Experimental observation of intrinsic light localization in photonic icosahedral quasicrystals

Abstract

One of the most intriguing problems of light transport in solids is the localization that has been observed in various disordered photonic structures1-11. The light localization in defect-free icosahedral quasicrystals has recently been predicted theoretically without experimental verification10. Here we report on the fabrication of submicron-size dielectric icosahedral quasicrystals and demonstrate the results of detailed studies of the photonic properties of these structures. Here, we present the first direct experimental observation of intrinsic light localization in defect-free quasicrystals. This result was obtained in time-resolved measurements at different laser wavelengths in the visible. We linked localization with the aperiodicity of the icosahedral structure, which led to uncompensated scattering of light from an individual structural element over the entire sphere, providing multiple scattering inside the sample and, as a result, the intrinsic localization of light.

References in corpus (2)

• High-Q supercavity modes in subwavelength dielectric resonators
• Unconventional light scattering from glassy photonic films and metasurfaces

Cited by in corpus (9)

• Critical phase dualities in 1D exactly-solvable quasiperiodic models
• Incommensurability enabled quasi-fractal order in 1D narrow-band moiré systems
• Density of photonic states in aperiodic structures
• Interlaced wire medium with quasicrystal lattice
• Design of linear block copolymers and ABC star terpolymers that produce two length scales at phase separation
• 10 dB emission suppression in a structured low index medium
• Quasiperiodic Quadrupole Insulators
• Fate of Quadratic Band Crossing under quasiperiodic modulation
• Family of self-dual quasicrystals with critical Phases