Prof. Christian Kurtsiefer Profile

Prof. Christian Kurtsiefer

Professor at Ctr for Quantum Technologies

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 4 October 2024 Presentation + Paper

Fiber-based interferometer for seismic detection

Joel Auccapuclla, Thormund Tay, Hou Shun Poh, Christian Kurtsiefer

Proceedings Volume 13149, 1314917 (2024) https://doi.org/10.1117/12.3029365

KEYWORDS: Vibration, Seismic sensors, Phase shifts, Michelson interferometers, Quantum interferometry, Quantum detection, Fiber couplers, Demodulation, Signal detection, Mirrors

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Proceedings Article | 28 August 2024 Presentation + Paper

Towards stellar temporal intensity interferometry

Xi Jie Yeo, Andrew Siemion, Christian Kurtsiefer, Peng Kian Tan

Proceedings Volume 13095, 130951P (2024) https://doi.org/10.1117/12.3015561

KEYWORDS: Stellar interferometry, Quantum interferometry, Telescopes, Black bodies, Optical filters, Observatories, Calibration, Avalanche photodetectors, Tunable filters, Single mode fibers

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Proceedings Article | 27 August 2024 Poster + Paper

Direct measurement of pseudothermal light violating Siegert relation

Xi Jie Yeo, Justin Peh, Darren Koh, Ming Ze Qing, Jaesuk Hwang, Peng Kian Tan, Christian Kurtsiefer

Proceedings Volume 13103, 1310326 (2024) https://doi.org/10.1117/12.3021059

KEYWORDS: Light sources, Glasses, Lamps, Scattered light, Mercury, Laser scattering, Mach Zehnder interferometers, Laser interferometry, Avalanche photodetectors, Optical testing

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Proceedings Article | 17 October 2023 Presentation + Paper

Dark-field separation of optical modes in a thermal point source

Si Ying Foo, Ming Zhi Koh, Xi Jie Yeo, Jae Suk Hwang, Christian Kurtsiefer, Peng Kian Tan

Proceedings Volume 12740, 127400A (2023) https://doi.org/10.1117/12.2675829

KEYWORDS: Signal to noise ratio, Single mode fibers, Light sources, Astronomical imaging, Beam splitters, Light sources and illumination, Interferometry

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Proceedings Article | 4 October 2023 Poster

Fiber sensing using interferometry for seismic detection

Joel Auccapuclla, Thormund Tay, Miguel Garcia Alonso, Yicheng Shi, Hou Shun Poh, Christian Kurtsiefer

Proceedings Volume 12693, 126931N (2023) https://doi.org/10.1117/12.2677379

KEYWORDS: Seismic sensors, Laser interferometry, Signal detection, Laser stabilization, Visibility, Vibration, Polarization, Photodiodes, Phase reconstruction, Mirrors

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Proceedings Article | 4 October 2022 Presentation

Single photon detection in micron wide NbTiN bridges (Conference Presentation)

Milos Petrovic, Lijiong Shen, Shuyu Dong, Filippo Martinelli, Christian Kurtseifer, Cesare Soci, Darren Koh Ming Zhi, Harish Krishnamoorthy

Proceedings Volume PC12206, PC1220604 (2022) https://doi.org/10.1117/12.2635416

KEYWORDS: Single photon, Molecular bridges, Bridges, Superconductors, Single photon detectors, Temporal resolution, Superconducting detectors, Sensors, Sensor performance, Resonators

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Proceedings Article | 12 September 2021 Presentation + Paper

Quantum lidar using stationary broadband light

Peng Kian Tan, Xi Jie Yeo, Li Jiong Shen, Christian Kurtsiefer

Proceedings Volume 11868, 1186807 (2021) https://doi.org/10.1117/12.2593008

KEYWORDS: LIDAR, Light sources, Light, Semiconductor lasers, Modulation, Ranging, Gallium nitride, Polarization, Laser beam diagnostics, Fabry–Perot interferometers

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Proceedings Article | 1 August 2021 Poster

