Generation of high-frequency coherent acoustic phonons in a weakly coupled superlattice

Applied Physics Letters

Volumn 74, Issue 23, 1999, Pages 3525-3527

  Glavin, B A ^a   Kochelap, V A ^a   Linnik, T L ^a  

^a INSTITUTE OF SEMICONDUCTOR PHYSICS   (Ukraine)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000904794     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.124149     Document Type: Article

References (16)

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5. J. H. McFee, in Physical Acoustic, edited by W. P. Masson (Academic, New York, 1966), Vol. IV, p. 1.
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9. Since electron concentrations are equal for all QW, this type of the population inversion can be called a partial inversion analogously to the typical inversion in molecular lasers on vibrational-rotational transitions, see, for example O. Svelto, Principles of Lasers (Plenum, New York, 1989).
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12. Note, the phonon instability was discussed in terms of hypersound amplification for semiconductors with narrow conduction bands: [S. B. Kruchkov, B. A. Yakovlev, Sov. Phys. Semicond. 11, 590 (1977), E. M. Epstein, ibid., 13, 611 (1979)]. In the latter paper, particularly, the case similar to our work (θ≪1) was briefly analyzed for nondegenerate carriers.
13. Note, the phonon instability was discussed in terms of hypersound amplification for semiconductors with narrow conduction bands: [S. B. Kruchkov, B. A. Yakovlev, Sov. Phys. Semicond. 11, 590 (1977), E. M. Epstein, ibid., 13, 611 (1979)]. In the latter paper, particularly, the case similar to our work (θ≪1) was briefly analyzed for nondegenerate carriers.
14. F. Vasko, Fiz. Tekh. Poluprovodn. 26, 825 (1992) [Sov. Phys. Semicond. 26, 464 (1992)].
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