Vortex solitons at the interface separating square and hexagonal lattices
Апстракт
Vortex solitons at the interface separating two different photonic lattices – square and hexagonal – are demonstrated numerically. We consider the conditions for the existence of discrete vortex states at such interfaces and develop a concise picture of different scenarios of the vortex solutions behavior. Various vortices with different size and topological charges are considered, as well as various lattice interfaces. A novel type of discrete vortex surface solitons in a form of five-lobe solution is observed. Besides stable three-lobe and six-lobe discrete surface modes propagating for long distances, we observe various oscillatory vortex surface solitons, as well as dynamical instabilities of different kinds of solutions and study their angular momentum. Dynamical instabilities occur for higher values of the propagation constant, or at higher beam powers.
Кључне речи:
Vortex beams, solitons, photonic lattice, interface, surfaceИзвор:
Physics Letters A, 2015, 379Финансирање / пројекти:
- Нелинеарна фотоника нехомогених средина и површина (RS-MESTD-Basic Research (BR or ON)-171036)
Институција/група
Institut za multidisciplinarna istraživanjaTY - JOUR AU - Jovic Savic, D AU - Piper, A AU - Zikic, R AU - Timotijević, Dejan PY - 2015 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/3011 AB - Vortex solitons at the interface separating two different photonic lattices – square and hexagonal – are demonstrated numerically. We consider the conditions for the existence of discrete vortex states at such interfaces and develop a concise picture of different scenarios of the vortex solutions behavior. Various vortices with different size and topological charges are considered, as well as various lattice interfaces. A novel type of discrete vortex surface solitons in a form of five-lobe solution is observed. Besides stable three-lobe and six-lobe discrete surface modes propagating for long distances, we observe various oscillatory vortex surface solitons, as well as dynamical instabilities of different kinds of solutions and study their angular momentum. Dynamical instabilities occur for higher values of the propagation constant, or at higher beam powers. T2 - Physics Letters A T1 - Vortex solitons at the interface separating square and hexagonal lattices VL - 379 DO - https://doi.org/10.1016/j.physleta.2015.02.014 ER -
@article{ author = "Jovic Savic, D and Piper, A and Zikic, R and Timotijević, Dejan", year = "2015", abstract = "Vortex solitons at the interface separating two different photonic lattices – square and hexagonal – are demonstrated numerically. We consider the conditions for the existence of discrete vortex states at such interfaces and develop a concise picture of different scenarios of the vortex solutions behavior. Various vortices with different size and topological charges are considered, as well as various lattice interfaces. A novel type of discrete vortex surface solitons in a form of five-lobe solution is observed. Besides stable three-lobe and six-lobe discrete surface modes propagating for long distances, we observe various oscillatory vortex surface solitons, as well as dynamical instabilities of different kinds of solutions and study their angular momentum. Dynamical instabilities occur for higher values of the propagation constant, or at higher beam powers.", journal = "Physics Letters A", title = "Vortex solitons at the interface separating square and hexagonal lattices", volume = "379", doi = "https://doi.org/10.1016/j.physleta.2015.02.014" }
Jovic Savic, D., Piper, A., Zikic, R.,& Timotijević, D.. (2015). Vortex solitons at the interface separating square and hexagonal lattices. in Physics Letters A, 379. https://doi.org/https://doi.org/10.1016/j.physleta.2015.02.014
Jovic Savic D, Piper A, Zikic R, Timotijević D. Vortex solitons at the interface separating square and hexagonal lattices. in Physics Letters A. 2015;379. doi:https://doi.org/10.1016/j.physleta.2015.02.014 .
Jovic Savic, D, Piper, A, Zikic, R, Timotijević, Dejan, "Vortex solitons at the interface separating square and hexagonal lattices" in Physics Letters A, 379 (2015), https://doi.org/https://doi.org/10.1016/j.physleta.2015.02.014 . .