N. Aleksić, M. Petrović, A. Strinić, and M. Belić, “Solitons in highly nonlocal nematic liquid crystals: variational approach,” Phys. Rev. A 85, 033826 (2012).

[CrossRef]

M. S. Petrović, M. R. Belić, C. Denz, and Y. S. Kivshar, “Counterpropagating optical beams and solitons,” Laser Photon. Rev. 5, 214–233 (2011).

[CrossRef]

D. Jović, R. Jovanović, S. Prvanović, M. Petrović, and M. Belić, “Counterpropagating beams in rotationally symmetric photonic lattices,” Opt. Mater. 30, 1173–1176 (2008).

[CrossRef]

K. Motzek, M. Belić, T. Richter, C. Denz, A. Desyatnikov, P. Jander, and F. Kaiser, “Counterpropagating beams in biased photorefractive crystals: anisotropic theory,” Phys. Rev. E 71, 016610 (2005).

[CrossRef]

E. DelRe, A. D’Ercole, and E. Palange, “Mechanisms supporting long propagation regimes of photorefractive solitons,” Phys. Rev. E 71, 036610 (2005).

[CrossRef]

E. DelRe, G. De Masi, A. Ciattoni, and E. Palange, “Pairing space-charge field conditions with self-guiding for the attainment of circular symmetry in photorefractive solitons,” Appl. Phys. Lett. 85, 5499–5501 (2004).

[CrossRef]

R. J. Potton, “Reciprocity in optics,” Rep. Prog. Phys. 67, 717–754 (2004).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

J. Yang, I. Makasyuk, A. Bezryadina, and Z. Chen, “Dipole and quadrupole solitons in optically induced two-dimensional photonic lattices: theory and experiment,” Stud. Appl. Math. 113, 389–412 (2004).

[CrossRef]

C. Rotschild, O. Cohen, O. Manela, T. Carmon, and M. Segev, “Interactions between spatial screening solitons propagating in opposite directions,” J. Opt. Soc. Am. B 21, 1354–1357(2004).

[CrossRef]

K. Motzek, P. Jander, A. Desyatnikov, M. Belić, C. Denz, and F. Kaiser, “Dynamic counterpropagating vector solitons in saturable self-focusing media,” Phys. Rev. E 68, 066611(2003).

[CrossRef]

D. Kip, C. Herden, and M. Wesner, “All-optical signal routing using interaction of mutually incoherent spatial solitons,” Ferroelectrics 274, 135–142 (2002).

M. R. Belić, D. Vujić, A. Stepken, F. Kaiser, G. F. Calvo, F. Agullo-Lopez, and M. Carrascosa, “Isotropic versus anisotropic modeling of photorefractive solitons,” Phys. Rev. E 65, 066610 (2002).

[CrossRef]

O. Cohen, S. Lan, T. Carmon, J. A. Giordmaine, and M. Segev, “Spatial vector solitons consisting of counterpropagating fields,” Opt. Lett. 27, 2013–2015 (2002).

[CrossRef]

E. DelRe, A. Ciattoni, B. Crosignani, and P. Di Porto, “Nonlinear optical propagation phenomena in near-transition centrosymmetric photorefractive crystals,” J. Nonlinear Opt. Phys. Mater. 8, 1–20 (1999).

[CrossRef]

M. V. Tratnik and J. E. Sipe, “Bound solitary waves in a birefringent optical fibre,” Phys. Rev. A 38, 2011–2017 (1988).

[CrossRef]

D. Anderson, “Variational approach to nonlinear pulse propagation in optical fibers,” Phys. Rev. A 27, 3135–3145 (1983).

[CrossRef]

V. I. Petviashvili, “Equation of an extraordinary soliton,” Fiz. Plazmy 2, 469–471 (1976).

M. J. Ablowitz and P. A. Clarkson, Solitons, Nonlinear Evolution Equations, and Inverse Scattering (Cambridge University, 1991).

Y. S. Kivshar and G. P. Agrawal, Optical Solitons: From Fibers to Photonic Crystals (Academic, 2003).

M. R. Belić, D. Vujić, A. Stepken, F. Kaiser, G. F. Calvo, F. Agullo-Lopez, and M. Carrascosa, “Isotropic versus anisotropic modeling of photorefractive solitons,” Phys. Rev. E 65, 066610 (2002).

