Accession Number:

ADA626351

Title:

High-Performance Single-Photon Sources via Spatial Multiplexing

Descriptive Note:

Final rept. 15 Aug 2012-14 Nov 2014

Corporate Author:

NORTHWESTERN UNIV EVANSTON IL

Report Date:

2014-01-01

Pagination or Media Count:

20.0

Abstract:

Single photons sources are desired for many potential quantum information applications. One common method to produce single photons is based on a heralding protocol, which involves generating a pair of photons in an optical nonlinear medium and then detecting one photon in the pair to announce the existence of the other photon of the pair. Compared to other schemes, such a method offers several significant advantages. A major challenge to overcome which is inherent to this method, however, is that the photon pairs are created stochastically in the optical nonlinear medium. Thus, in order to ensure high purity levels for the single photons generated via heralding, sources of this type must be operated at low photon-pair production rates in order to keep the probability for simultaneous creation of multiple photon-pairs to an acceptably low level. A direct result of this restriction is a low heralding rate of single photons. A potential solution for achieving high-rate, high-purity, single-photon generation combines several heralding single-photon sources which are actively multiplexed to act as one source. The overall goal of this project is to develop methods to perform such multiplexing based on the use of a low loss high speed fiber optical switch.

Subject Categories:

  • Statistics and Probability
  • Fiber Optics and Integrated Optics
  • Quantum Theory and Relativity
  • Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE