U.S. flag

An official website of the United States government

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

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.

PUBLICATIONS

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

Published

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

Abstract

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 investigate the spatial uniformity of one free-space-coupled silicon single-photon avalanche diode (SPAD) and present a comparison between fusion-spliced and connectorized fiber-coupled single-photon detectors. We find that our expanded relative uncertainty for a single measurement of the detection efficiency is as low as 0.7 % for fiber-coupled measurements at 1533.6 nm and as high as 1.8 % for our free-space characterization at 851.8 nm.
Conference Dates
September 14-17, 2020
Conference Location
virtual, MD
Conference Title
Quantum 2.0 Conference
Pub Type
Conferences

Download Paper

Local Download

Keywords

single photon detectors, single photon detector calibration, single photon metrology
Quantum information science, Performance excellence and Optical physics and communications

Citation

Gerrits, T. , Migdall, A. , Bienfang, J. , Lehman, J. , Nam, S. , Slattery, O. , Splett, J. , Vayshenker, I. and Wang, C. (2020), Calibration of free-space and fiber-coupled single-photon detectors, Quantum 2.0 Conference, virtual, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=931118 (Accessed February 6, 2023)

Created September 13, 2020, Updated September 30, 2020