V. Salakhutdinov, E. Eliel, and W. Löffler, “Full-field quantum correlations of spatially entangled photons,” Phys. Rev. Lett.108, 173604 (2012).

[CrossRef]
[PubMed]

M. Agnew, J. Leach, M. McLaren, F. Roux, and R. Boyd, “Tomography of the quantum state of photons entangled in high dimensions,” Phys. Rev. A84, 062101 (2011).

[CrossRef]

A. Dada, J. Leach, G. Buller, M. Padgett, and E. Andersson, “Experimental high-dimensional two-photon entanglement and violations of the generalized Bell inequalities,” Nat. Phys.7, 677–680 (2011).

[CrossRef]

B. Jack, J. Leach, H. Ritsch, S. Barnett, and M. Padgett, “Precise quantum tomography of photon pairs with entangled orbital angular momentum,” New J. of Phys.811, 103024 (2009).

[CrossRef]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

V. Arrizon, “Optimum on-axis computer-generated hologram encoded into low-resolution phase- modulation devices,” Opt. Lett.28, 2521–2523 (2003).

[CrossRef]
[PubMed]

A. Vaziri, J.W Pan, T. Jennewein, G. Weihs, and A. Zeilinger, “Concentration of higher-dimensional entanglement: Qutrits of photon orbital angular momentum,” Phys. Rev. Lett.91, 227902 (2003).

[CrossRef]
[PubMed]

R.T. Thew, K. Nemoto, A.G. White, and W.J. Munro, “Qudit quantum-state tomography,” Phys. Rev. A66, 012303 (2002).

[CrossRef]

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, “Quantum cryptograpy,” Rev. Mod. Phys.74, 145–195 (2002).

[CrossRef]

Franke-Arnold, S. S. Barnett, M. Padgett, and L. Allen, “Two-photon entanglement of orbital angular momentum states,” Phys. Rev. A65(3), 033823 (2002).

[CrossRef]

D. Collins, N. Gisin, N. Linden, S. Massar, and S. Popescu, “Bell inequalities for arbitrarily high-dimensional systems,” Phys. Rev. Lett.88, 040404 (2002).

[CrossRef]
[PubMed]

A. Mair, A. Vaziri, G. Weihs, and A. Zeilinger, “Entanglement of the orbital angular momentum states of photons,” Nature412, 313–316 (2001).

[CrossRef]
[PubMed]

D. James, P. Kwiat, W. Munro, and A. White, “Measurement of qubits,” Phys. Rev. A64, 052312 (2001).

[CrossRef]

H. Arnaut and G. Barbosa, “Orbital and intrinsic angular momentum of single photons and entangled pairs of photons generated by parametric down-conversion,” Phys. Rev. Lett.85, 286–289 (2000).

[CrossRef]
[PubMed]

S. Bose and V. Vedral, “Mixedness and teleportation,” Phys. Rev. A61, 040101(R) (2000).

[CrossRef]

T. Pittman, Y. Shih, D. Strekalov, and A. Sergienko, “Optical imaging by means of two-photon quantum entanglement,” Phys. Rev. A52, R3429–R3432 (1995).

[CrossRef]
[PubMed]

R. Grobe, K. Rzazewski, and J. Eberly, “Measure of electron-electron correlation in atomic physics,” J. Phys. B-At. Mol. Opt.27, L503–L508 (1994).

[CrossRef]

L. Allen, M. Beijersbergen, R. Spreeuw, and J. Woerdman, “Orbital angular momentum of light and the transformation of Laguerre-Gaussian laser modes,” Phys. Rev. A45, 8185–8189 (1992).

[CrossRef]
[PubMed]

A. Ekert, “Quantum cryptography based on Bells theorem,” Phys. Rev. Lett.67, 661–663 (1991).

[CrossRef]
[PubMed]

J. Durnin, J. Miceli, and J. Eberly, “Diffraction-free beams,” Phys. Rev. Lett.58, 1499–1501 (1987).

[CrossRef]
[PubMed]

F. Gori, G. Guattari, and C. Padovani, “Bessel-Gauss beams,” Opt. Commun.64, 491–495 (1987).

[CrossRef]

J. Durnin, “Exact solutions for nondiffracting beams. i. the scalar theory,” J. Opt. Soc. Am. A4, 651–654 (1987).

[CrossRef]

J. Clauser, M. Horne, A. Shimony, and R. Holt, “Proposed experiment to test local hidden-variable theories,” Phys. Rev. Lett.23, 880–884 (1969).

