On-chip channelless diffraction-free beam guiding enables dense integration of optical
circuits in a reconfigurable manner, where total internal reflection, which is considered the …

We report the all-angle dual optical and acoustic waveguides in defect-free phoxonic
crystals. The realization of this function relies on dual flat open equal-frequency contours …

We propose a design of the compact high-resolution photonic crystal (PhC) spectrometer
with a wide working bandwidth based on both super-prism and local-super-collimation …

Self-collimation (SC) and mesoscopic self-collimation (MSC) have been successfully
demonstrated along the directions of high symmetry of photonic crystals. Indeed, wide …

We investigate the beam propagation behavior in the photonic crystal (PhC) of the local
super-collimation (LSC) regions both theoretically and numerically. A theory based on the …

The origin of the supercollimation (SC) phenomenon in two-dimensional photonic crystals
(PhCs), which is generated by a weak periodic modulation of the dielectric constant, is …

Frequency-sensitive super-collimation (FSSC) is a novel dispersion phenomenon of
photonic crystals (PhCs) that can realize the beam collimating propagation with very high …