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Y. Bromberg, Y. Lahini, R. Morandotti, and Y. Silberberg, “Quantum and classical correlations in waveguide Lattices,” Phys. Rev. Lett., vol. 102, 2009, Art. no. .
R. Brüninget al., “Data transmission with twisted light through a free-space to fiber optical communication link,” J. Opt., vol. 18, no. 3, 2016, Art. no. .
X. Caiet al., “Integrated compact optical vortex beam emitters,” Science, vol. 338, pp. 363–366, 2012.
N. J. Cerf, M. Bourennane, A. Karlsson, and N. Gisin, “Security of quantum key distribution using d-level systems,” Phys. Rev. Lett., vol. 88, 2002, Art. no. .
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L. J. Pereira, A. Z. Khoury, and K. Dechoum, “Quantum and classical separability of spin-orbit laser modes,” Phys. Rev. A, vol. 90, 2014, Art. no. .
R. Keil, F. Dreisow, M. Heinrich, A. Tünnermann, S. Nolte, and A. Szameit, “Classical characterization of biphoton correlation in waveguide lattices,” Phys. Rev. A, vol. 83, 2011, Art. no. .
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C. Schulze, D. Flamm, A. Dudley, A. Forbes, and M. Duparré, “Modal decomposition for measuring the orbital angular momentum density of light,” Proc. SPIE, vol. 8637, 2013, Art. no. .
C. Schulze, D. Flamm, A. Dudley, A. Forbes, and M. Duparré, “Modal decomposition for measuring the orbital angular momentum density of light,” Proc. SPIE, vol. 8637, 2013, Art. no. .
M. Krenn, M. Malik, M. Erhard, and A. Zeilinger, “Orbital angular momentum of photons and the entanglement of Laguerre–Gaussian modes,” Philos. Trans. Roy. Soc. Lond. A, Math. Phys. Eng. Sci., vol. 375, no. 2087, 2017, Art. no. .
Y.-X. Ren, Z.-X. Fang, L. Gong, K. Huang, Y. Chen, and R.-D. Lu, “Digital generation and control of Hermite–Gaussian modes with an amplitude digital micromirror device,” J. Opt., vol. 17, 2015, Art. no. .
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A. Ferenczi and N. Lütkenhaus, “Symmetries in quantum key distribution and the connection between optimal attacks and optimal cloning,” Phys. Rev. A, vol. 85, 2012, Art. no. .
R. Fickler, R. Lapkiewicz, M. Huber, M. P. Lavery, M. J. Padgett, and A. Zeilinger, “Interface between path and orbital angular momentum entanglement for high-dimensional photonic quantum information,” Nature Commun., vol. 5, 2014, Art. no. .
D. J. Richardson, J. M. Fini, and L. E. Nelson, “Space-division multiplexing in optical fibres,” Nature Photon., vol. 7, pp. 354–362, 2013.
T. Herbst, T. Scheidl, M. Fink, J. Handsteiner, B. Wittmann, R. Ursin, and A. Zeilinger, “Teleportation of entanglement over 143 km,” Proc. Nat. Acad. Sci. USA, vol. 112, no. 46, pp. 14202–14205, 2015.
C. Schulze, D. Flamm, A. Dudley, A. Forbes, and M. Duparré, “Modal decomposition for measuring the orbital angular momentum density of light,” Proc. SPIE, vol. 8637, 2013, Art. no. .
A. Forbes, “Controlling light's helicity at the source: Orbital angular momentum states from lasers,” Philos. Trans. Roy. Soc. A, vol. 375, no. 2087, 2017, Art. no. .
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M. McLaren, T. Konrad, and A. Forbes, “Measuring the nonseparability of vector vortex beams,” Phys. Rev. A, vol. 92, no. 2, 2015, Art. no. .
K. A.-A. Darryl Naidoo, M. Fromager, and A. Forbes, “Radially polarized cylindrical vector beams from a monolithic microchip laser,” Opt. Eng., vol. 54, 2015, Art. no. .
C. Schulze, D. Flamm, A. Dudley, A. Forbes, and M. Duparré, “Modal decomposition for measuring the orbital angular momentum density of light,” Proc. SPIE, vol. 8637, 2013, Art. no. .
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C. Maurer, A. Jesacher, S. Fürhapter, S. Bernet, and M. Ritsch-Marte, “Tailoring of arbitrary optical vector beams,” New J. Phys., vol. 9, 2007, Art. no. .
E. J. Galvez, P. R. Crawford, H. I. Sztul, M. J. Pysher, P. J. Haglin, and R. E. Williams, “Geometric phase associated with mode transformations of optical beams bearing orbital angular momentum,” Phys. Rev. Lett., vol. 90, 2003, Art. no. .
F. Yue, D. Wen, J. Xin, B. D. Gerardot, J. Li, and X. Chen, “Vector vortex beam generation with a single plasmonic metasurface,” ACS Photon., vol. 3, pp. 1558–1563, 2016.
F. Töppel, A. Aiello, C. Marquardt, E. Giacobino, and G. Leuchs, “Classical entanglement in polarization metrology,” New J. Phys., vol. 16, 2014, Art. no. .
N. J. Cerf, M. Bourennane, A. Karlsson, and N. Gisin, “Security of quantum key distribution using d-level systems,” Phys. Rev. Lett., vol. 88, 2002, Art. no. .
Y.-X. Ren, Z.-X. Fang, L. Gong, K. Huang, Y. Chen, and R.-D. Lu, “Digital generation and control of Hermite–Gaussian modes with an amplitude digital micromirror device,” J. Opt., vol. 17, 2015, Art. no. .