[CrossRef]

M. Agnew, J. Leach, M. McLaren, F. Roux, and R. Boyd, “Tomography of the quantum state of photons entangled in high dimensions,” Phys. Rev. A84, 062101 (2011).

[CrossRef]

Franke-Arnold, S. S. Barnett, M. Padgett, and L. Allen, “Two-photon entanglement of orbital angular momentum states,” Phys. Rev. A65(3), 033823 (2002).

[CrossRef]

L. Allen, M. Beijersbergen, R. Spreeuw, and J. Woerdman, “Orbital angular momentum of light and the transformation of Laguerre-Gaussian laser modes,” Phys. Rev. A45, 8185–8189 (1992).

[CrossRef]
[PubMed]

A. Dada, J. Leach, G. Buller, M. Padgett, and E. Andersson, “Experimental high-dimensional two-photon entanglement and violations of the generalized Bell inequalities,” Nat. Phys.7, 677–680 (2011).

[CrossRef]

H. Arnaut and G. Barbosa, “Orbital and intrinsic angular momentum of single photons and entangled pairs of photons generated by parametric down-conversion,” Phys. Rev. Lett.85, 286–289 (2000).

[CrossRef]
[PubMed]

H. Arnaut and G. Barbosa, “Orbital and intrinsic angular momentum of single photons and entangled pairs of photons generated by parametric down-conversion,” Phys. Rev. Lett.85, 286–289 (2000).

[CrossRef]
[PubMed]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

B. Jack, J. Leach, H. Ritsch, S. Barnett, and M. Padgett, “Precise quantum tomography of photon pairs with entangled orbital angular momentum,” New J. of Phys.811, 103024 (2009).

[CrossRef]

Franke-Arnold, S. S. Barnett, M. Padgett, and L. Allen, “Two-photon entanglement of orbital angular momentum states,” Phys. Rev. A65(3), 033823 (2002).

[CrossRef]

L. Allen, M. Beijersbergen, R. Spreeuw, and J. Woerdman, “Orbital angular momentum of light and the transformation of Laguerre-Gaussian laser modes,” Phys. Rev. A45, 8185–8189 (1992).

[CrossRef]
[PubMed]

S. Bose and V. Vedral, “Mixedness and teleportation,” Phys. Rev. A61, 040101(R) (2000).

[CrossRef]

M. Agnew, J. Leach, M. McLaren, F. Roux, and R. Boyd, “Tomography of the quantum state of photons entangled in high dimensions,” Phys. Rev. A84, 062101 (2011).

[CrossRef]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

A. Dada, J. Leach, G. Buller, M. Padgett, and E. Andersson, “Experimental high-dimensional two-photon entanglement and violations of the generalized Bell inequalities,” Nat. Phys.7, 677–680 (2011).

[CrossRef]

M. Nielsen and I. Chuang, Quantum Computation and Quantum Information (Cambridge University Press, Cambridge, England, 2000).

J. Clauser, M. Horne, A. Shimony, and R. Holt, “Proposed experiment to test local hidden-variable theories,” Phys. Rev. Lett.23, 880–884 (1969).

[CrossRef]

D. Collins, N. Gisin, N. Linden, S. Massar, and S. Popescu, “Bell inequalities for arbitrarily high-dimensional systems,” Phys. Rev. Lett.88, 040404 (2002).

[CrossRef]
[PubMed]

A. Dada, J. Leach, G. Buller, M. Padgett, and E. Andersson, “Experimental high-dimensional two-photon entanglement and violations of the generalized Bell inequalities,” Nat. Phys.7, 677–680 (2011).

[CrossRef]

R. Grobe, K. Rzazewski, and J. Eberly, “Measure of electron-electron correlation in atomic physics,” J. Phys. B-At. Mol. Opt.27, L503–L508 (1994).

