Exceptional points in optics and photonics
BACKGROUND Singularities are critical points for which the behavior of a mathematical
model governing a physical system is of a fundamentally different nature compared to the …
model governing a physical system is of a fundamentally different nature compared to the …
Micro-combs: A novel generation of optical sources
The quest towards the integration of ultra-fast, high-precision optical clocks is reflected in the
large number of high-impact papers on the topic published in the last few years. This interest …
large number of high-impact papers on the topic published in the last few years. This interest …
Massively scalable Kerr comb-driven silicon photonic link
The growth of computing needs for artificial intelligence and machine learning is critically
challenging data communications in today's data-centre systems. Data movement …
challenging data communications in today's data-centre systems. Data movement …
RF photonics: an optical microcombs' perspective
Over the past decade, optical frequency combs generated by high-Q microresonators, or
optical microcombs, which feature compact device footprints, low power consumption, and …
optical microcombs, which feature compact device footprints, low power consumption, and …
Methods to achieve ultra-high quality factor silicon nitride resonators
On-chip resonators are promising candidates for applications in a wide range of integrated
photonic fields, such as communications, spectroscopy, biosensing, and optical filters, due …
photonic fields, such as communications, spectroscopy, biosensing, and optical filters, due …
Spatiotemporal mode-locking in multimode fiber lasers
A laser is based on the electromagnetic modes of its resonator, which provides the feedback
required for oscillation. Enormous progress has been made toward controlling the …
required for oscillation. Enormous progress has been made toward controlling the …
Ultra-low-loss on-chip resonators with sub-milliwatt parametric oscillation threshold
On-chip optical resonators have the promise of revolutionizing numerous fields, including
metrology and sensing; however, their optical losses have always lagged behind those of …
metrology and sensing; however, their optical losses have always lagged behind those of …
Soliton crystals in Kerr resonators
Self-organized solitons confined to an optical resonator would offer unique capabilities for
experiments in communication, computation and sensing with light. Here, we report the …
experiments in communication, computation and sensing with light. Here, we report the …
Mode-locked dark pulse Kerr combs in normal-dispersion microresonators
The generation of Kerr frequency combs in a coherently driven nonlinear microresonator is
now extensively investigated more generally by the research community as a potentially …
now extensively investigated more generally by the research community as a potentially …
Large Third-Order Optical Kerr Nonlinearity in Nanometer-Thick PdSe2 2D Dichalcogenide Films: Implications for Nonlinear Photonic Devices
We report a large third-order nonlinear-optical response of palladium diselenide (PdSe2)
films, a two-dimensional (2D) noble-metal dichalcogenide material. Both open-aperture (OA) …
films, a two-dimensional (2D) noble-metal dichalcogenide material. Both open-aperture (OA) …