Direct modulation and bandwitdh measurement of terahertz quantum cascade laser | Zendy

Yoann Petitjean | Zendy; Fabien Destic | Zendy; S. Barbieri | Zendy; Carlo Sirtori | Zendy; Jean-Claude Mollier | Zendy

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Direct modulation and bandwitdh measurement of terahertz quantum cascade laser

Author(s) -

Yoann Petitjean,

Fabien Destic,

S. Barbieri,

Carlo Sirtori,

Jean-Claude Mollier

Publication year - 2010

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.860335

Subject(s) - bandwidth (computing) , quantum cascade laser , cascade , laser , computer science , modulation (music) , terahertz radiation , frequency modulation , optics , physics , optoelectronics , telecommunications , acoustics , chemistry , chromatography

The authors present a home made cryogenic electro-optical probe station allowing the direct modulation of quantum cascade lasers up to 40GHz. Based on a QMC cryostat, it should make the QCL bandwidth measure possible and then help answering questions about the modulation possibilities of such a kind of laser. The experimental results will be compared to simulation bandwidth prediction based on a complete set of rate equations describing the dynamic behavior of the laser. Bandwidth will be then linked to the different intrinsic and structural parameters.

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