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Search Publications by: Thomas Gerrits (Fed)

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Displaying 76 - 100 of 214

Towards integrated superconducting detectors on lithium niobate waveguides

August 29, 2017
Author(s)
Jan P. Hoepker, Moritz Bartnick, Evan Meyer-Scott, Frederik Thiele, Stephan Krapick, Nicola Montaut, Matteo Santandrea, Harald Herrmann, Sebastian Lengeling, Raimund Ricken, Victor Quiring, Torsten Meier, Adriana Lita, Varun Verma, Thomas Gerrits, Sae Woo Nam, Christine Silberhorn, Tim J. Bartley
Superconducting detectors are now well-established tools for low-light optics, and in particular quantum optics, boasting high-efficiency, fast response and low noise. Similarly, lithium niobate is an important platform for integrated optics given its

Identification of nonclassical properties of light with multiplexing layouts

July 6, 2017
Author(s)
Jan Sperling, Andreas Eckstein, W.R. Clements, Meritt Moore, Jelmer Renema, Steven Kolthammer, Sae Woo Nam, Adriana Lita, Thomas Gerrits, Ian Walmsley, G.S. Agarwal, Wolfgang Vogel
In our work, we introduce and apply a detector-independent method to uncover nonclassicality. In this contribution, we extend those techniques and give more details on the performed nalysis. We derive the general structure of the positive-operator-valued

Progress on Single Photon Detector Efficiency Calibrations at NIST

June 14, 2017
Author(s)
Thomas Gerrits, John H. Lehman, Alan Migdall, Sae Woo Nam, Igor Vayshenker, Chih-Ming Wang
We report on our progress towards implementing a measurement service aimed at the calibration of single-photon detectors. We present how our calibration is tied to the calibration of our transfer standard optical fiber power meters. We also developed and

A telecom-band cavity-enhanced single-photon source with high klyshko efficiencies

May 18, 2017
Author(s)
Thomas Gerrits, Lu Xiyuan, Steven Rogers, W C. Wiang, Sae Woo Nam, Qiang Lin
We develop an on-chip telecom-band single-photon source with Klyshko efficiencies up to 48%, the highest value for cavity-enhanced photon sources. For the first time, we relate Klyshko efficiency to high-order correlations and verify this relation

Coherent quantum frequency bridge: phase preserving, nearly-noiseless parametric frequency converter

May 3, 2017
Author(s)
Ivan A. Burenkov, Yu-Hsiang Cheng, Tim O. Thomay, Glenn S. Solomon, Alan L. Migdall, Thomas Gerrits, Adriana E. Lita, Sae Woo Nam, Lynden K. Shalm, Sergey V. Polyakov
We characterize an efficient and nearly-noiseless parametric frequency upconverter. The ultra- low noise regime is reached by the wide spectral separation between the input and pump frequencies and the low pump frequency relative to the input photons. The

Full statistical mode reconstruction of a light field via a photon-number resolved measurement

May 2, 2017
Author(s)
Ivan A. Burenkov, Sergey V. Polyakov, Thomas Gerrits, Timothy J. Bartley, Georg Harder, Christine Silberhorn, Ankita Sharma, Elizabeth A. Goldschmidt
We present a method to reconstruct the mode structure and optical losses of multimode conjugated optical fields using an experimentally measured joint photon-number probability distribution. We demonstrate nearly-perfect reconstruction of a multimode field

Detector-Independent Verification of Quantum Light

April 21, 2017
Author(s)
Jan Sperling, W.R. Clements, Andreas Eckstein, Meritt Moore, Jelmer Renema, Steven Kolthammer, Sae Woo Nam, Adriana Lita, Thomas Gerrits, Wolfgang Vogel, G.S. Agarwal, Ian Walmsley
We introduce a method for the verification of nonclassical light which is independent of the complex interaction between the generated light and the material of the detectors, which are in our work superconducting transition-edge sensors. This is achieved

Heralding single photons from a high-Q silicon microdisk

November 10, 2016
Author(s)
Xiyuan Lu, Steven Rogers, Thomas Gerrits, Wei Jiang, Sae Woo Nam, Qiang Lin
Integrated quantum photonics has recently attracted considerable attention due to the promise of realizing chip-scale quantum information processing with unprecedented capability and complexity. Their implementation relies essentially on a high-quality

A quantum enigma machine: Experimentally demonstrating quantum data locking

August 12, 2016
Author(s)
Daniel Lum, Michael S. Allman, Thomas Gerrits, Cosmo Lupo, Seth Lloyd, Varun Verma, Sae Woo Nam, John Howell
During the first half of the 20th century, enigma machines (i.e., pseudorandom polyalphabetic ciphers) of increasing sophistication gave better resistance against brute-force codebreaking attacks. However, the ultimate form of cryptographic security is