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A cavity switch is a device that switches cavity properties in the time domain. It is known as Q switching in case the quality factor of cavities is under modulation. However, there are other properties such as the cavity mode volume and optical local density of states can be switched/modulated. [1].
- ^ Jin, C.-Y.; Johne, R.; Swinkels, M.; Hoang, T.; Midolo, L.; van Veldhoven, P.J.; Fiore, A. (Nov 2014). "Ultrafast non-local control of spontaneous emission". Nature Nanotechnology. 9: 886–890. doi:10.1038/nnano.2014.190.