Nonradiating sources of energy have traditionally been studied in quantum mechanics and
astrophysics but have received very little attention in the photonics community. This situation …

Thanks to advanced semiconductor microfabrication technology, chip-scale integration and
miniaturization of lab-on-a-chip components, silicon-based optical biosensors have made …

Silicon photonics is playing a key role in areas as diverse as high-speed optical
communications, neural networks, supercomputing, quantum photonics, and sensing, which …

Nanophotonic waveguides that implement long optical pathlengths on chips are promising
to enable chip-scale gas sensors. Nevertheless, current absorption-based waveguide …

On-chip waveguide sensors are potential candidates for deep-space exploration because of
their high integration and low power consumption. Since the fundamental absorption of most …

Nanophotonics, manipulating light–matter interactions at the nanoscale, is an appealing
technology for diversified biochemical and physical sensing applications. Guided-wave …

By providing an effective way to leverage nonlinear phenomena in integrated devices, high-
Q optical resonators have led to recent advances in on-chip photonics. However, developing …

Photonic integrated circuits (PICs) provide a promising platform for miniaturized on‐chip
optical systems for communication, computation, and sensing applications. The dense …

A surface-enhanced infrared absorption spectroscopic chalcogenide waveguide sensor
based on the silver island film was proposed for the first time to enhance the sensing …

Carbon dioxide (CO 2) is a gas vital for life on Earth. It is also a waste product of human
activities and is widely used in agriculture and industry. Its accurate sensing is therefore of …