[CrossRef]

J. Durnin, J. Miceli, and J. Eberly, “Diffraction-free beams,” Phys. Rev. Lett.58, 1499–1501 (1987).

[CrossRef]
[PubMed]

A. Ekert, “Quantum cryptography based on Bells theorem,” Phys. Rev. Lett.67, 661–663 (1991).

[CrossRef]
[PubMed]

V. Salakhutdinov, E. Eliel, and W. Löffler, “Full-field quantum correlations of spatially entangled photons,” Phys. Rev. Lett.108, 173604 (2012).

[CrossRef]
[PubMed]

Franke-Arnold, S. S. Barnett, M. Padgett, and L. Allen, “Two-photon entanglement of orbital angular momentum states,” Phys. Rev. A65(3), 033823 (2002).

[CrossRef]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, “Quantum cryptograpy,” Rev. Mod. Phys.74, 145–195 (2002).

[CrossRef]

D. Collins, N. Gisin, N. Linden, S. Massar, and S. Popescu, “Bell inequalities for arbitrarily high-dimensional systems,” Phys. Rev. Lett.88, 040404 (2002).

[CrossRef]
[PubMed]

F. Gori, G. Guattari, and C. Padovani, “Bessel-Gauss beams,” Opt. Commun.64, 491–495 (1987).

[CrossRef]

R. Grobe, K. Rzazewski, and J. Eberly, “Measure of electron-electron correlation in atomic physics,” J. Phys. B-At. Mol. Opt.27, L503–L508 (1994).

[CrossRef]

F. Gori, G. Guattari, and C. Padovani, “Bessel-Gauss beams,” Opt. Commun.64, 491–495 (1987).

[CrossRef]

J. Clauser, M. Horne, A. Shimony, and R. Holt, “Proposed experiment to test local hidden-variable theories,” Phys. Rev. Lett.23, 880–884 (1969).

[CrossRef]

J. Clauser, M. Horne, A. Shimony, and R. Holt, “Proposed experiment to test local hidden-variable theories,” Phys. Rev. Lett.23, 880–884 (1969).

[CrossRef]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

B. Jack, J. Leach, H. Ritsch, S. Barnett, and M. Padgett, “Precise quantum tomography of photon pairs with entangled orbital angular momentum,” New J. of Phys.811, 103024 (2009).

[CrossRef]

D. James, P. Kwiat, W. Munro, and A. White, “Measurement of qubits,” Phys. Rev. A64, 052312 (2001).

[CrossRef]

A. Vaziri, J.W Pan, T. Jennewein, G. Weihs, and A. Zeilinger, “Concentration of higher-dimensional entanglement: Qutrits of photon orbital angular momentum,” Phys. Rev. Lett.91, 227902 (2003).

[CrossRef]
[PubMed]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

D. James, P. Kwiat, W. Munro, and A. White, “Measurement of qubits,” Phys. Rev. A64, 052312 (2001).

[CrossRef]

A. Dada, J. Leach, G. Buller, M. Padgett, and E. Andersson, “Experimental high-dimensional two-photon entanglement and violations of the generalized Bell inequalities,” Nat. Phys.7, 677–680 (2011).

[CrossRef]

M. Agnew, J. Leach, M. McLaren, F. Roux, and R. Boyd, “Tomography of the quantum state of photons entangled in high dimensions,” Phys. Rev. A84, 062101 (2011).

[CrossRef]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

B. Jack, J. Leach, H. Ritsch, S. Barnett, and M. Padgett, “Precise quantum tomography of photon pairs with entangled orbital angular momentum,” New J. of Phys.811, 103024 (2009).

[CrossRef]

D. Collins, N. Gisin, N. Linden, S. Massar, and S. Popescu, “Bell inequalities for arbitrarily high-dimensional systems,” Phys. Rev. Lett.88, 040404 (2002).

[CrossRef]
[PubMed]

V. Salakhutdinov, E. Eliel, and W. Löffler, “Full-field quantum correlations of spatially entangled photons,” Phys. Rev. Lett.108, 173604 (2012).

