Search Results - "Schartner, Stephan"

Terahertz nonlinear optics using intra-excitonic quantum well transitions: Sideband generation and AC Stark splitting by Wagner, Martin, Schneider, Harald, Stehr, Dominik, Winnerl, Stephan, Andrews, Aaron M., Schartner, Stephan, Strasser, Gottfried, Helm, Manfred

“…We present experiments investigating nonlinear optics in the terahertz (THz) range related to the 1s–2p intra‐excitonic heavy‐hole transition in GaAs/AlGaAs…”
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Observation of the intraexciton Autler-Townes effect in GaAs/AlGaAs semiconductor quantum wells by Wagner, Martin, Schneider, Harald, Stehr, Dominik, Winnerl, Stephan, Andrews, Aaron M, Schartner, Stephan, Strasser, Gottfried, Helm, Manfred

“…The near-infrared transmission of a semiconductor multiple quantum well is probed under intense terahertz illumination. We observe clear evidence of the…”
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Surface emission from episide-down short distributed-feedback quantum cascade lasers by Schartner, Stephan, Austerer, Maximilian, Schrenk, Werner, Andrews, Aaron M, Klang, Pavel, Strasser, Gottfried

“…Increased coupling is observed in distributed-feedback quantum cascade lasers when placing a shallow second order grating between a continuous surface-plasmon…”
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Reversible switching of quantum cascade laser-modes using a pH-responsive polymeric cladding as transducer by Basnar, Bernhard, Schartner, Stephan, Austerer, Maximilian, Andrews, Aaron Maxwell, Roch, Tomas, Schrenk, Werner, Strasser, Gottfried

“…We present a novel approach for the reversible switching of the emission wavelength of a quantum cascade laser (QCL) using a halochromic cladding. An…”
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Photocurrent response from photonic crystal defect modes by Schartner, Stephan, Nobile, Michele, Schrenk, Werner, Andrews, Aaron M, Klang, Pavel, Strasser, Gottfried

“…The authors use a quantum well intersubband photodetector fabricated into a two dimensional photonic crystal to investigate the optical defect modes of a…”
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Low voltage-defect quantum cascade laser with heterogeneous injector regions by Hoffman, Anthony J, Schartner, Stephan, Howard, Scott S, Franz, Kale J, Towner, Fred, Gmachl, Claire

“…We demonstrate an In(0.635)Al(0.356)As/In(0.678)Ga(0.322)As strain compensated quantum cascade laser that employs heterogeneous injector regions for low…”
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Low voltage defect heterogeneous quantum cascade laser by Hoffman, A.J., Schartner, S., Howard, S.S., Franz, K.J., Towner, F., Gmachl, C.

“…We demonstrate a quantum cascade laser employing two different injector regions and matched 4.6 mum optical transitions for low-voltage-defect operation. The…”
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Reversible switching of QCL-modes using a pH-responsive polymeric cladding by Basnar, B., Schartner, S., Austerer, M., Andrews, A.M., Roch, T., Schrenk, W., Strasser, G.

“…We present a novel method for the reversible switching between different emission wavelengths for a grating-free mid-IR QCL utilizing the absorbance changes of…”
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Low-Voltage Defect Quantum Cascade Laser with Heterogeneous Injector Regions by Hoffman, A.J., Schartner, S., Howard, S.S., Franz, K.J., Towner, F., Gmachl, C.

“…We demonstrate a quantum cascade laser that uses two alternating injectors with matching 4.6 mum active regions that operates in pulsed mode up to room…”
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