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Parity-time-symmetric coupled microring lasers operating around an exceptional point

Hossein Hodaei^a, Mohammad‐Ali Miri^a, Absar U. Hassan^a, William E. Hayenga^a, Matthias Heinrich^a, D. N. Christodoulides^a, Mercedeh Khajavikhan^a

^aCREOL, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816-2700, USA

Optics Letters Optica Publishing Group2015-10-20 7 citations29 references

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Abstract

The behavior of a parity-time-symmetric coupled microring system is studied when operating in the vicinity of an exceptional point. Using the abrupt phase transition around this point, stable single-mode lasing is demonstrated in spectrally multimoded microring arrangements.

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Parity-time-symmetric coupled microring lasers operating around an exceptional point

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