Modulational instability of nonlinear polarization mode coupling in microresonators

Year: 2018

Authors: Wabnitz S., Hansson, T.; Bernard, M.

Autors Affiliation: Dipartimento di Ingegneria dell’Informazione, Università di Brescia, via Branze 38, 25123 Brescia, Italy
CNR–INO, via Branze 38, 25123 Brescia, Italy

Abstract: We investigate frequency comb generation in the presence of polarization effects induced by nonlinear mode coupling in microresonator devices. A set of coupled temporal Lugiato–Lefever equations are derived to model the propagation dynamics, and an in-depth study is made of the modulational instability of their multistable homogeneous steady-state solutions. It is shown that new kinds of instabilities can occur for co-propagating fields that interact through nonlinear cross-phase modulation. These instabilities display properties that differ from their scalar counterpart, and are shown to result in the generation of new types of incoherently coupled frequency comb states.

Journal/Review: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B: OPTICAL PHYSICS

Volume: 35 (4)      Pages from: 835  to: 841

KeyWords: Polarization; Resonators, Cross phase modulation; Modulational instability; Nonlinear mode coupling; Nonlinear polarizations; Polarization effect; Propagating field; Propagation dynamics; Steady state solution, Modulation
DOI: 10.1364/JOSAB.35.000835

Citations: 19
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