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Subcycle Extreme Nonlinearities in GaP Induced by an Ultrastrong Terahertz Field

Publications associées (60)

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Spatiotemporal Focusing Dynamics of Intense Supercontinuum THz Pulses

Christoph Peter Hauri

High-field terahertz (THz) single-cycle pulses with 1.5 MV/cm are generated by optical rectification in the stilbazolium salt crystal 4-N, N-dimethylamino-4'-N'-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate. We show experimentally that the generated ...

Amer Physical Soc2013

High-energy terahertz pulses are produced by optical rectification (OR) in organic crystals 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) and 4-N,N-dimethylamino-4'-N'-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate (DSTMS) by a Ti: sapphire ...

Optical Soc Amer2013

Laser-driven generation of intense single-cycle THz field

Christoph Peter Hauri, Fernando Ardana Lamas

We report on laser-based, high power single-cycle THz source. The THz radiation is generated by four-wave mixing in plasma and by optical rectification in organic salt crystal pumped by powerful optical parametric amplifier. The first approach permits the ...

2012

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We present a broadband two-dimensional transient absorption setup for the UV around 300 nm with a time resolution of 150 fs. A narrowband, frequency tunable pump pulse and a broadband probe pulse are generated from the output of a noncollinear optical para ...

Optical Society of America2012

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We demonstrate the construction of modular corrugated waveguides using stacked rings to propagate Terahertz frequencies. This waveguide allows propagation of the same fundamental mode as an optical-fiber, namely the HE 11 mode. This simple concept opens th ...

IEEE2011

Note: Stacked rings for terahertz wave-guiding

Stefano Alberti, Jean-Philippe Ansermet, Jean-Philippe Hogge, Emile Jacques de Rijk, Alessandro Macor

We demonstrate the construction of corrugated waveguides using stacked rings to propagate terahertz frequencies. The waveguide allows propagation of the same fundamental mode as an optical-fiber, namely, the HE11 mode. This simple concept opens the way for ...

American Institute of Physics2011

Stacked rings for terahertz wave-guiding

Stefano Alberti, Jean-Philippe Ansermet, Jean-Philippe Hogge, Alessandro Macor

We demonstrate the construction of corrugated waveguides using stacked rings to propagate terahertz frequencies. The waveguide allows propagation of the same fundamental mode as an optical-fiber, namely, the H E11 mode. This simple concept opens the way fo ...

American Institute of Physics2011

Towards High-power Single-cycle THz Laser for Initiating High-field-sensitive Phenomena

Christoph Peter Hauri, Fernando Ardana Lamas

Powerful THz radiation confined in one field period or less is an adequate tool for triggering nonlinear actions. We show results towards the realization of a tunable high-power THz source based on a laser-driven frequency conversion scheme in plasma and n ...

2011

Strong-field single-cycle THz pulses generated in an organic crystal

Christoph Peter Hauri, Fernando Ardana Lamas

We present high-power single-cycle carrier-envelope phase locked THz pulses at a central frequency of 2.1 THz with MV/cm electric field strengths and magnetic field strengths beyond 0.3 T. The THz radiation is generated by optical rectification in an organ ...

American Institute of Physics2011

Photosensitivity and luminescence of chromium and bismuth doped fibers

Christian Ban

Optical fiber materials with broad-band gain in the visible or in the telecommunication window are of great interest for optical communication or the biomedical domain in order to built integrated tunable lasers, amplifiers, ultra-short pulse lasers, or br ...

EPFL2009