[CrossRef]

N. N. Akhmediev and A. A. Ankiewicz, Solitons (Chapman & Hall, 1997).

N. Aleksić, M. Petrović, A. Strinić, and M. Belić, “Solitons in highly nonlocal nematic liquid crystals: variational approach,” Phys. Rev. A 85, 033826 (2012).

[CrossRef]

M. S. Petrović, A. I. Strinić, N. B. Aleksić, and M. R. Belić, “Do shape invariant solitons in highly nonlocal nematic liquid crystals really exist?,” arXiv:1110.5053v1 [physics.optics] (2011).

D. Anderson, “Variational approach to nonlinear pulse propagation in optical fibers,” Phys. Rev. A 27, 3135–3145 (1983).

[CrossRef]

N. N. Akhmediev and A. A. Ankiewicz, Solitons (Chapman & Hall, 1997).

N. Aleksić, M. Petrović, A. Strinić, and M. Belić, “Solitons in highly nonlocal nematic liquid crystals: variational approach,” Phys. Rev. A 85, 033826 (2012).

[CrossRef]

D. Jović, R. Jovanović, S. Prvanović, M. Petrović, and M. Belić, “Counterpropagating beams in rotationally symmetric photonic lattices,” Opt. Mater. 30, 1173–1176 (2008).

[CrossRef]

M. Belić, D. Jović, S. Prvanović, D. Arsenović, and M. Petrović, “Counterpropagating self-trapped beams in optical photonic lattices,” Opt. Express 14, 794–799 (2006).

[CrossRef]

K. Motzek, M. Belić, T. Richter, C. Denz, A. Desyatnikov, P. Jander, and F. Kaiser, “Counterpropagating beams in biased photorefractive crystals: anisotropic theory,” Phys. Rev. E 71, 016610 (2005).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

K. Motzek, P. Jander, A. Desyatnikov, M. Belić, C. Denz, and F. Kaiser, “Dynamic counterpropagating vector solitons in saturable self-focusing media,” Phys. Rev. E 68, 066611(2003).

[CrossRef]

M. S. Petrović, M. R. Belić, C. Denz, and Y. S. Kivshar, “Counterpropagating optical beams and solitons,” Laser Photon. Rev. 5, 214–233 (2011).

[CrossRef]

M. R. Belić, D. Vujić, A. Stepken, F. Kaiser, G. F. Calvo, F. Agullo-Lopez, and M. Carrascosa, “Isotropic versus anisotropic modeling of photorefractive solitons,” Phys. Rev. E 65, 066610 (2002).

[CrossRef]

M. S. Petrović, A. I. Strinić, N. B. Aleksić, and M. R. Belić, “Do shape invariant solitons in highly nonlocal nematic liquid crystals really exist?,” arXiv:1110.5053v1 [physics.optics] (2011).

T. C. Lin, M. R. Belić, M. S. Petrović, and G. Chen, “Ground state of nonlinear Schrödinger systems with saturable nonlinearity,” arXiv:1208.6259v1 [math-ph] (2012).

J. Yang, I. Makasyuk, A. Bezryadina, and Z. Chen, “Dipole and quadrupole solitons in optically induced two-dimensional photonic lattices: theory and experiment,” Stud. Appl. Math. 113, 389–412 (2004).

[CrossRef]

M. R. Belić, D. Vujić, A. Stepken, F. Kaiser, G. F. Calvo, F. Agullo-Lopez, and M. Carrascosa, “Isotropic versus anisotropic modeling of photorefractive solitons,” Phys. Rev. E 65, 066610 (2002).

[CrossRef]

C. Rotschild, O. Cohen, O. Manela, T. Carmon, and M. Segev, “Interactions between spatial screening solitons propagating in opposite directions,” J. Opt. Soc. Am. B 21, 1354–1357(2004).

[CrossRef]

O. Cohen, S. Lan, T. Carmon, J. A. Giordmaine, and M. Segev, “Spatial vector solitons consisting of counterpropagating fields,” Opt. Lett. 27, 2013–2015 (2002).

[CrossRef]

M. R. Belić, D. Vujić, A. Stepken, F. Kaiser, G. F. Calvo, F. Agullo-Lopez, and M. Carrascosa, “Isotropic versus anisotropic modeling of photorefractive solitons,” Phys. Rev. E 65, 066610 (2002).

