http://www.cnr.it/ontology/cnr/individuo/prodotto/ID2803
Improved thermal management of mid-IR quantum cascade lasers (Articolo in rivista)
- Type
- Label
- Improved thermal management of mid-IR quantum cascade lasers (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.2840136 (literal)
- Alternative label
Spagnolo, V; Lops, A; Scamarcio, G; Vitiello, MS; Di Franco, C (2008)
Improved thermal management of mid-IR quantum cascade lasers
in Journal of applied physics
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Spagnolo, V; Lops, A; Scamarcio, G; Vitiello, MS; Di Franco, C (literal)
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- \"[Spagnolo, Vincenzo; Lops, Antonia; Scamarcio, Gaetano; Vitiello, Miriam S.; Di Franco, Cinzia] CNR, INFM, Reg Lab LIT3, I-70126 Bari, Italy; [Spagnolo, Vincenzo] Politecn Bari, Dipartimento Interateneo Fis, I-70126 Bari, Italy; [Lops, Antonia; Scamarcio, Gaetano; Vitiello, Miriam S.] Univ Bari, Dipartimento Interateneo Fis, I-70126 Bari, Italy (literal)
- Titolo
- Improved thermal management of mid-IR quantum cascade lasers (literal)
- Abstract
- We compared the thermal performance of mid-IR GaInAs/AlInAs quantum cascade lasers (QCLs) having identical gain medium, but different heat sinking configurations. By using a two-dimensional anisotropic thermal model, we have calculated the temperature profiles and the heat flow patterns of ridge waveguide QCLs, either buried or planarized, and mounted substrate-side or epilayer-side down. Device planarization with Y2O3:Si3N4 dielectric layers gives an similar to 7% reduction of the device thermal resistance with respect to InP buried heterostructures. If this planarization is combined with thick gold electroplating and epilayer-side mounting of the device, the thermal resistance is reduced by similar to 34% and similar to 50%, respectively, with respect to conventional ridge waveguide structures. (c) 2008 American Institute of Physics. (literal)
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