Non-equilibrium longitudinal and transverse optical phonons in terahertz quantum cascade lasers

We report on the experimental observation of non-equilibrium longitudinal (LO) and interface transverse-like (IF-TO) optical phonons populations associated with electron transport in resonant-phonon THz quantum-cascade lasers. The measured LO-phonon occupation numbers are in excellent agreement with...

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Bibliographic Details
Main Authors: Vitiello, Miriam S., Iotti, Rita C., Rossi, Fausto, Mahler, Lukas, Tredicucci, Alessandro, Beere, Harvey E., Ritchie, David A., Hu, Qing, Scamarcio, Gaetano
Other Authors: Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Format: Article
Language:en_US
Published: American Institute of Physics (AIP) 2014
Online Access:http://hdl.handle.net/1721.1/86352
https://orcid.org/0000-0003-1982-4053