Search Results - "Demmerle, Frederic"

Giant nonlinear response from plasmonic metasurfaces coupled to intersubband transitions by Lee, Jongwon, Tymchenko, Mykhailo, Argyropoulos, Christos, Chen, Pai-Yen, Lu, Feng, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus-Christian, Alù, Andrea, Belkin, Mikhail A.

“…Multiple-quantum-well semiconductors can provide one of the largest known nonlinear material responses, which is, however, geometrically limited to light beams…”
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Monolithic top emitting room temperature THz DFG QCL with index grating for wavelength selection by Schmeiduch, Hannes, Demmerle, Frederic, Oberhausen, Wolfhard

“…We present a high performance top emitting room temperature monolithic terahertz (THz) quantum cascade laser based on difference frequency generation (DFG) and…”
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Electrically tunable nonlinear polaritonic metasurface by Yu, Jaeyeon, Park, Seongjin, Hwang, Inyong, Kim, Daeik, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus-Christian, Belkin, Mikhail A., Lee, Jongwon

“…Nonlinear polaritonic metasurfaces created by the coupling of intersubband nonlinearities in semiconductor heterostructures with optical modes in…”
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Broadly tunable terahertz generation in mid-infrared quantum cascade lasers by Vijayraghavan, Karun, Jiang, Yifan, Jang, Min, Jiang, Aiting, Choutagunta, Karthik, Vizbaras, Augustinas, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus C., Belkin, Mikhail A.

“…Room temperature, broadly tunable, electrically pumped semiconductor sources in the terahertz spectral range, similar in operation simplicity to diode lasers,…”
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Spectroscopic Study of Terahertz Generation in Mid-Infrared Quantum Cascade Lasers by Jiang, Yifan, Vijayraghavan, Karun, Jung, Seungyong, Jiang, Aiting, Kim, Jae Hyun, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus C., Belkin, Mikhail A.

“…Terahertz quantum cascade laser sources based on intra-cavity difference-frequency generation are currently the only room-temperature mass-producible…”
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Single Stack Active Region Nonlinear Quantum Cascade Lasers for Improved THz Emission by Demmerle, Frederic, Bissinger, Jochen, Oberhausen, Wolfhard, Burghart, Dominik, Krakofsky, Jonas, Schmeiduch, Hannes, Boehm, Gerhard, Amann, M.-C

“…We present a single stack active region design for terahertz emission by difference frequency generation in quantum cascade lasers. The active region contains…”
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Giant Nonlinear Circular Dichroism from Intersubband Polaritonic Metasurfaces by Kim, Daeik, Yu, Jaeyeon, Hwang, Inyong, Park, Seongjin, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus-Christian, Belkin, Mikhail A, Lee, Jongwon

“…Nonlinear metasurfaces are advancing into a new paradigm of “flat nonlinear optics” owing to the ability to engineer local nonlinear responses in…”
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Ultrathin gradient nonlinear metasurface with a giant nonlinear response by Nookala, Nishant, Lee, Jongwon, Tymchenko, Mykhailo, Sebastian Gomez-Diaz, J., Demmerle, Frederic, Boehm, Gerhard, Lai, Kueifu, Shvets, Gennady, Amann, Markus-Christian, Alu, Andrea, Belkin, Mikhail

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Ultrathin Second-Harmonic Metasurfaces with Record-High Nonlinear Optical Response by Lee, Jongwon, Nookala, Nishant, Gomez-Diaz, J. Sebastian, Tymchenko, Mykhailo, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus-Christian, Alù, Andrea, Belkin, Mikhail A.

“…Ultrathin metasurfaces with record‐high nonlinear optical response of 1.2 × 106 pm V−1 for second harmonic generation are experimentally demonstrated in the…”
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Ultrafast Electrically Tunable Polaritonic Metasurfaces by Lee, Jongwon, Jung, Seungyong, Chen, Pai‐Yen, Lu, Feng, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus‐Christian, Alù, Andrea, Belkin, Mikhail A.

