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Coupling efficiency of metallic gratings for excitation of intersubband transitions in quantum-well structures

  • SUNY Buffalo

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A numerical calculation of the coupling efficiency for a perfectly conducting metallic grating for intersubband transitions in semiconductor quantum wells is presented as a function of the ratio of the grating period p to the intersubband resonance wavelength λ for various degrees of metal filling. The effect of grating parameters on the conversion efficiency is discussed. Results provide detailed guidelines for obtaining optimum coupling for infrared devices.

Original languageEnglish
Pages (from-to)1038-1040
Number of pages3
JournalJournal of Applied Physics
Volume71
Issue number2
DOIs
StatePublished - 1992

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