Controlling double optomechanically induced transparency and slow/fast light in an electro-optomechanical system via an optical parametric amplifier

Abstract

We investigate tunable double optomechanically induced transparency and slow/fast phenomena in a hybrid electro-optomechanical system. The hybrid system consists of an optical cavity with an optical parametric amplifier (OPA) and two charged mechanical resonators. The double optomechanical induce transparency can be exhibited by manipulating the coupling parameters of the electro-optomechanical system. Specifically, the number of transparent points and the width of transparent windows increase with an increase in the coupling constant. Furthermore, the phenomenon of double transparency is strongly influenced by the parametric gain of OPA and by the Coulomb interaction between the two mechanical oscillators. It is found that the larger parametric gain and Coulomb coupling induce an increasing width of transparency windows. Moreover, we study the slow/fast light effect associated with the rapid phase change of the transmission of probe field. Our approach provides a great flexibility for controlling double induced transparency, and has potential applications in optical information storage and optical communication.

Optomechanically induced transparency in a hybrid system containing two-level atomic ensemble and optical parametric amplifier

“…In figure 3(c), the effect of different OPA parameters on the transparent window is shown. What we find is that no matter how the parameters change, the transparent point is basically unchanged, which has been proven in [32]. In addition, the number of transparent windows is always three, which does not change with parameter changes.…”

“…As the influence factor g 1 increases, the number of transparent windows is three. It has been verified by [32]. In addition, when there are three transparent windows, the coupling effect becomes larger, it widens the two outermost transparent widows, and the width of the transparent window in the middle hardly changes.…”

Photothermally and optomechanically induced transparency in a hybrid optomechanical system

“…Further, OMIT has been observed experimentally in [52]. OMIT has also been deduced to double-and multiple-OMIT [8,10,[53][54][55]. Based on OMIT, some interesting applications have been proposed, such as quantum routing [4,56,57], sensing [36,[58][59][60][61], optical switches [62,63], optomechanically induced grating [64,65], slow-and-fast light [66], and so forth.…”