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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 4 — Feb. 15, 2010
  • pp: 3258–3263

Counterpropagating nematicons in bias-free liquid crystals

Yana V. Izdebskaya, Vlad G. Shvedov, Anton S. Desyatnikov, Wieslaw Z. Krolikowski, Milivoj Belić, Gaetano Assanto, and Yuri S. Kivshar  »View Author Affiliations

Optics Express, Vol. 18, Issue 4, pp. 3258-3263 (2010)

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We experimentally investigate the interaction of two counter-propagating spatial optical solitons (nematicons) in bias-free nematic liquid crystals. We demonstrate the existence of vector solitons composed of two nematicons propagating in opposite directions and analyze their stability versus relative distance and input power. We observe the dynamic instability of two counterpropagating nematicons in the form of time-dependent splitting and spatial entanglement.

© 2010 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

Original Manuscript: November 24, 2009
Revised Manuscript: January 24, 2010
Manuscript Accepted: January 28, 2010
Published: February 1, 2010

Yana V. Izdebskaya, Vlad G. Shvedov, Anton S. Desyatnikov, Wieslaw Z. Krolikowski, Milivoj Belic, Gaetano Assanto, and Yuri S. Kivshar, "Counterpropagating nematicons in bias-free liquid crystals," Opt. Express 18, 3258-3263 (2010)

