Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Joshua Bienfang

Research interests:

  • Quantum communications
  • Single-photon detectors
  • Sources of entanglement
  • Quantum metrology

Biographical sketch:

Dr. Joshua C. Bienfang is a physicist in the Quantum Optics group in the Quantum Measurement Division of the Physical Measurement Laboratory. Before coming to NIST in 2002, Dr. Bienfang held a post-doctoral position at the Air Force Research Laboratory, at Kirtland AFB, New Mexico building high-power lasers for adaptive optics systems.

Awards and honors:

  • R&D 100 Award for High-Speed Fiber Quantum Key Distribution System, 2007
  • Presidential Early Career Awards for Scientists and Engineers, 2006
  • US Department of Commerce Bronze Medal for Superior Federal Service, 2005
  • University of New Mexico Tom L. Popejoy Dissertation Prize, 2003

Professional Activities:

  • CLEO/QELS subcommittee for Quantum Information, 2008
  • CLEO/QELS subcommittee for Enabling Technologies for Quantum Information, 2006

Publications

Calibration of free-space and fiber-coupled single-photon detectors

Author(s)
Thomas Gerrits, Alan L. Migdall, Joshua C. Bienfang, John H. Lehman, Sae Woo Nam, Oliver T. Slattery, Jolene D. Splett, Igor Vayshenker, Chih-Ming Wang
We present our measurements of the detection efficiency of free-space and fiber-coupled single- photon detectors at wavelengths near 851 nm and 1533.6 nm. We

Experimental Low-Latency Device-Independent Quantum Randomness

Author(s)
Yanbao Zhang, Lynden K. Shalm, Joshua C. Bienfang, Martin J. Stevens, Michael D. Mazurek, Sae Woo Nam, Carlos Abellan, Waldimar Amaya, Morgan Mitchell, Honghao Fu, Carl A. Miller, Alan Mink, Emanuel H. Knill
Applications of randomness such as private key generation and public randomness beacons require small blocks of certified random bits on demand. Device

Calibration of free-space and fiber-coupled single-photon detectors

Author(s)
Thomas Gerrits, Alan L. Migdall, Joshua C. Bienfang, John H. Lehman, Sae Woo Nam, Jolene D. Splett, Igor Vayshenker, Chih-Ming Wang
We measure the detection efficiency of single-photon detectors at wavelengths near 851 nm and 1533.6 nm. We investigate the spatial uniformity of one free-space

Switchable detector array scheme to reduce the effect of single-photon detector’s deadtime in a multi-bit/photon quantum link

Author(s)
Cong Liu, YONGXIONG Ren, Jiapeng Zhao, MOHAMMAD MIRHOSSEINI, SEYED RAFSANJANI, GUODONG XIE, Kai Pang, Zhe Zhao, Long Li, Joshua C. Bienfang, Alan L. Migdall, Todd Brun, Moshe Tur, Robert Boyd, Alan Wilner
We explore the use of a switchable single-photon detector (SPD) array to reduce the effect of individual SPDs’ deadtime for a multi-bit/photon quantum link such
Created May 31, 2018