Silicon photonics is playing a key role in areas as diverse as high-speed optical
communications, neural networks, supercomputing, quantum photonics, and sensing, which …

Integrated optical signal processors, in combination with conventional electrical signal
processors, are envisioned to open a path to a new generation of signal processing …

Compact fiber-to-chip light coupling with low loss and large bandwidth, SMF-to-chip edge
coupler in particular, is extensively demanded in integrated photonics. The inescapable …

Electromagnetic coupling via an evanescent field or radiative wave is a primary
characteristic of light, allowing optical signal/power transfer in a photonic circuit but limiting …

Fiber-chip edge couplers are extensively used in integrated silicon photonic for the coupling
of light between optical fibers and planar silicon waveguide circuits. Here, we experimentally …

Thin-film lithium niobate on insulator (LNOI) has recently emerged as a promising platform
for high-speed optical communication devices. For practical applications, an efficient …

We propose the combination of forward shape derivatives and the use of an iterative
inversion scheme for Bayesian optimization to find optimal designs of nanophotonic devices …

We report a stable, low loss method for coupling light from silicon-on-insulator (SOI)
photonic chips into optical fibers. The technique is realized using an on-chip tapered …

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 …

Since the invention of the silicon subwavelength grating waveguide in 2006, subwavelength
metamaterial engineering has become an essential design tool in silicon photonics …