“…Electrically tunable mid‐infrared metasurfaces with nanosecond response time and broad tuning range are reported. Electrical tuning is achieved by employing…”
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Spin‐Controlled Nonlinear Harmonic Generations from Plasmonic Metasurfaces Coupled to Intersubband Transitions by Kim, Daeik, Chung, Hyeongju, Yu, Jaeyeon, Hwang, Inyong, Park, Seongjin, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus‐Christian, Belkin, Mikhail A., Jung, Joo‐Yun, Lee, Jongwon

“…Metasurfaces that generate nonlinear optical responses provide new degrees of freedom for applications such as nonlinear holography, wave mixing, and new…”
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Recent Progress in Widely Tunable Single-Mode Room Temperature Terahertz Quantum Cascade Laser Sources by Seungyong Jung, Yifan Jiang, Vijayraghavan, Karun, Aiting Jiang, Demmerle, Frederic, Boehm, Gerhard, Xiaojun Wang, Troccoli, Mariano, Amann, Markus C., Belkin, Mikhail A.

“…We present the operating principle, design, and performance of external-cavity (EC) and monolithic terahertz (THz) tuners based on intracavity…”
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Two-dimensional pump frequency study of THz generation in mid-infrared quantum cascade lasers by Yifan Jiang, Vijayraghavan, Karun, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus C., Belkin, Mikhail A.

“…The dependence of THz difference-frequency generation in mid-infrared quantum cascade lasers on the position of mid-infrared pump frequencies is investigated…”
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Metasurfaces: Ultrafast Electrically Tunable Polaritonic Metasurfaces (Advanced Optical Materials 11/2014) by Lee, Jongwon, Jung, Seungyong, Chen, Pai‐Yen, Lu, Feng, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus‐Christian, Alù, Andrea, Belkin, Mikhail A.

“…By merging plasmonic metamaterials with quantum‐engineered inter‐subband transitions in a semiconductor heterostructure, M. A. Belkin and co‐workers have…”
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Room-temperature quantum cascade laser sources of terahertz radiation by Belkin, Mikhail A., Vijayraghavan, Karun, Jiang, Aiting, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus C.

“…The development of room-temperature mass-producible 1-5 terahertz sources based on efficient intra-cavity frequency mixing in mid-infrared quantum cascade…”
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Electrically tunable quarter waveplate based on intersubband polaritonic metasurfaces by Chung, Hyeongju, Hwang, Inyong, Yu, Jaeyeon, Demmerle, Frederic, Boehm, Gerhard, Belkin, Mikhail A., Lee, Jongwon

“…We report electrically-tunable quarter waveplate metasurfaces composed of plasmonic gratings coupled to intersubband transitions in multiple-quantum wells…”
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THz emission by difference-frequency generation in single active region quantum cascade lasers by Demmerle, Frederic, Oberhausen, Wolfhard, Bissinger, Jochen, Krakofsky, Jonas, Schmeiduch, Hannes, Bohm, Gerhard, Amann, Markus-Christian

“…We present a novel design for a nonlinear quantum cascade laser emitting THz at room temperature. The device is based on a single active region design,…”
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Efficient THz generation in long-wavelength infrared quantum cascade lasers by Yifan Jiang, Jae Hyun Kim, Seungyong Jung, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus C., Belkin, Mikhail A.

“…We report more than an order of magnitude improvement in the mid-IR-to-THz conversion efficiency in 1-3 THz sources based on intra-cavity difference-frequency…”
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Broadly tunable external cavity terahertz source from 1.2∼5.9 THz by Yifan Jiang, Vijayraghavan, Karun, Seungyong Jung, Demmerle, Frederic, Boehm, Gerhard, Amann, Markus C., Belkin, Mikhail A.

“…We present room-temperature broadly tunable external cavity terahertz sources based on Cherenkov intra-cavity difference frequency generation in mid-infrared…”
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