[CrossRef]
[PubMed]

A. Mair, A. Vaziri, G. Weihs, and A. Zeilinger, “Entanglement of the orbital angular momentum states of photons,” Nature412, 313–316 (2001).

[CrossRef]
[PubMed]

D. Collins, N. Gisin, N. Linden, S. Massar, and S. Popescu, “Bell inequalities for arbitrarily high-dimensional systems,” Phys. Rev. Lett.88, 040404 (2002).

[CrossRef]
[PubMed]

M. Agnew, J. Leach, M. McLaren, F. Roux, and R. Boyd, “Tomography of the quantum state of photons entangled in high dimensions,” Phys. Rev. A84, 062101 (2011).

[CrossRef]

J. Durnin, J. Miceli, and J. Eberly, “Diffraction-free beams,” Phys. Rev. Lett.58, 1499–1501 (1987).

[CrossRef]
[PubMed]

D. James, P. Kwiat, W. Munro, and A. White, “Measurement of qubits,” Phys. Rev. A64, 052312 (2001).

[CrossRef]

R.T. Thew, K. Nemoto, A.G. White, and W.J. Munro, “Qudit quantum-state tomography,” Phys. Rev. A66, 012303 (2002).

[CrossRef]

R.T. Thew, K. Nemoto, A.G. White, and W.J. Munro, “Qudit quantum-state tomography,” Phys. Rev. A66, 012303 (2002).

[CrossRef]

M. Nielsen and I. Chuang, Quantum Computation and Quantum Information (Cambridge University Press, Cambridge, England, 2000).

A. Dada, J. Leach, G. Buller, M. Padgett, and E. Andersson, “Experimental high-dimensional two-photon entanglement and violations of the generalized Bell inequalities,” Nat. Phys.7, 677–680 (2011).

[CrossRef]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

B. Jack, J. Leach, H. Ritsch, S. Barnett, and M. Padgett, “Precise quantum tomography of photon pairs with entangled orbital angular momentum,” New J. of Phys.811, 103024 (2009).

[CrossRef]

Franke-Arnold, S. S. Barnett, M. Padgett, and L. Allen, “Two-photon entanglement of orbital angular momentum states,” Phys. Rev. A65(3), 033823 (2002).

[CrossRef]

F. Gori, G. Guattari, and C. Padovani, “Bessel-Gauss beams,” Opt. Commun.64, 491–495 (1987).

[CrossRef]

A. Vaziri, J.W Pan, T. Jennewein, G. Weihs, and A. Zeilinger, “Concentration of higher-dimensional entanglement: Qutrits of photon orbital angular momentum,” Phys. Rev. Lett.91, 227902 (2003).

[CrossRef]
[PubMed]

T. Pittman, Y. Shih, D. Strekalov, and A. Sergienko, “Optical imaging by means of two-photon quantum entanglement,” Phys. Rev. A52, R3429–R3432 (1995).

[CrossRef]
[PubMed]

D. Collins, N. Gisin, N. Linden, S. Massar, and S. Popescu, “Bell inequalities for arbitrarily high-dimensional systems,” Phys. Rev. Lett.88, 040404 (2002).

[CrossRef]
[PubMed]

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, “Quantum cryptograpy,” Rev. Mod. Phys.74, 145–195 (2002).

[CrossRef]

B. Jack, J. Leach, H. Ritsch, S. Barnett, and M. Padgett, “Precise quantum tomography of photon pairs with entangled orbital angular momentum,” New J. of Phys.811, 103024 (2009).

[CrossRef]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

M. Agnew, J. Leach, M. McLaren, F. Roux, and R. Boyd, “Tomography of the quantum state of photons entangled in high dimensions,” Phys. Rev. A84, 062101 (2011).

[CrossRef]

R. Grobe, K. Rzazewski, and J. Eberly, “Measure of electron-electron correlation in atomic physics,” J. Phys. B-At. Mol. Opt.27, L503–L508 (1994).

[CrossRef]

V. Salakhutdinov, E. Eliel, and W. Löffler, “Full-field quantum correlations of spatially entangled photons,” Phys. Rev. Lett.108, 173604 (2012).

