Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session K65: Optical Physics
3:00 PM–5:36 PM,
Tuesday, March 7, 2023
Room: Room 414
Sponsoring
Unit:
DAMOP
Chair: Li He, University of Pennsylvania
Abstract: K65.00002 : Controlling spontaneous chiral symmetry breaking with competing optical Kerr and cascaded second-order nonlinear processes?*
3:12 PM–3:24 PM
Presenter:
Chaohan Cui
(University of Arizona)
Authors:
Chaohan Cui
(University of Arizona)
Liang Zhang
(University of Arizona)
Linran Fan
(University of Arizona)
In this work, we break this stereotype by developing tunable Kerr nonlinearity without modifying photonic materials and structures. This is realized by the interference between the intrinsic Kerr and the cascaded second-order nonlinearities. We demonstrate the enhancement, suppression, and direction inversion of Kerr effects with the same device. Furthermore, we show the modification of the ratio between self- and cross-phase modulation coefficients. This leads to the control of spontaneous chiral symmetry breaking conditions in the photonic ring cavity with symmetric pumping.
*This work is supported by U.S. Department of Energy, Office of Advanced Scientific Computing Research (Field Work Proposal ERKJ355); Office of Naval Research (N00014-19-1-2190); National Science Foundation (ECCS-1842559); and Coherent/II-V foundation.
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