Time coincidence of entangled photon pairs using spontaneous four-wave mixing i...

• Author(s): Almeida, Álvaro J. ; Carneiro, Steven R. ; Silva, Nuno A. ; Muga, Nelson J. ; Pinto, Armando N.
• Date: 2010
• Persistent ID: http://hdl.handle.net/10773/6059
• Origin: RIA - Repositório Institucional da Universidade de Aveiro
• Subject(s): Spontaneous four-wave mixing; Quantum entanglement; Sagnac fiber loop; Coincidence
• Document Type: Conference Object
• Language: English

Description

We obtained a source of entangled photon pairs in the 1550-nm wavelength band using spontaneous four-wave mixing (SpFWM) in a Sagnac fiber loop. Time coincidence of entangled photon pairs was verified for a 300-m dispersion-shifted fiber (DSF), using an avalanche photodiode (APD). QuantTel - Quantum Secure Telecommunications Quant- PrivTel - Quantum Private Telecommunications - PTDC/EEATEL/ 103402/2008