Plenary Talks

TBA

TBA

TBA

Date:2022-11-29

The demonstrations of non-trivial topological effects in photonics have greatly enriched the study of fundamental optical physics, and may lead to optical devices that are robust against disorders and perturbations. The initial explorations of topological photonics have largely been restricted in the study of effects in real physical space, where non-trivial topology arises in complex photonic structures. In recent years, there have been emerging interests in exploring synthetic dimensions, which provides far more versatile platforms for exploring topological photonics. In this talk, we review some of our recent theoretical and experimental efforts in exploring frequency synthetic dimensions. When a ring resonator undergoes dynamic refractive index modulation, the modes of in the resonator can couple to form a synthetic lattice along the frequency dimension. In this system, the Hamiltonian of the system is controlled by the modulation format, which provides tremendous flexibilities for exploring novel physics. We show that a band structure along the synthetic dimension can be characterized by a time-domain measurement. Using such band structure spectroscopy technique, we experimentally demonstrate a wide range of topological effects, including synthetic magnetic field for photons in Hermitian systems, as well as band winding and band braiding in non-Hermitian

TBA

TBA

TBA

Date:2022-11-29

The demonstrations of non-trivial topological effects in photonics have greatly enriched the study of fundamental optical physics, and may lead to optical devices that are robust against disorders and perturbations. The initial explorations of topological photonics have largely been restricted in the study of effects in real physical space, where non-trivial topology arises in complex photonic structures. In recent years, there have been emerging interests in exploring synthetic dimensions, which provides far more versatile platforms for exploring topological photonics. In this talk, we review some of our recent theoretical and experimental efforts in exploring frequency synthetic dimensions. When a ring resonator undergoes dynamic refractive index modulation, the modes of in the resonator can couple to form a synthetic lattice along the frequency dimension. In this system, the Hamiltonian of the system is controlled by the modulation format, which provides tremendous flexibilities for exploring novel physics. We show that a band structure along the synthetic dimension can be characterized by a time-domain measurement. Using such band structure spectroscopy technique, we experimentally demonstrate a wide range of topological effects, including synthetic magnetic field for photons in Hermitian systems, as well as band winding and band braiding in non-Hermitian

TBA

TBA

TBA

Date:2022-11-29

The demonstrations of non-trivial topological effects in photonics have greatly enriched the study of fundamental optical physics, and may lead to optical devices that are robust against disorders and perturbations. The initial explorations of topological photonics have largely been restricted in the study of effects in real physical space, where non-trivial topology arises in complex photonic structures. In recent years, there have been emerging interests in exploring synthetic dimensions, which provides far more versatile platforms for exploring topological photonics. In this talk, we review some of our recent theoretical and experimental efforts in exploring frequency synthetic dimensions. When a ring resonator undergoes dynamic refractive index modulation, the modes of in the resonator can couple to form a synthetic lattice along the frequency dimension. In this system, the Hamiltonian of the system is controlled by the modulation format, which provides tremendous flexibilities for exploring novel physics. We show that a band structure along the synthetic dimension can be characterized by a time-domain measurement. Using such band structure spectroscopy technique, we experimentally demonstrate a wide range of topological effects, including synthetic magnetic field for photons in Hermitian systems, as well as band winding and band braiding in non-Hermitian

TBA

TBA

TBA

Date:2022-12-28

The demonstrations of non-trivial topological effects in photonics have greatly enriched the study of fundamental optical physics, and may lead to optical devices that are robust against disorders and perturbations. The initial explorations of topological photonics have largely been restricted in the study of effects in real physical space, where non-trivial topology arises in complex photonic structures. In recent years, there have been emerging interests in exploring synthetic dimensions, which provides far more versatile platforms for exploring topological photonics. In this talk, we review some of our recent theoretical and experimental efforts in exploring frequency synthetic dimensions. When a ring resonator undergoes dynamic refractive index modulation, the modes of in the resonator can couple to form a synthetic lattice along the frequency dimension. In this system, the Hamiltonian of the system is controlled by the modulation format, which provides tremendous flexibilities for exploring novel physics. We show that a band structure along the synthetic dimension can be characterized by a time-domain measurement. Using such band structure spectroscopy technique, we experimentally demonstrate a wide range of topological effects, including synthetic magnetic field for photons in Hermitian systems, as well as band winding and band braiding in non-Hermitian