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All-optical switching used to switch the input optical signals without anyelectro-optical conversion plays a vital role in the next generation of opticalinformation processing devices. Even all-optical switchings (AOSs) withcontinuous input signals have been widely studied, all-optical pulse switchings(AOPSs) whose input signals are pulse sequences have rarely been investigatedbecause of the time-dependent Hamiltonian, especially for dissipative quantumsystems. In this paper, we propose an AOPS scheme, where a strong pulsed fieldis used to switch another pulsed input signal. With the help ofFloquet-Lindblad theory, we identify the control field that can effectivelyturn on/off the input signal whose amplitude envelope is a square-wave (SW)pulse train in a three-level dissipative system. By comparing the properties ofthe AOPSs controlled by a continuous-wave (CW) field and an SW control field,we find that the SW field is more suitable to be a practical tool forcontrolling the input SW signal. It is interesting to impress that theswitching efficacy is robust against pulse errors. The proposed protocol isreadily implemented in atomic gases or superconducting circuits and correspondsto AOPSs or all-microwave pulse switchings.

All-optical pulse switching with a periodically driven dissipative quantum system