Optical Phonons

Known as: Optical Phonon, Phonon, Optical, Phonons, Optical

Phonons generated by the effect of light on some crystals.

National Institutes of Health

Papers overview

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1996

In a polar semiconductor with a number of electrons or holes in the conduction or valence band, the interactions of an external…

1995

We have carried out real-time Raman measurements on GaAs crystals under 5-keV ${\mathrm{He}}^{+}$ irradiation and investigated…

1993

Raman spectra of (001) (GaAs${)}_{\mathit{m}}$(AlAs${)}_{\mathit{n}}$, 1\ensuremath{\le}m, n\ensuremath{\le}7 superlattices have…

1993

We present an experimental study of the nonequilibrium phonon population generated by the relaxation of hot carriers photoexcited…

1991

The controversy concerning the confinement of optical modes in superlattices concerns the use of electromagnetic (EM) or…

1989

The interaction of excitons with optical phonons is a significant contribution to the linewidth of excitons in quantum wells at…

1989

Obtention de la relation de dispersion par l'approche de la reflexion reguliere de Kliewer et Fuchs. Les courbes de dispersion…

1986

The exciton linewidth has been calculated in semiconducting quantum-well structures as a function of the width of the well when…

1986

1985

We report studies of the lattice dynamics and one-phonon absorption spectrum for the ..pi..-bonded-chain model of Si(111)2 x 1…