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.

© 2015 Optical Society of America

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Supplementary Material (2)

NameDescription
» Visualization 1: MP4 (65 KB)      The intensity as pump is gradually withheld from one of the rings
» Visualization 2: MP4 (1837 KB)      The emission spectrum as pump is gradually with held from one of the rings

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Equations (1)

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