Mr. Florian Elsen Profile

Florian Elsen

at Fraunhofer-Institut für Lasertechnik

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 5 March 2022 Presentation

Telecoms-wavelength SPDC in femtosecond-laser-written PPLN waveguides

Peter Schlosser, Martin Walochnik, Bienvenu Ndagano, Philip Scherer, Ruaridh Smith, Massimiliano Proietti, Ludwig Prade, James Morris, Nicholas Smith, Florian Elsen, Lucia Caspani, Bernd Jungbluth, Henry Bookey, Loyd McKnight

Proceedings Volume PC12004, PC120040L (2022) https://doi.org/10.1117/12.2609014

KEYWORDS: Waveguides, Telecommunications, Quantum key distribution, Superconductors, Single photon detectors, Single mode fibers, Second-harmonic generation, Quantum information processing, Quantum communications, Optical lithography

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Proceedings Article | 2 March 2022 Presentation + Paper

Frequency down-conversion for efficient, low-noise quantum frequency converters

Jan Fabian Geus, Florian Elsen, Sebastian Nyga, Bernd Jungbluth, Hans-Dieter Hoffmann, Constantin Haefner

Proceedings Volume 12015, 1201506 (2022) https://doi.org/10.1117/12.2607750

KEYWORDS: Quantum communications, Photons, Crystals, Quantum networks, Waveguides, Frequency converters, Telecommunications, Laser crystals, Quantum efficiency, Frequency conversion

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Proceedings Article | 14 April 2021 Presentation + Paper

Efficient difference frequency generation for quantum frequency conversion in a multimode PPLN-waveguide

H. Huber, M. Walochnik, F. Elsen, B. Jungbluth, Peter Loosen

Proceedings Volume 11670, 116700V (2021) https://doi.org/10.1117/12.2578605

KEYWORDS: Quantum efficiency, Difference frequency generation, Frequency conversion, Quantum communications, Waveguides, Single photon, Phase matching, Wavelength tuning, Waveguide modes, Telecommunications

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Proceedings Article | 5 March 2021 Poster + Presentation

Towards imaging with undetected photons with a nonlinear Mach-Zehnder-type interferometer in MIR

Florian Herbst, Florian Elsen, Bernd Jungbluth, Hans-Dieter Hoffmann, Constantin Häfner

Proceedings Volume 11670, 116701I (2021) https://doi.org/10.1117/12.2578639

KEYWORDS: Photons, Nonlinear crystals, Interferometers, Crystals, Near infrared, Laser crystals, Absorption, Visible radiation, Silicon, Sensors

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Proceedings Article | 28 February 2020 Paper

Picosecond laser source at 3.4 microns for laser material processing of polymers

Sebastian Nyga, Bernd Jungbluth, Florian Elsen, Anika Röhrig, Hans-Dieter Hoffmann

Proceedings Volume 11259, 112590D (2020) https://doi.org/10.1117/12.2544222

KEYWORDS: Polymers, Laser processing, Pulsed laser operation, Laser cutting, Frequency converters, Mid-IR, High power lasers, Picosecond lasers

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Proceedings Article | 7 March 2019 Paper

High-power 2-micron optical-parametric frequency converter with sub-picosecond pulse duration

Florian Elsen, Bernd Jungbluth, Sebastian Nyga, Jochen Wüppen, Hans-Dieter Hoffmann

Proceedings Volume 10896, 108960O (2019) https://doi.org/10.1117/12.2507014

KEYWORDS: Frequency converters, Pulsed laser operation, Ultrafast phenomena, Crystals, Frequency conversion, Laser applications, Laser processing, High power lasers, Beam shaping, Picosecond phenomena

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SPIE Journal Paper | 23 September 2017 Open Access

Demonstration of a 100-mJ OPO/OPA for future lidar applications and laser-induced damage threshold testing of optical components for MERLIN

