Special Section on Polaritons

Intersubband polaritonics revisited

[+] Author Affiliations
Oleksandr Kyriienko

University of Iceland, Science Institute, Dunhagi 3, IS-107, Reykjavik, Iceland

Nanyang Technological University, Division of Physics and Applied Physics, Singapore 637371, Singapore

Ivan A. Shelykh

University of Iceland, Science Institute, Dunhagi 3, IS-107, Reykjavik, Iceland

Nanyang Technological University, Division of Physics and Applied Physics, Singapore 637371, Singapore

J. Nanophoton. 6(1), 061804 (Nov 12, 2012). doi:10.1117/1.JNP.6.061804
History: Received June 27, 2012; Revised October 2, 2012; Accepted October 3, 2012
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Abstract.  We revisit the intersubband polaritonics—the branch of mesoscopic physics, which has a huge potential for optoelectronic applications in the infrared and terahertz domains—and find that, contrary to the general opinion, the Coulomb interactions play a crucial role in the processes of light-matter coupling in the considered systems. Electron-electron and electron-hole interactions radically change the nature of the elementary excitations in these systems. We find that intersubband polaritons represent the result of the coupling of a photonic mode with collective excitations—and not noninteracting electron-hole pairs as it was supposed in the previous works on the subject.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Oleksandr Kyriienko and Ivan A. Shelykh
"Intersubband polaritonics revisited", J. Nanophoton. 6(1), 061804 (Nov 12, 2012). ; http://dx.doi.org/10.1117/1.JNP.6.061804


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