Three-color Sagnac source of polarization-entangled photon pairs

Details Three-color Sagnac source of polarization-entangled photon pairs Three-color Sagnac source of polarization-entangled photon pairs

2010-07-19

arxiv.org/abs/1007.3119v1

Optics Express, Vol. 17, Issue 25, pp. 23153-23159 (2009)

Physics

Quantum Physics

7 pages, 4 figures

Scientific paper

10.1364/OE.17.023153

We demonstrate a compact and stable source of polarization-entangled pairs of photons, one at 810 nm wavelength for high detection efficiency and the other at 1550 nm for long-distance fiber communication networks. Due to a novel Sagnac-based design of the interferometer no active stabilization is needed. Using only one 30 mm ppKTP bulk crystal the source produces photons with a spectral brightness of 1.13x10^6 pairs/s/mW/THz with an entanglement fidelity of 98.2%. Both photons are single-mode fiber coupled and ready to be used in quantum key distribution (QKD) or transmission of photonic quantum states over large distances.

Affiliated with

Also associated with

No associations

Rating

Three-color Sagnac source of polarization-entangled photon pairs does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Three-color Sagnac source of polarization-entangled photon pairs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Three-color Sagnac source of polarization-entangled photon pairs will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-62138