Threshold manipulation in parity-time symmetric microresonator chain
Phang, Sendy and Vukovic, Ana and Creagh, Stephen and Benson, Trevor M. and Gradoni, Gabriele and Sewell, Phillip D. (2015) Threshold manipulation in parity-time symmetric microresonator chain. In: 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, 7-10 September 2015, Oxford.
This paper analyses the eigenfrequencies of an infinitely long chain of microresonators with PT symmetry. The results show that the depth of modulation of the real part of the refractive index can be used to control the threshold point of the PT structure.
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