| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Photonic Crystal Fiber Source of Quantum Correlated Photon Pairs in the 1550nm Telecom Band |
| CUI Liang, LI Xiao-Ying, FAN Hai-Yang, YANG Lei, MA Xiao-Xin |
| College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Key Laboratory of Optoelectronics Information Science and Technology of Ministry of Education, Tianjin 300072 |
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| Cite this article: |
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CUI Liang, LI Xiao-Ying, FAN Hai-Yang et al 2009 Chin. Phys. Lett. 26 044209 |
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Abstract A source of quantum correlated photon pairs in the 1550nm telecom band obtained by a pumping 11m photonic crystal fiber with 10ps pulse trains is experimentally demonstrated. We investigate how the birefringence of the fiber influences the purity of the photon pairs. We also present the frequency correlation of the signal and idler photon pairs. The experimental results are useful for developing a compact source of photon pairs well suited for quantum communication.
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| Keywords:
42.50.Dv
03.67.Hk
42.65.Lm
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Received: 10 September 2008
Published: 25 March 2009
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| PACS: |
42.50.Dv
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(Quantum state engineering and measurements)
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03.67.Hk
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(Quantum communication)
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42.65.Lm
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(Parametric down conversion and production of entangled photons)
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