[CrossRef]
[PubMed]

T. Pittman, Y. Shih, D. Strekalov, and A. Sergienko, “Optical imaging by means of two-photon quantum entanglement,” Phys. Rev. A52, R3429–R3432 (1995).

[CrossRef]
[PubMed]

T. Pittman, Y. Shih, D. Strekalov, and A. Sergienko, “Optical imaging by means of two-photon quantum entanglement,” Phys. Rev. A52, R3429–R3432 (1995).

[CrossRef]
[PubMed]

J. Clauser, M. Horne, A. Shimony, and R. Holt, “Proposed experiment to test local hidden-variable theories,” Phys. Rev. Lett.23, 880–884 (1969).

[CrossRef]

L. Allen, M. Beijersbergen, R. Spreeuw, and J. Woerdman, “Orbital angular momentum of light and the transformation of Laguerre-Gaussian laser modes,” Phys. Rev. A45, 8185–8189 (1992).

[CrossRef]
[PubMed]

T. Pittman, Y. Shih, D. Strekalov, and A. Sergienko, “Optical imaging by means of two-photon quantum entanglement,” Phys. Rev. A52, R3429–R3432 (1995).

[CrossRef]
[PubMed]

R.T. Thew, K. Nemoto, A.G. White, and W.J. Munro, “Qudit quantum-state tomography,” Phys. Rev. A66, 012303 (2002).

[CrossRef]

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, “Quantum cryptograpy,” Rev. Mod. Phys.74, 145–195 (2002).

[CrossRef]

A. Vaziri, J.W Pan, T. Jennewein, G. Weihs, and A. Zeilinger, “Concentration of higher-dimensional entanglement: Qutrits of photon orbital angular momentum,” Phys. Rev. Lett.91, 227902 (2003).

[CrossRef]
[PubMed]

A. Mair, A. Vaziri, G. Weihs, and A. Zeilinger, “Entanglement of the orbital angular momentum states of photons,” Nature412, 313–316 (2001).

[CrossRef]
[PubMed]

S. Bose and V. Vedral, “Mixedness and teleportation,” Phys. Rev. A61, 040101(R) (2000).

[CrossRef]

A. Vaziri, J.W Pan, T. Jennewein, G. Weihs, and A. Zeilinger, “Concentration of higher-dimensional entanglement: Qutrits of photon orbital angular momentum,” Phys. Rev. Lett.91, 227902 (2003).

[CrossRef]
[PubMed]

A. Mair, A. Vaziri, G. Weihs, and A. Zeilinger, “Entanglement of the orbital angular momentum states of photons,” Nature412, 313–316 (2001).

[CrossRef]
[PubMed]

D. James, P. Kwiat, W. Munro, and A. White, “Measurement of qubits,” Phys. Rev. A64, 052312 (2001).

[CrossRef]

R.T. Thew, K. Nemoto, A.G. White, and W.J. Munro, “Qudit quantum-state tomography,” Phys. Rev. A66, 012303 (2002).

[CrossRef]

L. Allen, M. Beijersbergen, R. Spreeuw, and J. Woerdman, “Orbital angular momentum of light and the transformation of Laguerre-Gaussian laser modes,” Phys. Rev. A45, 8185–8189 (1992).

[CrossRef]
[PubMed]

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, “Quantum cryptograpy,” Rev. Mod. Phys.74, 145–195 (2002).

[CrossRef]

A. Vaziri, J.W Pan, T. Jennewein, G. Weihs, and A. Zeilinger, “Concentration of higher-dimensional entanglement: Qutrits of photon orbital angular momentum,” Phys. Rev. Lett.91, 227902 (2003).

[CrossRef]
[PubMed]

A. Mair, A. Vaziri, G. Weihs, and A. Zeilinger, “Entanglement of the orbital angular momentum states of photons,” Nature412, 313–316 (2001).

[CrossRef]
[PubMed]

R. Grobe, K. Rzazewski, and J. Eberly, “Measure of electron-electron correlation in atomic physics,” J. Phys. B-At. Mol. Opt.27, L503–L508 (1994).

[CrossRef]

A. Dada, J. Leach, G. Buller, M. Padgett, and E. Andersson, “Experimental high-dimensional two-photon entanglement and violations of the generalized Bell inequalities,” Nat. Phys.7, 677–680 (2011).

