Generation of entangled photon pairs using small-coherence-time continuous wave pump lasers
Applied Optics, Vol. 47, Issue 11, pp. 1832-1836 (2008)
http://dx.doi.org/10.1364/AO.47.001832
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Abstract
We address the generation of entangled photon pairs by parametric downconversion from solid state cw lasers with small coherence time. We consider a compact and low-cost setup based on a two-crystal scheme with type-I phase matching. We reconstruct the full density matrix by quantum tomography and analyze in detail the entanglement properties of the generated state as a function of the crystal’s length and the coherence time of the pump. We verify the possibility to improve the visibility using a purification protocol based on a compensation crystal.
© 2008 Optical Society of America
OCIS Codes
(270.1670) Quantum optics : Coherent optical effects
(270.5290) Quantum optics : Photon statistics
ToC Category:
Quantum Optics
History
Original Manuscript: November 12, 2007
Revised Manuscript: January 17, 2008
Manuscript Accepted: January 18, 2008
Published: April 8, 2008
Citation
Simone Cialdi, Fabrizio Castelli, Ilario Boscolo, and Matteo G. Paris, "Generation of entangled photon pairs using small-coherence-time continuous wave pump lasers," Appl. Opt. 47, 1832-1836 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-11-1832
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References
- P. G. Kwiat, E. Waks, A. G. White, I. Appelbaum, and P. G. Eberhard, “Ultrabright source of polarization-entangled photons,” Phys. Rev. A 60, R773-R776 (1999). [CrossRef]
- D. Dehlinger and M. W. Mitchell, “Entangled photons, nonlocality, and Bell inequalities in the undergraduate laboratory,” Am. J. Phys. 70, 903-910 (2002). [CrossRef]
- Y. Nambu, K. Usami, Y. Tsuda, K. Matsumoto, and K. Nakamura, “Generation of polarization-entangled photon pairs in a cascade of two type-I crystals pumped by femtosecond laser pulses,” Phys. Rev. A 66, 033816 (2002) [CrossRef]
- M.G. A.Paris and J.Rehacek, eds., “Quantum state estimation,” Lect. Notes Phys. 649, 1-4 (2004).
- G. M. D'Ariano, L. Maccone, and M. G. A. Paris, “Quorum of observables for universal quantum estimation,” J. Phys. A 34, 93-104 (2001). [CrossRef]
- K. Banaszek, G. M. D'Ariano, M. G. A. Paris, and M. F. Sacchi, “Maximum-likelihood estimation of the density matrix,” Phys. Rev. A 61, 010304 (2000). [CrossRef]
- D. F. V. James, P. G. Kwiat, W. J. Munro, and A. G. White, “Measurement of qubits,” Phys. Rev. A 64, 052312 (2001). [CrossRef]
- A. Gogo, W. D. Snyder, and M. Beck, “Comparing quantum and classical correlations in a quantum eraser,” Phys. Rev. A 71, 052103 (2005). [CrossRef]
- M. H. Rubin, D. N. Klyshko, Y. H. Shih, and A. V. Sergienko, “Theory of two-photon entanglement in type-II optical parametric down-conversion,” Phys. Rev. A 50, 5122-5133(1994). [CrossRef] [PubMed]
- C. K. Hong and L. Mandel, “Theory of parametric frequency down conversion of light,” Phys. Rev. A 31, 2409-2418 (1985). [CrossRef] [PubMed]
- G. Brida, M. Chekhova, M. Genovese, and L. Krivitsky, “Generation of different bell state within spontaneous parametric down-conversion phase-matching bandwidth,” Phys. Rev. A 76, 053807 (2007) [CrossRef]
- G. Brida, M. V. Chekhova, M. Genovese, and L. A. Krivitsky, “Two-photon entanglement generation: different Bell states within the linewidth of phase-matching,” Opt. Express 15, 10182-10188 (2007) [CrossRef] [PubMed]
- A. V. Smith, SNLO nonlinear optics software, Sandia National Laboratories, http://www.sandia.gov/imrl/X1118/xxtal.htm.
- A. Yariv and P. Yeh, Optical Waves in Crystals (Wiley, 2003), pp. 69-120.
- A. Joobeur, B. E. A. Saleh, T. S. Larchuk, and M. C. Teich, “Coherence properties of entangled light beams generated by parametric down-conversion: theory and experiment,” Phys. Rev. A 53, 4360-4371 (1996) [CrossRef] [PubMed]
- K. Blushs and M. Auzinsh, “Validity of rate equations for Zeeman coherences for analysis of nonlinear interaction of atoms with broadband laser radiation,” Phys. Rev. A 69, 063806 (2004). [CrossRef]
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