[CrossRef]

T. C. Lin, M. R. Belić, M. S. Petrović, and G. Chen, “Ground state of nonlinear Schrödinger systems with saturable nonlinearity,” arXiv:1208.6259v1 [math-ph] (2012).

J. Yang, I. Makasyuk, A. Bezryadina, and Z. Chen, “Dipole and quadrupole solitons in optically induced two-dimensional photonic lattices: theory and experiment,” Stud. Appl. Math. 113, 389–412 (2004).

[CrossRef]

A. Ciattoni, A. Marini, C. Rizza, and E. DelRe, “Collision and fusion of counterpropagating micrometer-sized optical beams in periodically biased photorefractive crystals,” Opt. Lett. 34, 911–913 (2009).

[CrossRef]

E. DelRe, G. De Masi, A. Ciattoni, and E. Palange, “Pairing space-charge field conditions with self-guiding for the attainment of circular symmetry in photorefractive solitons,” Appl. Phys. Lett. 85, 5499–5501 (2004).

[CrossRef]

E. DelRe, A. Ciattoni, and A. J. Agranat, “Anisotropic charge displacement supporting isolated photorefractive optical needles,” Opt. Lett. 26, 908–910 (2001).

[CrossRef]

E. DelRe, A. Ciattoni, B. Crosignani, and P. Di Porto, “Nonlinear optical propagation phenomena in near-transition centrosymmetric photorefractive crystals,” J. Nonlinear Opt. Phys. Mater. 8, 1–20 (1999).

[CrossRef]

M. J. Ablowitz and P. A. Clarkson, Solitons, Nonlinear Evolution Equations, and Inverse Scattering (Cambridge University, 1991).

C. Rotschild, O. Cohen, O. Manela, T. Carmon, and M. Segev, “Interactions between spatial screening solitons propagating in opposite directions,” J. Opt. Soc. Am. B 21, 1354–1357(2004).

[CrossRef]

O. Cohen, S. Lan, T. Carmon, J. A. Giordmaine, and M. Segev, “Spatial vector solitons consisting of counterpropagating fields,” Opt. Lett. 27, 2013–2015 (2002).

[CrossRef]

E. DelRe, A. Ciattoni, B. Crosignani, and P. Di Porto, “Nonlinear optical propagation phenomena in near-transition centrosymmetric photorefractive crystals,” J. Nonlinear Opt. Phys. Mater. 8, 1–20 (1999).

[CrossRef]

E. DelRe, A. D’Ercole, and E. Palange, “Mechanisms supporting long propagation regimes of photorefractive solitons,” Phys. Rev. E 71, 036610 (2005).

[CrossRef]

E. DelRe, G. De Masi, A. Ciattoni, and E. Palange, “Pairing space-charge field conditions with self-guiding for the attainment of circular symmetry in photorefractive solitons,” Appl. Phys. Lett. 85, 5499–5501 (2004).

[CrossRef]

A. Ciattoni, A. Marini, C. Rizza, and E. DelRe, “Collision and fusion of counterpropagating micrometer-sized optical beams in periodically biased photorefractive crystals,” Opt. Lett. 34, 911–913 (2009).

[CrossRef]

E. DelRe, A. D’Ercole, and E. Palange, “Mechanisms supporting long propagation regimes of photorefractive solitons,” Phys. Rev. E 71, 036610 (2005).

[CrossRef]

E. DelRe, G. De Masi, A. Ciattoni, and E. Palange, “Pairing space-charge field conditions with self-guiding for the attainment of circular symmetry in photorefractive solitons,” Appl. Phys. Lett. 85, 5499–5501 (2004).

[CrossRef]

E. DelRe, A. Ciattoni, and A. J. Agranat, “Anisotropic charge displacement supporting isolated photorefractive optical needles,” Opt. Lett. 26, 908–910 (2001).

[CrossRef]

E. DelRe, A. Ciattoni, B. Crosignani, and P. Di Porto, “Nonlinear optical propagation phenomena in near-transition centrosymmetric photorefractive crystals,” J. Nonlinear Opt. Phys. Mater. 8, 1–20 (1999).

[CrossRef]

M. S. Petrović, M. R. Belić, C. Denz, and Y. S. Kivshar, “Counterpropagating optical beams and solitons,” Laser Photon. Rev. 5, 214–233 (2011).

