Broadband THz absorption spectrometer based on excitonic nonlinear optical effects

A broadly tunable THz source is realized via difference frequency generation, in which an enhancement to χ((3)) that is obtained via resonant excitation of III–V semiconductor quantum well excitons is utilized. The symmetry of the quantum wells (QWs) is broken by utilizing the built-in electric-fiel...

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Publicat a:Light Sci Appl
Autors principals: Majeed, Avan, Ivanov, Pavlo, Stevens, Benjamin, Clarke, Edmund, Butler, Iain, Childs, David, Kojima, Osamu, Hogg, Richard
Format: Artigo
Idioma:Inglês
Publicat: Nature Publishing Group UK 2019
Matèries:
Letter
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC6414654/
https://ncbi.nlm.nih.gov/pubmed/30886706
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41377-019-0137-y
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