Florian Elsen, Marie Livrozet, Michael Strotkamp, Jochen Wüppen, Bernd Jungbluth, Raphael Kasemann, Jens Löhring, Ansgar Meissner, Rudolf Meyer, Hans-Dieter Hoffmann, Reinhart Poprawe

OE, Vol. 57, Issue 02, 021205, (September 2017) https://doi.org/10.1117/12.10.1117/1.OE.57.2.021205

KEYWORDS: LIDAR, Optical parametric oscillators, Laser induced damage, Optical components, Laser damage threshold, Wind energy, Oscillators, Optical amplifiers, Optical testing, Frequency conversion

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Proceedings Article | 17 February 2017 Paper

Demonstration of a 100mJ OPO/OPA for future lidar applications and LIDT testing of optical components for MERLIN

F. Elsen, M. Livrozet, M. Strotkamp, J. Wüppen, Bernd Jungbluth, R. Kasemann, J. Löhring, A. Meissner, Rudolf Meyer, D. Hoffmann, R. Poprawe

Proceedings Volume 10082, 100821L (2017) https://doi.org/10.1117/12.2250838

KEYWORDS: LIDAR, Optical parametric oscillators, Frequency conversion, Optical components, Mid-IR, Pulsed laser operation, Quantum efficiency, Atmospheric particles, Aerosols, Ferroelectric materials, Oscillators, Optical amplifiers

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Proceedings Article | 17 February 2017 Presentation + Paper

High-power optical parametric frequency converters with addressable wavelengths in the infrared

B. Jungbluth, F. Elsen, J. Wueppen, S. Nyga, M. Strotkamp, D. Hoffmann, R. Poprawe

Proceedings Volume 10082, 100820O (2017) https://doi.org/10.1117/12.2250942

KEYWORDS: Phase matching, Pulsed laser operation, Laser processing, Frequency converters, Mid-IR, High power lasers, Infrared radiation, Materials processing, Lithium niobate, Picosecond phenomena, Semiconductor lasers, Crystals, Polarization, Nonlinear crystals, Laser applications, Electromagnetic radiation

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Proceedings Article | 16 March 2016 Paper

Demonstration of a 500 mJ InnoSlab-amplifier for future lidar applications

J. Löhring, M. Strotkamp, F. Elsen, R. Kasemann, J. Klein, M. Traub, G. Kochem, A. Meissner, M. Höfer, D. Hoffmann

Proceedings Volume 9726, 97260M (2016) https://doi.org/10.1117/12.2211029

KEYWORDS: Optical amplifiers, Crystals, LIDAR, Wind energy, Oscillators, Diodes, Laser crystals, Resonators, Mirrors, Energy efficiency

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Proceedings Article | 1 May 2014 Paper

Feasibility and performance study for a space-borne 1645 nm OPO for French-German satellite mission MERLIN

Florian Elsen, Matthias Heinzig, Marie Livrozet, Jens Löhring, Jochen Wüppen, Christian Büdenbender, Andreas Fix, Bernd Jungbluth, Hans-Dieter Hoffmann

Proceedings Volume 9135, 913515 (2014) https://doi.org/10.1117/12.2052396

KEYWORDS: Optical parametric oscillators, Mirrors, Crystals, LIDAR, Optical components, Methane, Ferroelectric materials, Laser damage threshold, Energy efficiency, Satellites

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Proceedings Article | 28 February 2014 Paper

Feasibility and performance study for a space-borne 1645nm OPO for French-German satellite mission MERLIN

Marie Livrozet, Florian Elsen, Jochen Wüppen, Jens Löhring, Christian Büdenbender, Andreas Fix, Bernd Jungbluth, Dieter Hoffmann

Proceedings Volume 8959, 89590G (2014) https://doi.org/10.1117/12.2041422

KEYWORDS: Optical parametric oscillators, Mirrors, Crystals, Ferroelectric materials, LIDAR, Methane, Nonlinear crystals, Energy efficiency, Satellites, Absorption

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Showing 5 of 12 publications

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