[CrossRef]

K. Motzek, M. Belić, T. Richter, C. Denz, A. Desyatnikov, P. Jander, and F. Kaiser, “Counterpropagating beams in biased photorefractive crystals: anisotropic theory,” Phys. Rev. E 71, 016610 (2005).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

K. Motzek, P. Jander, A. Desyatnikov, M. Belić, C. Denz, and F. Kaiser, “Dynamic counterpropagating vector solitons in saturable self-focusing media,” Phys. Rev. E 68, 066611(2003).

[CrossRef]

K. Motzek, M. Belić, T. Richter, C. Denz, A. Desyatnikov, P. Jander, and F. Kaiser, “Counterpropagating beams in biased photorefractive crystals: anisotropic theory,” Phys. Rev. E 71, 016610 (2005).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

K. Motzek, P. Jander, A. Desyatnikov, M. Belić, C. Denz, and F. Kaiser, “Dynamic counterpropagating vector solitons in saturable self-focusing media,” Phys. Rev. E 68, 066611(2003).

[CrossRef]

E. DelRe, A. Ciattoni, B. Crosignani, and P. Di Porto, “Nonlinear optical propagation phenomena in near-transition centrosymmetric photorefractive crystals,” J. Nonlinear Opt. Phys. Mater. 8, 1–20 (1999).

[CrossRef]

D. Kip, C. Herden, and M. Wesner, “All-optical signal routing using interaction of mutually incoherent spatial solitons,” Ferroelectrics 274, 135–142 (2002).

K. Motzek, M. Belić, T. Richter, C. Denz, A. Desyatnikov, P. Jander, and F. Kaiser, “Counterpropagating beams in biased photorefractive crystals: anisotropic theory,” Phys. Rev. E 71, 016610 (2005).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

K. Motzek, P. Jander, A. Desyatnikov, M. Belić, C. Denz, and F. Kaiser, “Dynamic counterpropagating vector solitons in saturable self-focusing media,” Phys. Rev. E 68, 066611(2003).

[CrossRef]

D. Jović, R. Jovanović, S. Prvanović, M. Petrović, and M. Belić, “Counterpropagating beams in rotationally symmetric photonic lattices,” Opt. Mater. 30, 1173–1176 (2008).

[CrossRef]

D. Jović, R. Jovanović, S. Prvanović, M. Petrović, and M. Belić, “Counterpropagating beams in rotationally symmetric photonic lattices,” Opt. Mater. 30, 1173–1176 (2008).

[CrossRef]

M. Belić, D. Jović, S. Prvanović, D. Arsenović, and M. Petrović, “Counterpropagating self-trapped beams in optical photonic lattices,” Opt. Express 14, 794–799 (2006).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

K. Motzek, M. Belić, T. Richter, C. Denz, A. Desyatnikov, P. Jander, and F. Kaiser, “Counterpropagating beams in biased photorefractive crystals: anisotropic theory,” Phys. Rev. E 71, 016610 (2005).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

K. Motzek, P. Jander, A. Desyatnikov, M. Belić, C. Denz, and F. Kaiser, “Dynamic counterpropagating vector solitons in saturable self-focusing media,” Phys. Rev. E 68, 066611(2003).

[CrossRef]

M. R. Belić, D. Vujić, A. Stepken, F. Kaiser, G. F. Calvo, F. Agullo-Lopez, and M. Carrascosa, “Isotropic versus anisotropic modeling of photorefractive solitons,” Phys. Rev. E 65, 066610 (2002).

[CrossRef]

D. Kip, C. Herden, and M. Wesner, “All-optical signal routing using interaction of mutually incoherent spatial solitons,” Ferroelectrics 274, 135–142 (2002).

M. S. Petrović, M. R. Belić, C. Denz, and Y. S. Kivshar, “Counterpropagating optical beams and solitons,” Laser Photon. Rev. 5, 214–233 (2011).

[CrossRef]

Y. S. Kivshar and G. P. Agrawal, Optical Solitons: From Fibers to Photonic Crystals (Academic, 2003).

G. L. Lamb, Elements of Soliton Theory (Wiley, 1980).

E. H. Lieb and M. Loss, Analysis, 2nd ed. (American Mathematical Society, 2001).

T. C. Lin, M. R. Belić, M. S. Petrović, and G. Chen, “Ground state of nonlinear Schrödinger systems with saturable nonlinearity,” arXiv:1208.6259v1 [math-ph] (2012).

