Abstract
Spontaneous symmetry breaking is a Kerr-induced phenomenon observed when two identical counter-propagating lasers are coupled to a ring resonator. It stems from the difference between self- and cross-phase modulation contributions between the two circulating light fields. Symmetry breaking has been demonstrated in silica microresonators [4]. Here, we experimentally investigate symmetry breaking in Si3N4 resonators with high quality (Q) factors.
© 2023 IEEE
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