Design of continuously tunable varifocal metalenses

F Yang, KP Dao, S An, X Qiu, Y Zhang, J Hu… - Journal of …, 2023 - iopscience.iop.org
Active metasurfaces with tunable optical properties enable reconfigurable or programmable
photonic systems that can swiftly adapt to different functional needs. Realizing continuous …

Non‐Volatile Hybrid Optical Phase Shifter Driven by a Ferroelectric Transistor

R Tang, K Watanabe, M Fujita, H Tang… - Laser & Photonics …, 2023 - Wiley Online Library
Optical phase shifters are essential elements in photonic integrated circuits (PICs) and
function as a direct interface to program the PICs. Non‐volatile phase shifters, which can …

Dynamical studies of low-loss optical phase change materials and applications in nanoscale optical switches

D Lawson - 2024 - eprints.soton.ac.uk
This thesis aims to tackle the challenges in the integration of low-loss phase change
materials (PCMs) in silicon photonics, optical memories and metasurfaces. These materials …

Multi-functional flat optics for imaging and sensing

F Yang - 2023 - dspace.mit.edu
Flat optics refer to optical devices composed of ultra-thin and light-weight planar optical
components, which manipulate light in ways that are not possible using conventional bulky …