Dr. Robert E. Tench Profile

Dr. Robert E. Tench

President and Chief Scientist at RET and Associates LLC

Area of Expertise:

Physics , Lasers , Optical Amplifiers , Optical Communications

Websites:

Company Website

Publications (20)

Proceedings Article | 13 March 2024 Presentation + Paper

Design and performance of 1762 nm Tm-doped fiber amplifiers for manipulation and control of optical qubits in 133Ba+ ions

Robert Tench, Adrian Zepeda, Wiktor Walasik, Alexandre Amavigan, Jean-Marc Delavaux

Proceedings Volume 12911, 1291111 (2024) https://doi.org/10.1117/12.3001098

KEYWORDS: Fiber amplifiers, Quantum optics experiments, Ions, Design, Laser frequency, Fiber couplers, Barium, Quantum computing, Optical isolators

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Proceedings Article | 12 March 2024 Paper

Novel single-clad Ho-doped fiber amplifier with high slope efficiency and low ion pairing

Robert Tench, Wiktor Walasik, Alexandre Amavigan, Jean-Marc Delavaux, Colin Baker, E. Joseph Friebele, Daniel Rhonehouse, Jasbinder Sanghera

Proceedings Volume 12865, 128650U (2024) https://doi.org/10.1117/12.3000378

KEYWORDS: Ions, Fiber amplifiers, Analytical research, Optical testing, Design, Absorption

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Proceedings Article | 12 March 2024 Poster + Paper

ASE sources as pumps for 2-µm fiber amplifiers, lasers, and ultra-broad ASE sources

Wiktor Walasik, Alexandre Amavigan, Robert Tench, Jean-Marc Delavaux

Proceedings Volume 12865, 128651C (2024) https://doi.org/10.1117/12.3000536

KEYWORDS: Superluminescent sources, Fiber lasers, Fiber amplifiers, Fiber Bragg gratings, Interference (communication), Wavelength division multiplexing, Tunable lasers, Tunable filters, Spontaneous emission, Semiconductor lasers

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Proceedings Article | 27 March 2023 Poster

Robust 2070 nm ns pulsed PM laser module with 250 W peak output power and 12uJ pulse energy

Wiktor Walasik, Shivaraman Asoda, Gustavo Rivas, Robert Tench, Jean-Marc Delavaux

Proceedings Volume 12400, 124001M (2023) https://doi.org/10.1117/12.2648395

KEYWORDS: Transmitters, Pulsed laser operation, Nonlinear optics, Modulators, Bragg cells, Surgery, Supercontinuum sources, Single mode fibers, Optical simulations, Optical parametric oscillators

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Proceedings Article | 17 March 2023 Presentation + Paper

Compact packaged Tm-doped and Ho-doped broadband PM ASE sources in the 2000 nm band

Wiktor Walasik, Alexandre Amavigan, Gustavo Rivas, Robert Tench, Jean-Marc Delavaux

Proceedings Volume 12402, 1240203 (2023) https://doi.org/10.1117/12.2646853

KEYWORDS: Superluminescent sources, Fiber optics tests, Fiber lasers, Fiber couplers, Optical testing, Optical isolators, Fiber optics, Design and modelling, Thulium, Semiconductor lasers

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Proceedings Article | 15 March 2023 Poster + Paper

Radiation hardness studies of butterfly single mode DFB lasers at 1064 nm

Adrian Zepeda, Shivaraman Asoda, Wiktor Walasik, Robert Tench, Jean-Marc Delavaux, Yasunari Maeda, Yutaka Onishi, Keizo Takemasa

Proceedings Volume 12413, 124131U (2023) https://doi.org/10.1117/12.2645995

KEYWORDS: Laser radiation, Laser applications, Polarization, Gamma radiation, Satellites, Ionizing radiation

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Proceedings Article | 12 April 2021 Presentation

2-μm 5-kHz PM DFB-FBG fiber seed laser in ns pulsed Tm-doped fiber amplifier

Wiktor Walasik, Robert Tench, Alexandre Amavigan, Jean-Marc Delavaux, Andre Van Rynbah

Proceedings Volume 11739, 1173909 (2021) https://doi.org/10.1117/12.2585926

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Proceedings Article | 5 March 2021 Presentation + Paper

High performance +23 dBm miniature PM Ho-doped fiber amplifier at 2100 nm

Alexandre Amavigan, Shivaraman Asoda, Robert Tench, Jean-Marc Delavaux, Thierry Robin, Benoit Cadier, Arnaud Laurent

Proceedings Volume 11665, 1166529 (2021) https://doi.org/10.1117/12.2576900

KEYWORDS: Fiber amplifiers, Optical amplifiers, Interference (communication), LIDAR, Interfaces, Infrared sensors, Infrared radiation, High dynamic range imaging, Electronics, Dense wavelength division multiplexing

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Proceedings Article | 5 March 2021 Presentation + Paper

Novel highly efficient in-band pump wavelengths for Ho-doped fiber amplifiers

Robert Tench, Jean-Marc Delavaux, Clement Romano

Proceedings Volume 11665, 116650F (2021) https://doi.org/10.1117/12.2578315

KEYWORDS: Fiber amplifiers, Optical amplifiers, Optical pumping, LIDAR, Infrared sensors, Infrared radiation, Infrared detectors, Device simulation, Dense wavelength division multiplexing, Atmospheric sensing

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Proceedings Article | 5 March 2021 Presentation + Paper

Multi-watt broadband wavelength tunable polarization maintaining Tm-doped fiber laser module