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  1. See, e.g., the recent review: M. S. Petrović, M. R. Belić, C. Denz, and Yu. S. Kivshar, "Counterpropagating optical beams and solitons," Las. Photon. Rev., in press (2010); preprint: arXiv:0910.4700.
  2. M. Haelterman, A. P. Sheppard, and A. W. Snyder, "Bimodal counterpropagating spatial solitary waves," Opt. Commun. 103,145 (1993). [CrossRef]
  3. O. Cohen, R. Uzdin, T. Carmon, J.W. Fleischer, M. Segev, and S. Odulov, "Collisions between optical spatial solitons propagating in opposite directions," Phys. Rev. Lett. 89,133901 (2002). [CrossRef] [PubMed]
  4. M. Belić, Ph. Jander, A. Strinić, A. Desyatnikov, and C. Denz, "Self-trapped bidirectional waveguides in a saturable photorefractive medium," Phys. Rev. E 68, 025601(R) (2003). [CrossRef]
  5. M. Belić, Ph. 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 6, S190-S196 (2004).
  6. M. Belić, M. Petrović, D. Jović, A. Strinic, D. Arsenović, K. Motzek, F. Kaiser, Ph. Jander, C. Denz, M. Tlidi, and P. Mandel, "Transverse modulational instabilities of counterpropagating solitons in photorefractive crystals," Opt. Express 12, 708-716 (2004), http://www.opticsinfobase.org/abstract.cfm?URI=oe-12-4-708 [CrossRef] [PubMed]
  7. 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]
  8. M. Petrović, D. Jović, M. Belić, J. Schröder, Ph. Jander, and C. Denz, "Two-dimensional counterpropagating spatial solitons in photorefractive crystals," Phys. Rev. Lett. 95, 053901 (2005). [CrossRef] [PubMed]
  9. 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]
  10. 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]
  11. Ph. Jander, J. Schröder, C. Denz, M. Petrović, and M. Belić, "Dynamic instability of self-induced bidirectional waveguides in photorefractive media," Opt. Lett. 30,750-752 (2005). [CrossRef] [PubMed]
  12. G. Assanto, M. Peccianti, and C. Conti, "Nematicons: optical spatial solitons in nematic liquid crystals," Opt. Photon. News 14,44-48 (2003). [CrossRef]
  13. M. Peccianti, and G. Assanto, "Nematic liquid crystals: A suitable medium for self-confinement of coherent and incoherent light, " Phys. Rev. E 65,035603 (2002). [CrossRef]
  14. M. Peccianti, and G. Assanto, "Signal readdressing by steering of spatial solitons in bulk nematic liquid crystals," Opt. Lett. 26,690-1692 (2001). [CrossRef]
  15. M. Peccianti, K. A. Brzdiakiewicz, and G. Assanto, "Nonlocal spatial soliton interactions in nematic liquid crystals," Opt. Lett. 27,1460-1462 (2002). [CrossRef]
  16. M. Peccianti, C. Conti, G. Assanto, A. De Luca, and C. Umeton, "All Optical Switching and Logic Gating with Spatial Solitons in Liquid Crystals," Appl. Phys. Lett. 81,3335-3337 (2002). [CrossRef]
  17. A. Alberucci, M. Peccianti, G. Assanto, A. Dyadyusha, and M. Kaczmarek, "Two-color vector solitons in non local media," Phys. Rev. Lett. 97,153903(2006). [CrossRef] [PubMed]
  18. A. Fratalocchi, A. Piccardi, M. Peccianti, and G. Assanto, "Nonlinearly controlled angular momentum of soliton clusters," Opt. Lett. 32,1447-1449 (2007). [CrossRef] [PubMed]
  19. J. Henninot, M. Debailleul, and M. Warenghem, "Tunable non-locality of termal non-linearity in Dye Doped Nematic Liquied crystal," Mol. Cryst. Liq. Cryst. 375,631 (2002). [CrossRef]
  20. J. Henninot, J. Blach, and M. Warenghem, "Experimental study of the nonlocality of spatial optical solitons excited in nematic liquid crystal," J. Opt. A. 9,20-25 (2007).
  21. A. I. Strinić, D. M. Jović, M. S. Petrović, D. V. Timotijević, N. B. Aleksić, and M. R. Belić, "Counterpropagating beams in nematic liquid crystals," Opt. Express 14, 12310-12315 (2006), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-25-12310 [CrossRef] [PubMed]
  22. M. Peccianti, G. Assanto, A. De Luca, C. Umeton, and I. C. Khoo, "Electrically Assisted Self-Confinement and Waveguiding in planar Nematic Liquid Crystal cells," Appl. Phys. Lett. 77,7-9 (2000). [CrossRef]
  23. M. Peccianti, C. Conti, G. Assanto, A. de Luca, and C. Umeton, "Highly anisotropic spatial solitons, modulational instability and their routing in liquid crystals," Nature 432,733-737 (2004). [CrossRef] [PubMed]
  24. A. Piccardi, G. Assanto, L. Lucchetti, and F. Simoni, "All-optical steering of soliton waveguides in dye-doped liquid crystals," Appl. Phys. Lett. 93,171104 (2008). [CrossRef]
  25. Ya. Izdebskaya, V. Shvedov, A. S. Desyatnikov, W. Krolikowski, G. Assanto, and Yu. S. Kivshar, "Incoherent interaction of nematicons in bias-free liquid-crystal cells," J. Eur. Opt. Soc.: Rapid Comm., in press (2010); also available at arXiv: nlin.PS/0911.4231. [CrossRef]
  26. J. Baran, Z. Raszewski, R. Dabrowski, J. Kedzierski, and J. Rutkowska, "Some Physical Properties of Mesogenic 4-(trans-4’-n-Alkylcyclohexyl) Isothiocyanatobenzenes," Mol. Cryst. Liq. Cryst. 123,237 (1985). [CrossRef]
  27. R. Dabrowski, J. Dziaduszek, and T. Szczucinski, "Mesomorphic Characteristics of Some New Homologous Series with the Isothiocyanato Terminal Group," Mol. Cryst. Liq. Cryst. 124,241-257 (1985).
  28. E. Brasselet, B. Doyon, T. V. Galstian, and L. J. Dubé, "Optically induced dynamics in nematic liquid crystals: The role of finite beam size," Phys. Rev. E 69, 021701 (2004). [CrossRef]
  29. M. Peccianti, A. Fratalocchi, and G. Assanto, "Transverse dynamics of nematicons," Opt. Express 12, 6524-6529 (2004), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-26-6524 [CrossRef] [PubMed]
  30. M. Peccianti and G. Assanto, "Observation of power-dependent walk-off via modulational instability in nematic liquid crystals," Opt. Lett. 30,2290-2292 (2005). [CrossRef] [PubMed]
  31. A. Piccardi, A. Alberucci, and G. Assanto, "Soliton self-deflection via power-dependent walk-off," Appl. Phys. Lett., in press (2010). [CrossRef]
  32. J. Beeckman, K. Neyts, X. Hutsebaut, C. Cambournac, and M. Haelterman, "Time dependence of soliton formation in planar cells of nematic liquid crystals," IEEE J. Quant. Electron. 41, 735-740 (2005). [CrossRef]

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