12 September 2014 Unidirectional lasing emerging from frozen light in nonreciprocal cavities
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We introduce a class of unidirectional lasing modes associated with the frozen mode regime of non-reciprocal slow-wave structures.1 Such asymmetric modes can only exist in cavities with broken time-reversal and space inversion symmetries. The lasing frequency coincides with a spectral stationary inflection point of the underlying passive structure and it is virtually independent of the size of the cavity. These unidirectional lasers can be indispensable components of photonic integrated circuitry.
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Hamidreza Ramezani, Hamidreza Ramezani, Tsampikos Kottos, Tsampikos Kottos, I. Vitebskiy, I. Vitebskiy, "Unidirectional lasing emerging from frozen light in nonreciprocal cavities", Proc. SPIE 9162, Active Photonic Materials VI, 91621R (12 September 2014); doi: 10.1117/12.2063112; https://doi.org/10.1117/12.2063112

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