PACS: 78.47. +p, 78.67. Hc

“Multicoloured” superradiance in quantum heterostructures
O.O. Pikaruk1, A.I. Klimovskaya2, Yu.A. Driga2, E.G. Gule2

V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine, 41, prospekt Nauky, 03028 Kyiv, Ukraine
1Phone: +380 (44) 2656340, fax. +38 044 265 54 30, E-mail: oleg@field.pp.kiev.ua
2tel. +380 (44) 2657091, fax. +38 044 265 54 30, E-mail: allaK@isp.kiev.ua

Abstract. The analysis of photoluminescence of heterostructures with single elastic-strained In0.16Ga0.84As quantum wells is carried out in this work. It is shown, that filling of a quantum well with many quantum subbands results in appearance multicolour superradiance.
Keywords: excitons, electroluminescence, internal quantum efficiency, silicon barrier structures.
Paper received 12.12.03; accepted for publication 00.00.00.

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