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Measurement of the intrinsic linewidth of terahertz quantum cascade lasers using a near- infrared frequency comb

hal.structure.identifierLaboratoire Matériaux et Phénomènes Quantiques [MPQ (UMR_7162)]
dc.contributor.authorRAVARO, Marco
hal.structure.identifierLaboratoire Matériaux et Phénomènes Quantiques [MPQ (UMR_7162)]
dc.contributor.authorBARBIERI, Stefano
hal.structure.identifierlp2n-06,lp2n-14
dc.contributor.authorSANTARELLI, Giorgio
hal.structure.identifierLaboratoire Matériaux et Phénomènes Quantiques [MPQ (UMR_7162)]
dc.contributor.authorJAGTAP, Vishal
hal.structure.identifierLaboratoire Matériaux et Phénomènes Quantiques [MPQ (UMR_7162)]
dc.contributor.authorMANQUEST, Christophe
hal.structure.identifierLaboratoire Matériaux et Phénomènes Quantiques [MPQ (UMR_7162)]
dc.contributor.authorSIRTORI, Carlo
hal.structure.identifierSchool of Electronic and Electrical Engineering
dc.contributor.authorKHANNA, Suraj
hal.structure.identifierSchool of Electronics and Electrical Engineering
dc.contributor.authorLINFIELD, Edmund
dc.date.accessioned2023-05-12T10:24:03Z
dc.date.available2023-05-12T10:24:03Z
dc.date.issued2012-10-29
dc.identifier.issn1094-4087
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/181200
dc.description.abstractEnWe report the measurement of the frequency noise power spectral density of a quantum cascade laser emitting at 2.5THz. The technique is based on heterodyning the laser emission frequency with a harmonic of the repetition rate of a near-infrared laser comb. This generates a beatnote in the radio frequency range that is demodulated using a tracking oscillator allowing measurement of the frequency noise. We find that the latter is strongly affected by the level of optical feedback, and obtain an intrinsic linewidth of ~230Hz, for an output power of 2mW.
dc.language.isoen
dc.publisherOptical Society of America - OSA Publishing
dc.subject.enInfrared and far-infrared lasers
dc.subject.enSemiconductor lasers
dc.subject.enquantum cascade
dc.subject.enCoherence
dc.subject.enInfrared and far-infrared lasers.
dc.title.enMeasurement of the intrinsic linewidth of terahertz quantum cascade lasers using a near- infrared frequency comb
dc.typeArticle de revue
dc.identifier.doi10.1364/OE.20.025654
dc.subject.halPhysique [physics]/Physique [physics]/Optique [physics.optics]
bordeaux.journalOptics Express
bordeaux.page25654-25661
bordeaux.volume20
bordeaux.hal.laboratoriesLaboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298*
bordeaux.issue23
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-00813600
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00813600v1
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