TY - JOUR
T1 - Conical Diffraction and Composite Lieb Bosons in Photonic Lattices
AU - Diebel, Falko
AU - Leykam, Daniel
AU - Kroesen, Sebastian
AU - Denz, Cornelia
AU - Desyatnikov, Anton S.
N1 - Publisher Copyright:
© 2016 American Physical Society.
PY - 2016/5/4
Y1 - 2016/5/4
N2 - Pseudospin describes how waves are distributed between different "internal" degrees of freedom or microscopic states, such as polarizations, sublattices, or layers. Here, we experimentally demonstrate and explain wave dynamics in a photonic Lieb lattice, which hosts an integer pseudospin s=1 conical intersection. We study the most striking differences displayed by integer pseudospin states: pseudospin-dependent conical diffraction and the generation of higher charged optical vortices.
AB - Pseudospin describes how waves are distributed between different "internal" degrees of freedom or microscopic states, such as polarizations, sublattices, or layers. Here, we experimentally demonstrate and explain wave dynamics in a photonic Lieb lattice, which hosts an integer pseudospin s=1 conical intersection. We study the most striking differences displayed by integer pseudospin states: pseudospin-dependent conical diffraction and the generation of higher charged optical vortices.
UR - http://www.scopus.com/inward/record.url?scp=84966441156&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.116.183902
DO - 10.1103/PhysRevLett.116.183902
M3 - Article
SN - 0031-9007
VL - 116
JO - Physical Review Letters
JF - Physical Review Letters
IS - 18
M1 - 183902
ER -