Clement Guyonnet, Alexandre Amavigan, Wiktor Walasik, Robert Tench, Jean-Marc Delavaux, Thierry Robin, Benoit Cadier, Arnaud Laurent, Patrice Crochet

Proceedings Volume 11665, 1166524 (2021) https://doi.org/10.1117/12.2577695

KEYWORDS: Fiber lasers, Tunable lasers, Wavelength tuning, System integration, Single mode fibers, Signal to noise ratio, Sensing systems, Semiconductor lasers, Polarization, Mid-IR

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Proceedings Article | 23 April 2020 Presentation + Paper

Multistage 2µm polarization-maintaining single clad Tm-doped fiber amplifier

Robert Tench, Alexandre Amavigan, Ken Chen, Jean-Marc Delavaux, Thierry Robin, Benoît Cadier, William Renard

Proceedings Volume 11405, 114050H (2020) https://doi.org/10.1117/12.2558822

KEYWORDS: Polarization maintaining fibers, Infrared technology, Fiber amplifiers, Optical amplifiers, LIDAR

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Proceedings Article | 21 February 2020 Paper

Novel miniature 2 µm Watt-level PM single clad Tm-doped fiber amplifier

Robert Tench, Alexandre Amavigan, Jean-Marc Delavaux, Thierry Robin, Beniot Cadier, Arnaud Laurent

Proceedings Volume 11260, 112600Y (2020) https://doi.org/10.1117/12.2544953

KEYWORDS: Optical amplifiers, Fiber amplifiers, LIDAR, Quantum efficiency, Phase modulation

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Proceedings Article | 14 May 2019 Paper

Studies of the optical bandwidth of a 25 W 2 µm band PM hybrid Ho-/Tm-doped fiber amplifier

Robert Tench, Clément Romano, Jean-Marc Delavaux

Proceedings Volume 11000, 1100009 (2019) https://doi.org/10.1117/12.2516985

KEYWORDS: Fiber amplifiers, Optical amplifiers, Signal to noise ratio, LIDAR

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Proceedings Article | 7 March 2019 Presentation + Paper

kW pulsed nanosecond TDFL with direct modulation

Clément Romano, Yves Jaouën, Robert Tench, Jean-Marc Delavaux

Proceedings Volume 10897, 1089708 (2019) https://doi.org/10.1117/12.2506828

KEYWORDS: Pulsed fiber lasers, Thulium, Modulation, Pulsed laser operation, Amplifiers, Semiconductor lasers, Fiber lasers, Distortion

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Proceedings Article | 7 March 2019 Presentation + Paper

25W, 2um broadband polarization-maintaining hybrid Ho- and Tm-doped fiber amplifier

Robert Tench, Clément Romano, Jean-Marc Delavaux

Proceedings Volume 10897, 108970K (2019) https://doi.org/10.1117/12.2505436

KEYWORDS: Optical amplifiers, Fiber amplifiers, Fiber lasers, Photonics, Optical design, Laser applications, LIDAR

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Proceedings Article | 14 May 2018 Presentation + Paper

Multistage single clad 2 micron TDFA with a shared L-band pump source

Robert Tench, Clément Romano, Jean-Marc Delavaux

Proceedings Volume 10654, 106540V (2018) https://doi.org/10.1117/12.2295444

KEYWORDS: Optical amplifiers, Fiber amplifiers, Amplifiers, L band, Optical isolators, Device simulation, Telecommunications, Photonics

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Proceedings Article | 4 May 2018 Presentation + Paper

5W 1952nm Brillouin-free efficient single clad TDFA

Clément Romano, Robert Tench, Jean-Marc Delavaux

Proceedings Volume 10637, 1063708 (2018) https://doi.org/10.1117/12.2304910

KEYWORDS: Amplifiers, Fiber amplifiers, Optical amplifiers, Performance modeling, Fiber Bragg gratings, Thulium

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Proceedings Article | 26 February 2018 Presentation + Paper

20-W 1952-nm tandem hybrid single and double clad TDFA

Clément Romano, Robert Tench, Jean-Marc Delavaux

Proceedings Volume 10512, 105120Q (2018) https://doi.org/10.1117/12.2290234

KEYWORDS: Optical amplifiers, Optical fibers, Amplifiers, Fiber amplifiers, Absorption, Thulium, Data modeling, Optical simulations, Luminescence

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Proceedings Article | 26 February 2018 Paper

Optimized design and performance of a shared pump single clad 2 µm TDFA

Robert Tench, Clément Romano, Jean-Marc Delavaux

Proceedings Volume 10512, 1051229 (2018) https://doi.org/10.1117/12.2286933

KEYWORDS: Amplifiers, Optical amplifiers, Fiber amplifiers, Device simulation, Optical design, Signal to noise ratio, High power fiber amplifiers

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Proceedings Article | 22 February 2017 Presentation + Paper

Simulation and design of a multistage 10W thulium-doped double clad silica fiber amplifier at 2050nm

Clément Romano, Robert Tench, Yves Jaouën, Glen Williams

Proceedings Volume 10083, 100830H (2017) https://doi.org/10.1117/12.2250970

KEYWORDS: Fiber amplifiers, Optical amplifiers, Thulium, Optical fibers, LIDAR, Spectroscopy, Carbon dioxide, Absorption, Fiber characterization, Amplifiers, Cladding

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Showing 5 of 20 publications

Conference Committee Involvement (2)

Quantum Computing, Communication, and Simulation V

25 January 2025 | San Francisco, California, United States

Quantum Computing, Communication, and Simulation IV

27 January 2024 | San Francisco, California, United States

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