a, Zero-index PhC slab without BICs. A photonic dipole mode forming the zero index results in out-of-plane radiation, dramatically increasing the propagation loss of the
Asymmetric and symmetric approaches to an SPSM. (a) Dominant approach to split the degenerate fundamental modes by structural asymmetry. (b) Proposed Bragg fibre design to
Fig.1. DPC all field of view response acquisition system. Credit: HUANG Chan Recently, researchers from the Optical Remote Sensing Center of the Anhui Institute of
The new imaging technique has been used to capture the exhaled breath of a person speaking. This is a demonstration of the published imaging technique
Credit: CC0 Public Domain The interaction between lasers and matter is at the forefront of new investigations into fundamental physics as well as forming a
Schematic diagram of MOPA configuration. Credit: XIOPM Multi-kilowatt (kW) (≥3kW) level fiber lasers with high stability are significant in many applications, and Yb-doped fiber is
A seemingly random line of photonic crystals allows for laser beams to be emitted in various angles, allowing for more versatile and compact LiDAR technology
Credit: Petr Kratochvil/public domain Optical activity in chiral molecules has become a hot topic in physics and optics, representing the ability to manipulate the polarized
Dynamic photonic barcodes enable molecular detection. Credit: Zhou et al., doi 10.1117/1.AP.2.6.066002 Optical barcodes enable detection and tracking via unique spectral fingerprints. They’ve been widely
Quantum cascade photonic device, from Spitz et al., doi 10.1117/1.AP.2.6.066001. Credit: SPIE Extreme events occur in many observable contexts. Nature is a prolific source: rogue
