http://www.cnr.it/ontology/cnr/individuo/prodotto/ID888
Electron-lattice coupling in bound-to-continuum THz quantum-cascade lasers (Articolo in rivista)
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- Label
- Electron-lattice coupling in bound-to-continuum THz quantum-cascade lasers (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.211301 (literal)
- Alternative label
Vitiello, MS; Scamarcio, G; Spagnolo, V; Losco, T; Green, RP; Tredicucci, A; Beere, HE; Ritchie, DA (2006)
Electron-lattice coupling in bound-to-continuum THz quantum-cascade lasers
in Applied physics letters
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Vitiello, MS; Scamarcio, G; Spagnolo, V; Losco, T; Green, RP; Tredicucci, A; Beere, HE; Ritchie, DA (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Bari, CNR, INFM, Reg Lab LIT3, I-70126 Bari, Italy; Univ Bari, Dipartimento Interateneo Fis M Merlin, I-70126 Bari, Italy; NEST, CNR, INFM, I-56126 Pisa, Italy; Scuola Normale Super Pisa, I-56126 Pisa, Italy; Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England (literal)
- Titolo
- Electron-lattice coupling in bound-to-continuum THz quantum-cascade lasers (literal)
- Abstract
- We measured the thermal resistance (R=20.1 K/W) and the electrical power dependence of the electronic temperature (R-e=27.0 K/W) of THz quantum-cascade lasers (QCLs) with bound-to-continuum active region scheme in the lattice temperature range of 30-100 K. This information, obtained from the analysis of microprobe photoluminescence spectra for QCLs operating at 2.5 THz, gives an electron-lattice energy relaxation rate (0.1 ps(-1)) similar to 50 times lower than THz QCLs with resonant-phonon active region scheme. (literal)
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