DUAL-FREQUENCY VERTICAL-EXTERNAL-CAVITY SURFACE-EMITTING LASER DEVICE FOR GENERATING THZ AND METHOD FOR GENERATING THZ

The invention relates to a laser device (100) for generating an optical wave (107) including at least two frequencies, wherein one such laser device (100) includes: a first element (111) including a gain region (104), a second mirror (106) that is separate from the first element (111) and is arrange...

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Main Authors BLIN, STÉPHANE, PAQUET, ROMAIN, MYARA, MIKHAEL, SAGNES, ISABELLE, GARNACHE-CREUILLOT, ARNAUD, BEAUDOIN, GRÉGOIRE, SELLAHI, MOHAMED
Format Patent
LanguageEnglish
French
Published 24.03.2016
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Summary:The invention relates to a laser device (100) for generating an optical wave (107) including at least two frequencies, wherein one such laser device (100) includes: a first element (111) including a gain region (104), a second mirror (106) that is separate from the first element (111) and is arranged so as to form, together with the first mirror (103), an optical cavity including the gain region (104), and means (120) for pumping the gain region (104) so as to generate the optical wave (107). Said laser device (100) further includes: means for shaping the light intensity of the optical wave (107), which means are arranged to select at least two transverse modes of the optical wave (107); and means for shaping the longitudinal and/or transverse phase profile of the optical wave (107), which means are arranged to adjust the at least two transverse modes of the optical wave (107). Dispositif laser 100 de génération d'une onde optique 107 comprenant au moins deux fréquences, un tel dispositif laser 100 comprenant: un premier élément 111 comprenant une région de gain 104, un second miroir 106, distinct du premier élément 111, et agencé de façon à former avec le premier miroir 103 une cavité optique incluant la région de gain 104, des moyens de pompage 120 de la région de gain 104 de façon à générer l'onde optique 107, lequel dispositif laser 100 comprennant en outre: des moyens de mise en forme de l'intensité lumineuse de l'onde optique 107 agencés pour sélectionner au moins deux modes transverses de l'onde optique 107; des moyens de mise en forme du profil de phase longitudinal et/ou transversal de l'onde optique 107 et agencés pour régler les au moins deux modes transverses de l'onde optique 107.
Bibliography:Application Number: WO2015EP71139