Phase Shift Multiplication Effect Of All-Optical Analog To Electromagnetically Induced Transparency In Two Micro-Cavities Side Coupled To A Waveguide System
JOURNAL OF APPLIED PHYSICS(2014)
Abstract
We propose phase shift multiplication effect of all-optical analog to electromagnetically induced transparency in two photonic crystal micro-cavities side coupled to a waveguide system through external optical pump beams. With dynamically tuning the propagation phase of the line waveguide, the phase shift of the transmission spectrum in two micro-cavities side coupled to a waveguide system is doubled along with the phase shift of the line waveguide. pi-phase shift and 2 pi-phase shift of the transmission spectrum are obtained when the propagation phase of the line waveguide is tuned to 0.5 pi-phase shift and pi-phase shift, respectively. All observed schemes are analyzed rigorously through finite-difference time-domain simulations and the coupled-mode formalism. These results show a new direction to the miniaturization and the low power consumption of microstructure integration photonic devices in optical communication and quantum information processing. (C) 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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Key words
transparency,all-optical,micro-cavities
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