Session Overview |
Thursday, May 30 |
13:00 |
Floquet topological photonics with microring lattices
* Vien Van, University of Alberta, Canada Hanfa Song, University of Alberta Tyler Zimmerling, University of Alberta Tae Bin Kim, University of Alberta We review recent progress in the development of 2D microring lattices as a Floquet topological photonic material platform. Owing to the extra degree of freedom arising from the unidirectional circulation of light in each microring, these lattices behave as periodically-driven or 2D+1 systems, which exhibit much richer topological behaviours than static 2D systems. We focus on the Floquet-Lieb microring lattice, which exhibits many unique behaviours such as ultrawide edge mode continuum, super robustness, all flat bands and photon caging. Experimental realization of these lattices in silicon-on-insulator and potential applications will also be presented. |
13:25 |
Programmable topological photonics
* Andrea Blanco-Redondo, CREOL, The College of Optics and Photonics, University of Central Florida, United States of America This paper reports our demonstration of a fully programmable topological photonics platform. By appropriately configuring a programmable silicon photonics mesh of Match-Zehnder modulators and phase-shifters we demonstrate three different topological models with full reconfigurability. |
14:00 |
Nonclassical Emission from a topological Floquet resonance
* Shabir Barzanjeh, University of Calgary, Canada Here we present an advancement in nonclassical light generation achieved through a non-magnetic and tunable resonance based anomalous Floquet insulator, utilizing an optical spontaneous four-wave mixing (SFWM) process. Our experiment demonstrates a substantial enhancement in nonclassical photon pair generation compared to devices reliant solely on topological edge states and outperforming trivial photonic devices in spectral resilience. This work marks a step forward in the pursuit of defect-robust and bright nonclassical sources that can open avenues for the exploration of cascaded quantum devices and the engineering of quantum states. |
14:25 |
Non-Hermitian swallowtail degeneracy in squeezed states of light
Polina Blinova, McGill University E. S. Moiseev, McGill University * Kai Wang, McGill University, Canada We show that swallowtail catastrophe consisting of various-order non-Hermitian degeneracies naturally exists in the dynamics of two-mode quadrature squeezing systems with asymmetric losses that break pseudo-Hermiciticy and propose a practical experimental setup. |