NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

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

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

Published

Author(s)

Paulina S. Kuo, Thomas Gerrits, Varun B. Verma, Sae Woo Nam

Abstract

We have developed an entangled photon pair source based on a domain-engineered, type-II periodically poled lithium niobate crystal that produces signal and idler photons at 1533 nm and 1567 nm. We characterized the spectral correlations of the generated entangled photons using fiber-assisted signal-photon spectroscopy. We observed interference between the two down-conversion paths after erasing polarization distinguishability of the down-converted photons. The observed interference signature is closely related to the spectral correlations between photons in a Hong-Ou-Mandel interferometer. These measurements suggest good indistinguishability between the two downconversion paths, which is required for high entanglement visibility.
Volume
10118
Issue
10
Conference Dates
January 29-February 2, 2017
Conference Location
San Francisco, CA
Conference Title
SPIE Photonics West
Pub Type
Conferences

Download Paper

DOI Link
Quantum communications and Quantum information science

Citation

Kuo, P. , Gerrits, T. , Verma, V. and Nam, S. (2017), Spectral correlation and interference in continuous-wave non-degenerate photon pairs at telecom wavelengths, SPIE Photonics West, San Francisco, CA, [online], https://doi.org/10.1117/12.2263389 (Accessed October 11, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact [email protected].

Created March 14, 2017, Updated November 10, 2018
Was this page helpful?