E. H. Lieb and M. Loss, Analysis, 2nd ed. (American Mathematical Society, 2001).

J. Yang, I. Makasyuk, A. Bezryadina, and Z. Chen, “Dipole and quadrupole solitons in optically induced two-dimensional photonic lattices: theory and experiment,” Stud. Appl. Math. 113, 389–412 (2004).

[CrossRef]

S. Novikov, S. V. Manakov, L. P. Pitaevskii, and V. E. Zakharov, Theory of Solitons: The Inverse Scattering Method (Plenum, 1984).

K. Motzek, M. Belić, T. Richter, C. Denz, A. Desyatnikov, P. Jander, and F. Kaiser, “Counterpropagating beams in biased photorefractive crystals: anisotropic theory,” Phys. Rev. E 71, 016610 (2005).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

K. Motzek, P. Jander, A. Desyatnikov, M. Belić, C. Denz, and F. Kaiser, “Dynamic counterpropagating vector solitons in saturable self-focusing media,” Phys. Rev. E 68, 066611(2003).

[CrossRef]

S. Novikov, S. V. Manakov, L. P. Pitaevskii, and V. E. Zakharov, Theory of Solitons: The Inverse Scattering Method (Plenum, 1984).

E. DelRe, A. D’Ercole, and E. Palange, “Mechanisms supporting long propagation regimes of photorefractive solitons,” Phys. Rev. E 71, 036610 (2005).

[CrossRef]

E. DelRe, G. De Masi, A. Ciattoni, and E. Palange, “Pairing space-charge field conditions with self-guiding for the attainment of circular symmetry in photorefractive solitons,” Appl. Phys. Lett. 85, 5499–5501 (2004).

[CrossRef]

N. Aleksić, M. Petrović, A. Strinić, and M. Belić, “Solitons in highly nonlocal nematic liquid crystals: variational approach,” Phys. Rev. A 85, 033826 (2012).

[CrossRef]

D. Jović, R. Jovanović, S. Prvanović, M. Petrović, and M. Belić, “Counterpropagating beams in rotationally symmetric photonic lattices,” Opt. Mater. 30, 1173–1176 (2008).

[CrossRef]

M. Belić, D. Jović, S. Prvanović, D. Arsenović, and M. Petrović, “Counterpropagating self-trapped beams in optical photonic lattices,” Opt. Express 14, 794–799 (2006).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

M. S. Petrović, M. R. Belić, C. Denz, and Y. S. Kivshar, “Counterpropagating optical beams and solitons,” Laser Photon. Rev. 5, 214–233 (2011).

[CrossRef]

M. S. Petrović, A. I. Strinić, N. B. Aleksić, and M. R. Belić, “Do shape invariant solitons in highly nonlocal nematic liquid crystals really exist?,” arXiv:1110.5053v1 [physics.optics] (2011).

T. C. Lin, M. R. Belić, M. S. Petrović, and G. Chen, “Ground state of nonlinear Schrödinger systems with saturable nonlinearity,” arXiv:1208.6259v1 [math-ph] (2012).

V. I. Petviashvili, “Equation of an extraordinary soliton,” Fiz. Plazmy 2, 469–471 (1976).

S. Novikov, S. V. Manakov, L. P. Pitaevskii, and V. E. Zakharov, Theory of Solitons: The Inverse Scattering Method (Plenum, 1984).

R. J. Potton, “Reciprocity in optics,” Rep. Prog. Phys. 67, 717–754 (2004).

[CrossRef]

D. Jović, R. Jovanović, S. Prvanović, M. Petrović, and M. Belić, “Counterpropagating beams in rotationally symmetric photonic lattices,” Opt. Mater. 30, 1173–1176 (2008).

[CrossRef]

M. Belić, D. Jović, S. Prvanović, D. Arsenović, and M. Petrović, “Counterpropagating self-trapped beams in optical photonic lattices,” Opt. Express 14, 794–799 (2006).

[CrossRef]

K. Motzek, M. Belić, T. Richter, C. Denz, A. Desyatnikov, P. Jander, and F. Kaiser, “Counterpropagating beams in biased photorefractive crystals: anisotropic theory,” Phys. Rev. E 71, 016610 (2005).

[CrossRef]

C. Rotschild, O. Cohen, O. Manela, T. Carmon, and M. Segev, “Interactions between spatial screening solitons propagating in opposite directions,” J. Opt. Soc. Am. B 21, 1354–1357(2004).

