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We report a broadband mid-infrared frequency comb with three-optical-cycle pulse duration centered around 4.2 µm, via half-harmonic generation using orientation-patterned GaP (OP-GaP) with ~43% conversion efficiency. We experimentally compare performance of GaP with GaAs and lithium niobate as the nonlinear element, and show how properties of GaP at this wavelength lead to generation of the shortest pulses and the highest conversion efficiency. These results shed new light on half-harmonic generation of frequency combs, and pave the way for generation of short-pulse intrinsically-locked frequency combs at longer wavelengths in the mid-infrared with high conversion efficiencies.

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Caltech Authors  


Sorokin, Evgeni -  Marandi, Alireza -  Schunemann, Peter G. -  Fejer, M. M. -  Byer, Robert L. -  Sorokina, Irina T. - 

Id.: 71382800

Versión: 1.0

Estado: Final

Tipo:  application/pdf - 

Tipo de recurso: Article  -  PeerReviewed  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

Formatos:  application/pdf - 

Requerimientos técnicos:  Browser: Any - 

Relación: [References] http://resolver.caltech.edu/CaltechAUTHORS:20180608-154512764
[References] https://authors.library.caltech.edu/86948/

Fecha de contribución: 09-jun-2018


* Sorokin, Evgeni and Marandi, Alireza and Schunemann, Peter G. and Fejer, M. M. and Byer, Robert L. and Sorokina, Irina T. (2018) Efficient half-harmonic generation of three-optical-cycle mid-IR frequency comb around 4 µm using OP-GaP. Optics Express, 26 (8). pp. 9963-9971. ISSN 1094-4087. http://resolver.caltech.edu/CaltechAUTHORS:20180608-154512764

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