Confined and interface optical phonons in quantum wells and quantum wires

Michael A. Stroscio; Gerald J. Iafrate; Ki Wook Kim; Michael A. Littlejohn; Amit R. Bhatt; Mitra B. Dutta

doi:10.1117/12.141409

28 January 1993 Confined and interface optical phonons in quantum wells and quantum wires

Michael A. Stroscio, Gerald J. Iafrate, Ki Wook Kim, Michael A. Littlejohn, Amit R. Bhatt, Mitra B. Dutta

Proceedings Volume 10267, Integrated Optics and Optoelectronics: A Critical Review; 102670M (1993) https://doi.org/10.1117/12.141409
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

As device dimensions in nanoscale structures and mesoscopic devices are reduced, the characteristics and interactions of dimensionally-confined longitudinal-optical (LO) phonons deviate substantially from those of bulk polar semiconductors. This account emphasizes the properties of LO-phonon modes arising in polar-semiconductor quantum wells and quantum wires. In particular, this review highlights recent results of both microscopic and macroscopic models of LO phonons in polar-semiconductor quantum wells and quantum wires with a variety of cross sectional geometries. Emphasis is placed on the dielectric continuum model of confined and interface phonons. In addition, this review provides brief discussions of how carrier-LO-phonon interactions change in the presence of dynamical screening. Finally, the use of metal-semiconductor heterointerfaces to reduce unwanted inelastic scattering in nanoscale electronic and optoelectronic structures is discussed.

Citation Download Citation

Michael A. Stroscio, Gerald J. Iafrate, Ki Wook Kim, Michael A. Littlejohn, Amit R. Bhatt, and Mitra B. Dutta "Confined and interface optical phonons in quantum wells and quantum wires", Proc. SPIE 10267, Integrated Optics and Optoelectronics: A Critical Review, 102670M (28 January 1993); https://doi.org/10.1117/12.141409

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