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PT-symmetric micro-resonators: High sensitivity at exceptional points

Hossein Hodaei^a✉, Absar U. Hassan^a✉, Demetrios N. Christodoulides^a✉, Mercedeh Khajavikhan^a✉

^aCREOL, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA
✉Corresponding author

Conference on Lasers and Electro-Optics2017-01-01 1 citations8 references

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Abstract

Enhanced sensitivity is demonstrated in PT-symmetric coupled micro-resonator arrangements biased at an exceptional point. The spectral response of such a system is shown to follow a square root dependence on externally introduced perturbations.

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PT-symmetric micro-resonators: High sensitivity at exceptional points

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