0000000000195324

AUTHOR

Marco Cassataro

showing 3 related works from this author

Counter-propagating difference frequency mixing in diamond with terahertz waves

2013

We investigate four-wave mixing between terahertz and optical pulses in diamond. We observe the occurrence of sum and difference frequency generation, with the latter being phase-matched for terahertz pulses counter-propagating to the optical field.

Physicsbusiness.industryTerahertz radiationDifference-frequency generationTerahertznonlinear opticsPhysics::OpticsNonlinear opticsDiamondOptical fieldengineering.materialSettore ING-INF/01 - ElettronicaOptical fieldOptical pumpingFour-wave mixingOpticsCross-polarized wave generationengineeringDifference-frequency mixingOptoelectronicsTera HertzbusinessCounterpropagatingMixing (physics)
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Counter-propagating frequency mixing with Terahertz waves in diamond

2013

Frequency conversion by means of Kerr nonlinearity is one of the most common and exploited nonlinear optical processes in the UV, visible, IR, and mid-IR spectral regions. Here we show that wave mixing of an optical field and a terahertz wave can be achieved in diamond, resulting in the frequency conversion of the terahertz radiation either by sum- or difference-frequency generation. In the latter case, we show that this process is phase matched and most efficient in a counterpropagating geometry.

TA1501Materials scienceNonlinear optical proceTerahertz radiationDifference-frequency generationFOS: Physical sciencesTerahertz radiationPhysics::Opticsengineering.materialOptical fieldKerr nonlinearitySettore ING-INF/01 - Elettronica01 natural sciences010309 opticsNonlinear opticalFrequency conversionOpticsThz radiation0103 physical sciencesFrequency mixing010306 general physicsCounterpropagatingQCMixing (physics)business.industryFrequency mixingWave mixingDiamondSettore ING-INF/02 - Campi ElettromagneticiNONLINEAR-OPTICAL SUSCEPTIBILITY; 2ND-HARMONIC GENERATION; FIELD; RADIATION; GUIDESAtomic and Molecular Physics and OpticsQC0350Optical fieldSpectral regionengineeringbusinessOptics (physics.optics)Physics - Optics
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Counter-propagating difference-frequency generation in diamond with terahertz fields

2013

The nonlinear interaction of terahertz (THz) pulses with optical fields in Kerr, gaseous media is a key ingredient for broadband THz detection schemes [1]. Terahertz field-induced second harmonic generation in solid-state media has also been considered for THz detection and as a tool e.g. for liquid dynamics investigations [2,3], while four-wave mixing has been addressed as a possible mechanism for THz generation [4,5]. © 2013 IEEE.

PhysicsKerr effectSum-frequency generationTerahertz radiationbusiness.industryNonlinear opticPhysics::OpticsDiamondSecond-harmonic generationengineering.materialSettore ING-INF/01 - ElettronicaTerahertz spectroscopy and technologyFour-wave mixingOpticsCross-polarized wave generationQuantum electronicsengineeringOptoelectronicsbusiness
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