[CrossRef]

A. Mair, A. Vaziri, G. Weihs, and A. Zeilinger, “Entanglement of the orbital angular momentum states of photons,” Nature412, 313–316 (2001).

[CrossRef]
[PubMed]

B. Jack, J. Leach, H. Ritsch, S. Barnett, and M. Padgett, “Precise quantum tomography of photon pairs with entangled orbital angular momentum,” New J. of Phys.811, 103024 (2009).

[CrossRef]

F. Gori, G. Guattari, and C. Padovani, “Bessel-Gauss beams,” Opt. Commun.64, 491–495 (1987).

[CrossRef]

J. Leach, B. Jack, M. Ritsch-Marte, R. Boyd, A. Jha, S. Barnett, S. Franke-Arnold, and M. Padgett, “Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces,” Opt. Express17, 8287–8293 (2009).

[CrossRef]
[PubMed]

S. Bose and V. Vedral, “Mixedness and teleportation,” Phys. Rev. A61, 040101(R) (2000).

[CrossRef]

M. Agnew, J. Leach, M. McLaren, F. Roux, and R. Boyd, “Tomography of the quantum state of photons entangled in high dimensions,” Phys. Rev. A84, 062101 (2011).

[CrossRef]

D. James, P. Kwiat, W. Munro, and A. White, “Measurement of qubits,” Phys. Rev. A64, 052312 (2001).

[CrossRef]

R.T. Thew, K. Nemoto, A.G. White, and W.J. Munro, “Qudit quantum-state tomography,” Phys. Rev. A66, 012303 (2002).

[CrossRef]

T. Pittman, Y. Shih, D. Strekalov, and A. Sergienko, “Optical imaging by means of two-photon quantum entanglement,” Phys. Rev. A52, R3429–R3432 (1995).

[CrossRef]
[PubMed]

Franke-Arnold, S. S. Barnett, M. Padgett, and L. Allen, “Two-photon entanglement of orbital angular momentum states,” Phys. Rev. A65(3), 033823 (2002).

[CrossRef]

L. Allen, M. Beijersbergen, R. Spreeuw, and J. Woerdman, “Orbital angular momentum of light and the transformation of Laguerre-Gaussian laser modes,” Phys. Rev. A45, 8185–8189 (1992).

[CrossRef]
[PubMed]

J. Durnin, J. Miceli, and J. Eberly, “Diffraction-free beams,” Phys. Rev. Lett.58, 1499–1501 (1987).

[CrossRef]
[PubMed]

H. Arnaut and G. Barbosa, “Orbital and intrinsic angular momentum of single photons and entangled pairs of photons generated by parametric down-conversion,” Phys. Rev. Lett.85, 286–289 (2000).

[CrossRef]
[PubMed]

A. Ekert, “Quantum cryptography based on Bells theorem,” Phys. Rev. Lett.67, 661–663 (1991).

[CrossRef]
[PubMed]

A. Vaziri, J.W Pan, T. Jennewein, G. Weihs, and A. Zeilinger, “Concentration of higher-dimensional entanglement: Qutrits of photon orbital angular momentum,” Phys. Rev. Lett.91, 227902 (2003).

[CrossRef]
[PubMed]

J. Clauser, M. Horne, A. Shimony, and R. Holt, “Proposed experiment to test local hidden-variable theories,” Phys. Rev. Lett.23, 880–884 (1969).

[CrossRef]

D. Collins, N. Gisin, N. Linden, S. Massar, and S. Popescu, “Bell inequalities for arbitrarily high-dimensional systems,” Phys. Rev. Lett.88, 040404 (2002).

[CrossRef]
[PubMed]

V. Salakhutdinov, E. Eliel, and W. Löffler, “Full-field quantum correlations of spatially entangled photons,” Phys. Rev. Lett.108, 173604 (2012).

[CrossRef]
[PubMed]

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, “Quantum cryptograpy,” Rev. Mod. Phys.74, 145–195 (2002).

[CrossRef]

M. Nielsen and I. Chuang, Quantum Computation and Quantum Information (Cambridge University Press, Cambridge, England, 2000).