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Coherent phase control of orbital-angular-momentum light-induced torque in a double-tripod atom-light coupling scheme
Hamid R. Hamedi, Viačeslav Kudriašov, Mažena Mackoit-Sinkevičienė +1
We investigate a phase-controllable mechanism for generating optical torque in a five-level double-tripod (DT) atom-light coupling scheme interacting with four strong coherent cont…
Spin-orbit coupling of optical vector vortices in coherently prepared media
Dharma P. Permana, Mazena Mackoit Sinkevičienė, Julius Ruseckas +1
We investigate the propagation of an optical vector vortex weakly interacting with a coherently prepared atomic medium (phaseonium) in a three-level configuration. The vector b…
Mitigating the phase-mismatch effect in non-resonant four-wave mixing enabled by optimal control
Ning Jia, Hamid R. Hamedi, Jing Qian
Phase-mismatch in nonlinear optical processes can severely limit the propagation and conversion efficiency of light fields. Here, we present an efficient optimal-control strategy t…