Integrated photonics on Silicon-On-Insulator (SOI) substrates is a well developed research
field that has already significantly impacted various fields, such as quantum computing …

Integrated spectrometers provide the possibility of compact, low-cost portable spectroscopy
sensing, which is the critical component of the lab-on-a-chip system. However, using …

The entanglement distribution network connects remote users by sharing entanglement
resources, which is essential for realizing quantum internet. We propose a photonic …

Photonic Integrated Circuits (PIC) provide a solution to overcome the main limitations of
electronics, such as the operating frequency and heat generation, pushing the so-called …

We propose an efficient and polarization-insensitive edge coupler (EC) constructed
principally with two cascaded vertical waveguide tapers. The proposed edge coupler only …

Efficient coupling between optical fibers and on-chip photonic waveguides has long been a
crucial issue for photonic chips used in various applications. Edge couplers (ECs) based on …

The edge coupler is an indispensable optical device for connecting an external fiber and on-
chip waveguide. The coupling efficiency of the edge coupler affects the effective integration …

Metalens has emerged as an important optical block in free-space optical systems, which
shows excellent performance. Even the metalens based on gradient index (GRIN) profiles …

We report the realization of efficiently coupled 3D tapered waveguide-to-fiber couplers
(TWCs) based on standard lithography techniques. The 3D TWC design is capable of …

High-efficiency optical energy transfer between dissimilar waveguides is critical for
establishing seamless interconnects between heterogeneous photonic systems. Broadband …