&lt;title&gt;Intersubband absorption in multiple quantum wells&lt;/title&gt;

Załużny, M.; Nalewajko, C.

doi:10.1117/12.276228

Cited by 1 publication

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“…18,19 ͑Preliminary results have already been presented. 20 ͒ The usefulness of the local susceptibility model for the description of the optical properties of MQW structures ͑connected with radiative IPP's͒ was recently demonstrated by Dupont et al 21 In the next section we discuss the dispersion relation corresponding to the hybrid ͑nonradiative͒ polariton modes excited in ''metal-MQW-dielectric'' structures. The manifestation of the above modes in ATR spectra is investigated in Sec.…”

Section: Introductionmentioning

confidence: 94%

Resonant coupling between metal surface plasmons and intersubband plasmons and its manifestation in attenuated total reflection spectra

2002

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Resonant coupling between metal surface plasmons ͑MSP's͒ and intersubband plasmons ͑IP's͒ excited in ''metal-multiple quantum well-dielectric'' structures is discussed theoretically, taking into account the retardation effects. The nonradiative electromagnetic modes of the structures have been calculated modeling a multiple quantum well slab by a uniform uniaxial effective medium. The results obtained indicate that in the frequency region of intersubband excitations hybrid MSP-IP-photon modes are formed. We demonstrate that, in general, the normal-mode spectrum consists of two sets of branches separated by a gap. The manifestation of the hybrid modes in attenuated total reflection spectra is considered in detail.

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Section: Introductionmentioning

confidence: 94%