Abstract
We investigated the existence and stability of solitons in parity-time optical lattice with pseudo spin-orbit coupling (SOC). The numerical results show that the symmetry of solitons still accords with the characteristics of traditional parity-time (PT) soliton symmetry. Due to the existence of PT optical lattice, the polarization component of solitons is not purely real or purely imaginary. And the strength of SOC has a significant impact on the band-gap structure of the system.
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