Dr. Varun B. Verma Profile

Dr. Varun B. Verma

Physicist at National Institute of Standards and Technology

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Author

Publications (17)

Proceedings Article | 28 August 2024 Presentation

Current state of mid-infrared superconducting nanowire single-photon detectors

Emma Wollman, Gregor Taylor, Sahil Patel, Bruce Bumble, Boris Korzh, Marco Colangelo, Dip Joti Paul, Sven van Berkel, Alexander Walter, Jason Allmaras, Benedikt Hampel, Varun Verma, Karl Berggren, Matthew Shaw

Proceedings Volume PC13103, PC1310306 (2024) https://doi.org/10.1117/12.3019299

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Proceedings Article | 27 August 2024 Presentation + Paper

A 64-pixel mid-infrared single-photon imager based on superconducting nanowire detectors

Benedikt Hampel, Richard Mirin, Sae Woo Nam, Varun Verma

Proceedings Volume 13103, 1310304 (2024) https://doi.org/10.1117/12.3018519

KEYWORDS: Quantum IR detectors, Single photon detectors, Superconductors, Nanowires, Mid infrared, Superconducting detectors, Photons, Imaging systems, Exoplanets, Quantum reading, Quantum detection

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Proceedings Article | 7 June 2024 Presentation + Paper

Trap-integrated superconducting nanowire single-photon detectors for trapped-ion qubit state readout

Benedikt Hampel, Daniel Slichter, Dietrich Leibfried, Richard Mirin, Sae Woo Nam, Varun Verma

Proceedings Volume 13025, 1302506 (2024) https://doi.org/10.1117/12.3014455

KEYWORDS: Ions, Quantum communications, Nanowires, Single photon detectors, Quantum reading, Superconductors, Electrodes, Design, Quantum detection, Superconducting detectors, Single photon counters, Ion trap computing, Quantum computing, Quantum computing systems

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Proceedings Article | 10 October 2023 Presentation + Paper

Calibration system for mid-infrared superconducting nanowire single photon detectors

Michelle Brann, Varun Verma, Solomon Woods

Proceedings Volume 12687, 1268703 (2023) https://doi.org/10.1117/12.2676912

KEYWORDS: Mid-IR, Calibration, Cryostats, Superconductors, Photons, Nanowires, Single photon detectors, Sensors

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Proceedings Article | 30 May 2022 Presentation + Paper

Superconducting nanowire single photon detectors and detector arrays in the mid-infrared

V. Verma, B. Korzh, E. Wollman, Y. Zhai, A. Walter, E. Schmidt, A. Lita, J. Allmaras, M. D. Shaw, R. P. Mirin, S. W. Nam

Proceedings Volume 12089, 1208908 (2022) https://doi.org/10.1117/12.2619230

KEYWORDS: Nanowires, Sensors, Mid-IR, Calibration, Absorption, Superconductors, Photons, Single photon detectors, Silicon films, Silicon

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SPIE Journal Paper | 12 January 2021 Open Access

Recent advances in superconducting nanowire single-photon detector technology for exoplanet transit spectroscopy in the mid-infrared

Emma Wollman, Varun Verma, Alexander Walter, Jeff Chiles, Boris Korzh, Jason Allmaras, Yao Zhai, Adriana Lita, Adam McCaughan, Ekkehart Schmidt, Simone Frasca, Richard Mirin, Sae-Woo Nam, Matthew Shaw

JATIS, Vol. 7, Issue 01, 011004, (January 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.1.011004

KEYWORDS: Nanowires, Sensors, Superconductors, Mid-IR, Single photon detectors, Spectroscopy, Nanotechnology, Absorption, Exoplanets, Photodetectors

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Proceedings Article | 13 May 2019 Presentation + Paper

Towards single-photon spectroscopy in the mid-infrared using superconducting nanowire single-photon detectors

V. Verma, A. Lita, B. Korzh, E. Wollman, M. Shaw, R. Mirin, S. Nam

Proceedings Volume 10978, 109780N (2019) https://doi.org/10.1117/12.2519474

KEYWORDS: Nanowires, Sensors, Mid-IR, Superconductors, Single photon detectors, Spectroscopy, Photons, Exoplanets, Silicon, Sputter deposition

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Proceedings Article | 3 October 2017 Presentation

A heterogeneous III-V/Si3N4 quantum photonic integration platform (Conference Presentation)

Marcelo Davanco, Jin Liu, Luca Sapienza, Chen-Zhao Zhang, Jose De Miranda Cardoso, Varun Verma, Richard Mirin, Sae-Woo Nam, Liu Liu, Kartik Srinivasan

Proceedings Volume 10358, 103580O (2017) https://doi.org/10.1117/12.2275934

KEYWORDS: Quantum dots, Waveguides, Photonic devices, Quantum efficiency, Indium arsenide, Integrated photonics, Integrated optics, Photonic integrated circuits, Nanophotonics, Gallium arsenide

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Proceedings Article | 29 August 2017 Paper

Towards integrated superconducting detectors on lithium niobate waveguides

Jan Philipp Höpker, Moritz Bartnick, Evan Meyer-Scott, Frederik Thiele, Stephan Krapick, Nicola Montaut, Matteo Santandrea, Harald Herrmann, Sebastian Lengeling, Raimund Ricken, Viktor Quiring, Torsten Meier, Adriana Lita, Varun Verma, Thomas Gerrits, Sae Woo Nam, Christine Silberhorn, Tim Bartley