L. Gonget al., “Generation of cylindrically polarized vector vortex beams with digital micromirror device,” J. Appl. Phys., vol. 116, no. 18, 2014, Art. no. .
S. K. Goyal, A. H. Ibrahim, F. S. Roux, T. Konrad, and A. Forbes, “The effect of turbulence on entanglement-based free-space quantum key distribution with photonic orbital angular momentum,” J. Opt., vol. 18, no. 6, 2016, Art. no. .
S. Gröblacher, T. Jennewein, A. Vaziri, G. Weihs, and A. Zeilinger, “Experimental quantum cryptography with qutrits,” New J. Phys., vol. 8, pp. 75–83, 2006.
D. Guzman-Silvaet al., “Demonstration of local teleportation using classical entanglement,” Laser Photon. Rev., vol. 10, no. 2, pp. 317–321, 2016.
E. J. Galvez, P. R. Crawford, H. I. Sztul, M. J. Pysher, P. J. Haglin, and R. E. Williams, “Geometric phase associated with mode transformations of optical beams bearing orbital angular momentum,” Phys. Rev. Lett., vol. 90, 2003, Art. no. .
T. Herbst, T. Scheidl, M. Fink, J. Handsteiner, B. Wittmann, R. Ursin, and A. Zeilinger, “Teleportation of entanglement over 143 km,” Proc. Nat. Acad. Sci. USA, vol. 112, no. 46, pp. 14202–14205, 2015.
A. Niv, G. Biener, V. Kleiner, and E. Hasman, “Spiral phase elements obtained by use of discrete space-variant subwavelength gratings,” Opt. Commun., vol. 251, pp. 306–314, 2005.
E. Hasman, V. Kleiner, G. Biener, and A. Niv, “Polarization dependent focusing lens by use of quantized Pancharatnam-Berry phase diffractive optics,” Appl. Phys. Lett., vol. 82, no. 3, pp. 328–330, 2003.
R. Keil, F. Dreisow, M. Heinrich, A. Tünnermann, S. Nolte, and A. Szameit, “Classical characterization of biphoton correlation in waveguide lattices,” Phys. Rev. A, vol. 83, 2011, Art. no. .
R. Keil, A. Szameit, F. Dreisow, M. Heinrich, S. Nolte, and A. Tünnermann, “Photon correlations in two-dimensional waveguide arrays and their classical estimate,” Phys. Rev. A, vol. 81, 2010, Art. no. .
T. Herbst, T. Scheidl, M. Fink, J. Handsteiner, B. Wittmann, R. Ursin, and A. Zeilinger, “Teleportation of entanglement over 143 km,” Proc. Nat. Acad. Sci. USA, vol. 112, no. 46, pp. 14202–14205, 2015.
Y.-X. Ren, Z.-X. Fang, L. Gong, K. Huang, Y. Chen, and R.-D. Lu, “Digital generation and control of Hermite–Gaussian modes with an amplitude digital micromirror device,” J. Opt., vol. 17, 2015, Art. no. .
R. Fickler, R. Lapkiewicz, M. Huber, M. P. Lavery, M. J. Padgett, and A. Zeilinger, “Interface between path and orbital angular momentum entanglement for high-dimensional photonic quantum information,” Nature Commun., vol. 5, 2014, Art. no. .
C. E. R. Souza, C. V. S. Borges, A. Z. Khoury, J. A. O. Huguenin, L. Aolita, and S. P. Walborn, “Quantum key distribution without a shared reference frame,” Phys. Rev. A, vol. 77, 2008, Art. no. .
S. K. Goyal, A. H. Ibrahim, F. S. Roux, T. Konrad, and A. Forbes, “The effect of turbulence on entanglement-based free-space quantum key distribution with photonic orbital angular momentum,” J. Opt., vol. 18, no. 6, 2016, Art. no. .
S. Iwahashi, Y. Kurosaka, K. Sakai, K. Kitamura, N. Takayama, and S. Noda, “Higher-order vector beams produced by photonic-crystal lasers,” Opt. Express, vol. 19, no. 13, pp. 119163–119168, 2011.
S. Gröblacher, T. Jennewein, A. Vaziri, G. Weihs, and A. Zeilinger, “Experimental quantum cryptography with qutrits,” New J. Phys., vol. 8, pp. 75–83, 2006.
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C. Maurer, A. Jesacher, S. Fürhapter, S. Bernet, and M. Ritsch-Marte, “Tailoring of arbitrary optical vector beams,” New J. Phys., vol. 9, 2007, Art. no. .
E. Karimi and R. W. Boyd, “Classical entanglement?” Science, vol. 350, pp. 1172–1173, 2015.
E. Karimiet al., “Spin-orbit hybrid entanglement of photons and quantum contextuality,” Phys. Rev. A, vol. 82, 2010, Art. no. .
N. J. Cerf, M. Bourennane, A. Karlsson, and N. Gisin, “Security of quantum key distribution using d-level systems,” Phys. Rev. Lett., vol. 88, 2002, Art. no. .
R. Keil, F. Dreisow, M. Heinrich, A. Tünnermann, S. Nolte, and A. Szameit, “Classical characterization of biphoton correlation in waveguide lattices,” Phys. Rev. A, vol. 83, 2011, Art. no. .
R. Keil, A. Szameit, F. Dreisow, M. Heinrich, S. Nolte, and A. Tünnermann, “Photon correlations in two-dimensional waveguide arrays and their classical estimate,” Phys. Rev. A, vol. 81, 2010, Art. no. .
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