Spectral compression of narrowband single photons

Xi Jie Yeo, Christian Kurtsiefer, Mathias Seidler, Alessandro Cerè

Proceedings Volume 11798, 117982I (2021) https://doi.org/10.1117/12.2594687

KEYWORDS: Single photon, Photons, Ultrafast phenomena, Quantum networks, Phase shift keying, Modulators, Modulation, Four wave mixing, Dispersion, Chemical species

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Proceedings Article | 1 August 2021 Presentation + Paper

Quantum sensing using thermal photon bunching

Peng Kian Tan, Xi Jie Yeo, Li Jiong Shen, Christian Kurtsiefer

Proceedings Volume 11835, 118350C (2021) https://doi.org/10.1117/12.2592964

KEYWORDS: Semiconductor lasers, Light sources, Light, Thermal sensing, Photodetectors, Signal to noise ratio, Gallium nitride, LIDAR, Modulation

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Proceedings Article | 1 August 2021 Presentation

A Wide-range wavelength-tunable photon-pair source for characterizing single-photon detectors

Lijiong Shen, Jianwei Lee, Antony Winata Hartanto, Peng Kian Tan, Kurtsiefer Christian

Proceedings Volume 11806, 118060R (2021) https://doi.org/10.1117/12.2594141

KEYWORDS: Single photon detectors, Wavelength tuning, Sensors, Temporal resolution, Silicon, Photodetectors, Indium gallium arsenide, Precision measurement, Luminescence

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Proceedings Article | 1 August 2021 Presentation

Superconducting microbridge single photon detectors with improved temporal response

Milos Petrovic, Lijiong Shen, Shuyu Dong, Filippo Martinelli, Harish Natarajan Swaha Krishnamoorthy, Christian Kurtsiefer, Cesare Soci

Proceedings Volume 11806, 118060Q (2021) https://doi.org/10.1117/12.2598654

KEYWORDS: Superconductors, Single photon detectors, Sensors, Single photon, Signal to noise ratio, Telecommunications, Superconducting detectors, Signal detection, Quantum efficiency, Picosecond phenomena

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Proceedings Article | 10 September 2019 Presentation

Remote clock synchronization with entangled photon pairs (Conference Presentation)

Christian Kurtsiefer, Jianwei Lee

Proceedings Volume 11091, 110910X (2019) https://doi.org/10.1117/12.2531739

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SPIE Journal Paper | 9 January 2019 Open Access

Design considerations for an optical link supporting intersatellite quantum key distribution

Denis Naughton, Robert Bedington, Simon Barraclough, Tanvirul Islam, Doug Griffin, Brenton Smith, Joe Kurtz, Andrey Alenin, Israel Vaughn, Arvind Ramana, Igor Dimitrijevic, Zong Sheng Tang, Christian Kurtsiefer, Alexander Ling, Russell Boyce

OE, Vol. 58, Issue 01, 016106, (January 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.1.016106

KEYWORDS: Space operations, Quantum key distribution, Receivers, Satellites, Photons, Sensors, Telescopes, Avalanche photodetectors, Acquisition tracking and pointing, Telecommunications

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Proceedings Article | 18 September 2018 Presentation

Randomness generation from a CHSH violation on entangled photon pairs from a continuous source without fair sampling assumptions (Conference Presentation)

Christian Kurtsiefer

Proceedings Volume 10733, 107330S (2018) https://doi.org/10.1117/12.2325104

KEYWORDS: Photodetectors, Quantum physics, Infrared photography, Infrared radiation, Single mode fibers, Sensors

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Proceedings Article | 21 May 2018 Presentation + Paper

Nonlinear photon-atom coupling in free space

Matthias Steiner, Yue-Sum Chin, Christian Kurtsiefer

Proceedings Volume 10674, 106740V (2018) https://doi.org/10.1117/12.2305887

KEYWORDS: Quantum information, Free space, Single photon, Nonlinear optics, Quantum computing, Atomic, molecular, and optical physics

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Proceedings Article | 29 August 2017 Presentation + Paper