Proceedings Volume 10358, 1035809 (2017) https://doi.org/10.1117/12.2273388

KEYWORDS: Integrated optics, Waveguides, Lithium niobate, Sensors, Superconducting detectors, Quantum optics, Photonic devices

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Proceedings Article | 20 February 2017 Paper

Spectral correlation and interference in continuous-wave non-degenerate photon pairs at telecom wavelengths

Paulina Kuo, Thomas Gerrits, Varun Verma, Sae Woo Nam

Proceedings Volume 10118, 1011817 (2017) https://doi.org/10.1117/12.2263389

KEYWORDS: Polarization, Photon polarization, Spectroscopy, Crystals, Quantum optics, Lithium niobate, Interferometers, Diagnostics, Quantum networks, Dispersion, Beam splitters, Photonic crystals, Optical fibers

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Proceedings Article | 24 October 2016 Paper

Enhancing the secure key rate in a quantum-key-distribution system using discrete-variable, high-dimensional, time-frequency states

Nurul Islam, Clinton Cahall, Andrés Aragoneses, Charles Ci Wen Lim, Michael Allman, Varun Verma, Sae Woo Nam, Jungsang Kim, Daniel Gauthier

Proceedings Volume 9996, 99960C (2016) https://doi.org/10.1117/12.2241429

KEYWORDS: Quantum key distribution, Interferometers, Sensors, Single photon detectors, Time-frequency analysis, Quantum communications, Photodetectors, Photonics, Visibility, Modulators

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Proceedings Article | 5 May 2016 Paper

Recent advances in superconducting nanowire single photon detectors for single-photon imaging

V. Verma, M. Allman, M. Stevens, T. Gerrits, R. Horansky, A. Lita, F. Marsili, A. Beyer, M. Shaw, J. Stern, R. Mirin, S. W. Nam

Proceedings Volume 9858, 98580M (2016) https://doi.org/10.1117/12.2225241

KEYWORDS: Superconductors, Single photon detectors, Detector arrays, Cryogenics, Sensors, Photon counting, Yield improvement, Multiplexing, Spatial resolution, Real time imaging, Single photon detectors, Sensors, Nanowires, Optical amplifiers, Amplifiers, Resistance, Light, Collimation

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Proceedings Article | 15 March 2016 Paper

Characterization of type-II spontaneous parametric down-conversion in domain-engineered PPLN

Paulina Kuo, Thomas Gerrits, Varun Verma, Sae Woo Nam, Oliver Slattery, Lijun Ma, Xiao Tang

Proceedings Volume 9762, 976211 (2016) https://doi.org/10.1117/12.2218535

KEYWORDS: Crystals, Dispersion, Photon polarization, Spectroscopy, Beam splitters, Polarization, Nonlinear crystals, Photonic crystals, Second-harmonic generation, Continuous wave operation

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Proceedings Article | 6 May 2015 Paper

A near-infrared 64-pixel superconducting nanowire single photon detector array with integrated multiplexed readout

M. Allman, V. Verma, M. Stevens, T. Gerrits, R. Horansky, A. Lita, F. Marsili, A. Beyer, M. Shaw, D. Kumor, R. Mirin, S. W. Nam

Proceedings Volume 9504, 950402 (2015) https://doi.org/10.1117/12.2181024

KEYWORDS: Multiplexing, Sensors, Optical amplifiers, Superconductors, Single photon detectors, Amplifiers, Detector arrays, Resistance, Light, Nanowires

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SPIE Journal Paper | 16 June 2014 Open Access

Review of superconducting nanowire single-photon detector system design options and demonstrated performance

Eric Dauler, Matthew Grein, Andrew Kerman, Francesco Marsili, Shigehito Miki, Sae Woo Nam, Matthew Shaw, Hirotaka Terai, Varun Verma, Taro Yamashita

OE, Vol. 53, Issue 08, 081907, (June 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.8.081907

KEYWORDS: Sensors, Single photon detectors, Superconductors, Polarization, Cryogenics, Interfaces, Optical alignment, Multimode fibers, Optical engineering, Nanowires

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Proceedings Article | 9 April 2011 Paper

Fabrication and simulation of nanopore optoelectronic devices

J. Coleman, N. Dias, U. Reddy, A. Garg, J. Young, V. Verma, V. Elarde

Proceedings Volume 7822, 78220O (2011) https://doi.org/10.1117/12.888346

KEYWORDS: Quantum wells, Gallium arsenide, Nanolithography, Quantum dots, Electron beam lithography, Silica, Epitaxy, Device simulation, Optoelectronic devices, Nanostructures

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Proceedings Article | 7 February 2009 Paper

Vertical-cavity surface-emitting lasers for optical sensing in microfluidic microsystems

Ansas Kasten, Joshua Tice, Antonios Giannopoulos, Varun Verma, Paul Kenis, Kent Choquette

Proceedings Volume 7229, 722909 (2009) https://doi.org/10.1117/12.813407

KEYWORDS: Vertical cavity surface emitting lasers, Microsystems, Microfluidics, Photodetectors, Silicon, Absorption, Biosensing, Sensors, Optical sensing, Integrated optics

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Showing 5 of 17 publications

Conference Committee Involvement (1)

Quantum Computing, Communication, and Simulation V

25 January 2025 | San Francisco, California, United States

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