[CrossRef]

O. Cohen, S. Lan, T. Carmon, J. A. Giordmaine, and M. Segev, “Spatial vector solitons consisting of counterpropagating fields,” Opt. Lett. 27, 2013–2015 (2002).

[CrossRef]

M. V. Tratnik and J. E. Sipe, “Bound solitary waves in a birefringent optical fibre,” Phys. Rev. A 38, 2011–2017 (1988).

[CrossRef]

M. R. Belić, D. Vujić, A. Stepken, F. Kaiser, G. F. Calvo, F. Agullo-Lopez, and M. Carrascosa, “Isotropic versus anisotropic modeling of photorefractive solitons,” Phys. Rev. E 65, 066610 (2002).

[CrossRef]

N. Aleksić, M. Petrović, A. Strinić, and M. Belić, “Solitons in highly nonlocal nematic liquid crystals: variational approach,” Phys. Rev. A 85, 033826 (2012).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

M. S. Petrović, A. I. Strinić, N. B. Aleksić, and M. R. Belić, “Do shape invariant solitons in highly nonlocal nematic liquid crystals really exist?,” arXiv:1110.5053v1 [physics.optics] (2011).

C. Sulem and P. Sulem, The Nonlinear Schrödinger Equation: Self-focusing and Wave Collapse (Springer-Verlag, 1999).

C. Sulem and P. Sulem, The Nonlinear Schrödinger Equation: Self-focusing and Wave Collapse (Springer-Verlag, 1999).

M. V. Tratnik and J. E. Sipe, “Bound solitary waves in a birefringent optical fibre,” Phys. Rev. A 38, 2011–2017 (1988).

[CrossRef]

M. R. Belić, D. Vujić, A. Stepken, F. Kaiser, G. F. Calvo, F. Agullo-Lopez, and M. Carrascosa, “Isotropic versus anisotropic modeling of photorefractive solitons,” Phys. Rev. E 65, 066610 (2002).

[CrossRef]

D. Kip, C. Herden, and M. Wesner, “All-optical signal routing using interaction of mutually incoherent spatial solitons,” Ferroelectrics 274, 135–142 (2002).

J. Yang, I. Makasyuk, A. Bezryadina, and Z. Chen, “Dipole and quadrupole solitons in optically induced two-dimensional photonic lattices: theory and experiment,” Stud. Appl. Math. 113, 389–412 (2004).

[CrossRef]

S. Novikov, S. V. Manakov, L. P. Pitaevskii, and V. E. Zakharov, Theory of Solitons: The Inverse Scattering Method (Plenum, 1984).

E. DelRe, G. De Masi, A. Ciattoni, and E. Palange, “Pairing space-charge field conditions with self-guiding for the attainment of circular symmetry in photorefractive solitons,” Appl. Phys. Lett. 85, 5499–5501 (2004).

[CrossRef]

D. Kip, C. Herden, and M. Wesner, “All-optical signal routing using interaction of mutually incoherent spatial solitons,” Ferroelectrics 274, 135–142 (2002).

V. I. Petviashvili, “Equation of an extraordinary soliton,” Fiz. Plazmy 2, 469–471 (1976).

E. DelRe, A. Ciattoni, B. Crosignani, and P. Di Porto, “Nonlinear optical propagation phenomena in near-transition centrosymmetric photorefractive crystals,” J. Nonlinear Opt. Phys. Mater. 8, 1–20 (1999).

[CrossRef]

M. Belić, P. Jander, K. Motzek, A. Desyatnikov, D. Jović, A. Strinić, M. Petrović, C. Denz, and F. Kaiser, “Counterpropagating self-trapped beams in photorefractive crystals,” J. Opt. B Quantum. Semiclass. Opt. 6, S190–S196 (2004).

[CrossRef]

S. Gatz and J. Herrmann, “Propagation of optical beams and the properties of two-dimensional spatial solitons in media with a local saturable nonlinear refractive index,” J. Opt. Soc. Am. B 14, 1795–1806 (1997).

[CrossRef]

C. Rotschild, O. Cohen, O. Manela, T. Carmon, and M. Segev, “Interactions between spatial screening solitons propagating in opposite directions,” J. Opt. Soc. Am. B 21, 1354–1357(2004).

[CrossRef]

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