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46 Leblond H, Malomed BA, Mihalache D. Spatiotemporal vortices in optical fiber bundles. Phys Rev A 2008; 77: 063804.
47 Leblond H, Malomed BA, Mihalache D. Spatiotemporal vortex solitons in hexagonal arrays of waveguides. Phys Rev A 2011; 83: 063825.
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50 Chan FYM, Lau AP, Tam HY. Mode coupling dynamics and communication strategies for multi-core fiber Systems. Opt Express 2012; 20: 4548-4563.
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52 Shalaby BM, Kerm e`ne V, Pagnoux D, Desfarges-Berthelemot A, Barth e´l e´my A et al. 19-cores Yb-fiber laser with mode selection for improved beam brightness. App Phys B: Lasers Opt 2010; 100: 859-864.
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54 Rubenchik AM, Tkachenko EV, Fedoruk MP, Turitsyn SK. Power-controlled phasematching and instability of CW propagation in multicore optical fibers with a central core. Opt Lett 2013; 38: 4232-4235.
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57 Golshani M, Weimann S, Jafari Kh, Khazaei Nezhad M, Langari A et al. Impact of loss on the wave dynamics in photonic waveguide lattices. Phys Rev Lett 2014; 113: 123903.
58 Maluckov A, Hadzˇ ievski Lj, Malomed BA, Salasnich L. Solitons in the discrete nonpolynomial Schr o¨dinger equation. Phys Rev A 2008; 78: 013616.
59 Desyatnikov AS, Dennis MR, Ferrando A. All-optical discrete vortex switch. Phys Rev A 2011; 83: 063822.