Investigation of coherent acoustic phonons in THz quantum cascade laser structures

Investigation of coherent acoustic phonons in THz quantum cascade laser structures

Coherent zone folded acoustic phonons in terahertz quantum cascade laser (QCL) structures [1] are investigated by high-speed asynchronous optical sampling [2]. This method is based on two Ti:sapphire lasers with repetition rates of 1 GHz respectively. The time delay between pump and probe pulse is a...

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Autors principals:	Hettich, M, Bruchhausen, A, Lloyd-Hughes, J, Gebs, R, Bartels, A, Fischer, M, Beck, M, Scalari, G, Faist, J, Dekorsy, T
Format:	Conference item
Publicat:	2011

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