstein, D. W., & Jensen, L. (2011) · Chemical Reviews · doi:10.1021/cr100265f · Cited by 474
Enhancement of Light Extraction from Light Emitting Diodes
Zhmakin, A. I. (2011) · Physics Reports · doi:10.1016/j.physrep.2010.11.001 · Cited by 312
Metadata
- Authors
- Gontijo, I., Boroditsky, M., Yablonovitch, E., Keller, S., Mishra, U. K., & DenBaars, S. P.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1999-10-15
- Volume
- 60
- Issue
- 16
- Pages
- 11564-11567
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2033539709
- Cited by
- 344
- References
- 1
- FWCI
- 1.05
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gontijo, I., Boroditsky, M., Yablonovitch, E., Keller, S., Mishra, U. K., & DenBaars, S. P. (1999). Coupling of InGaN quantum-well photoluminescence to silver surface plasmons. Physical Review B. https://doi.org/10.1103/physrevb.60.11564
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