Preparation of single photon states with rising exponential shape

Bharath Srivathsan, Gurpreet Kaur Gulati, Victor Leong, Mathias Seidler, Matthias Steiner, Alessandro Cere, Christian Kurtsiefer

Proceedings Volume 10358, 1035803 (2017) https://doi.org/10.1117/12.2278703

KEYWORDS: Photons, Single photon, Four wave mixing, Absorption, Fabry–Perot interferometers, Photonic devices

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Proceedings Article | 1 September 2015 Paper

Controlling the interference of single photons emitted by independent atomic sources

Alessandro Cerè, Victor Leong, Sandoko Kosen, Bharath Srivathsan, Gurpreet Gulati, Christian Kurtsiefer

Proceedings Volume 9615, 96150Q (2015) https://doi.org/10.1117/12.2196246

KEYWORDS: Chemical species, Photons, Single photon, Four wave mixing, Dubnium, Beam splitters, Quantum communications, Clouds, Bragg cells, Quantum computing

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Proceedings Article | 26 January 2009 Open Access

Interfacing light and single atoms with a lens

Meng Khoon Tey, Syed Abdullah Aljunid, Florian Huber, Brenda Chng, Zilong Chen, Gleb Maslennikov, Christian Kurtsiefer

Proceedings Volume 7236, 723606 (2009) https://doi.org/10.1117/12.810207

KEYWORDS: Chemical species, Scattering, Light scattering, Wavefronts, Spherical lenses, Laser scattering, Polarization, Maxwell's equations, Photons, Laser beam diagnostics

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Proceedings Article | 19 February 2008 Paper

Experimental E91 quantum key distribution

Alexander Ling, Matt Peloso, Ivan Marcikic, Antía Lamas-Linares, Christian Kurtsiefer

Proceedings Volume 6903, 69030U (2008) https://doi.org/10.1117/12.778556

KEYWORDS: Quantum key distribution, Polarization, Photon polarization, Sensors, Information security, Optical fibers, Beam splitters, Single mode fibers, Quantum cryptography, Photons

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Proceedings Article | 29 August 2006 Paper

Experimental polarization state tomography using photon counting polarimeters

Alexander Ling, Kee Pang Soh, Antía Lamas-Linares, Christian Kurtsiefer

Proceedings Volume 6305, 63050A (2006) https://doi.org/10.1117/12.678921

KEYWORDS: Polarimetry, Polarization, Sensors, Photon counting, Tomography, Optical spheres, Photon polarization, Beam splitters, Calibration, Phase shifts

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Proceedings Article | 3 February 2004 Paper

Quantum communications in space

John Rarity, Phil Gorman, P. Knight, Harald Weinfurter, Christian Kurtsiefer

Proceedings Volume 5161, (2004) https://doi.org/10.1117/12.504744

KEYWORDS: Satellites, Quantum communications, Polarization, Teleportation, Receivers, Quantum cryptography, Entangled states, Telescopes, Space telescopes, Sensors

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Proceedings Article | 13 September 2002 Paper

Multiphoton entanglement

Mohamed Bourennane, Manfred Eibl, Sascha Gaertner, Nicolai Kiesel, Christian Kurtsiefer, Marek Zukowski, Harald Weinfurter

Proceedings Volume 4917, (2002) https://doi.org/10.1117/12.483039

KEYWORDS: Quantum communications, Polarization, Entangled states, Beam splitters, Photon polarization, Correlation function, Quantum physics, Quantum mechanics, Teleportation, Optical filters

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Proceedings Article | 13 September 2002 Paper

Long-distance free-space quantum cryptography

Christian Kurtsiefer, P. Zarda, M. Halder, Ph. Gorman, Paul Tapster, J. Rarity, Harald Weinfurter

Proceedings Volume 4917, (2002) https://doi.org/10.1117/12.483036

KEYWORDS: Receivers, Polarization, Photons, Quantum cryptography, Spatial filters, Transmitters, Telescopes, Sensors, Semiconductor lasers, Beam splitters

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