We demonstrate the temporal manipulation of spatiotemporal optical vortices(STOVs)by utilizing Airy pulses.By combining a STOV with an Airy temporal profile,the STOV exhibits nondispersive,self-accelerating,and self-h...We demonstrate the temporal manipulation of spatiotemporal optical vortices(STOVs)by utilizing Airy pulses.By combining a STOV with an Airy temporal profile,the STOV exhibits nondispersive,self-accelerating,and self-healing features inherited from the Airy pulse propagation.Such features will enhance the control of STOVs in time.展开更多
We investigate the Airy–Talbot effect of an Airy pulse train in time-dependent linear potentials.The parabolic trajectory of self-imaging depends on both the dispersion sign and the linear potential gradient.By impos...We investigate the Airy–Talbot effect of an Airy pulse train in time-dependent linear potentials.The parabolic trajectory of self-imaging depends on both the dispersion sign and the linear potential gradient.By imposing linear phase modulations on the pulse train,the Airy–Talbot effects accompanied with positive and negative refractions are realized.For an input composed of stationary Airy pulses,the self-imaging follows straight lines,and the Airy–Talbot distance can be engineered by varying the linear potential gradient.The effect is also achieved in symmetric linear potentials.The study provides opportunities to control the self-imaging of aperiodic optical fields in time dimension.展开更多
基金supported by the Pusan National University Research Grant,2022,and the National Research Foundation of Korea(NRF)funded by the Korea government(MSIT)(No.2022R1A2C1091890).
文摘We demonstrate the temporal manipulation of spatiotemporal optical vortices(STOVs)by utilizing Airy pulses.By combining a STOV with an Airy temporal profile,the STOV exhibits nondispersive,self-accelerating,and self-healing features inherited from the Airy pulse propagation.Such features will enhance the control of STOVs in time.
基金supported by the National Natural Science Foundation of China(Nos.11674117 and 11974124)。
文摘We investigate the Airy–Talbot effect of an Airy pulse train in time-dependent linear potentials.The parabolic trajectory of self-imaging depends on both the dispersion sign and the linear potential gradient.By imposing linear phase modulations on the pulse train,the Airy–Talbot effects accompanied with positive and negative refractions are realized.For an input composed of stationary Airy pulses,the self-imaging follows straight lines,and the Airy–Talbot distance can be engineered by varying the linear potential gradient.The effect is also achieved in symmetric linear potentials.The study provides opportunities to control the self-imaging of aperiodic optical fields in time dimension.
