As a fundamental optical approach to interferometry, Sagnac interference has been widely
used for reflection manipulation, precision measurements, and spectral engineering in …

Segmenting silicon waveguides at the subwavelength scale produce an equivalent
homogenous material. The geometry of the waveguide segments provides precise control …

Miniaturized integrated spectrometers will have unprecedented impact on applications
ranging from unmanned aerial vehicles to mobile phones, and silicon photonics promises to …

It is a remarkable and straightforward approach to customize the dispersion and nonlinear
properties of the photonic devices without varying the composition of the material by …

Exceptional points (EPs) are branch point singularities of self-intersecting Riemann sheets,
and they can be observed in a non-Hermitian system with complex eigenvalues. It has been …

Abstract Broadband Silicon-On-Insulator (SOI) directional couplers are designed based on a
combination of curved and straight coupled waveguide sections. A design methodology …

A successful design, fabrication and test of silicon photonic circuits requires design tools,
process design kits (PDKs), foundries for fabrication, and test facilities. This paper describes …

Properties of reflection and transmission spectral filters based on Bragg gratings in
subwavelength grating (SWG) metamaterial waveguides on silicon-on-insulator platform …

We report on a compact, ultra-broadband, 2× 2 adiabatic 3 dB coupler using silicon-on-
insulator (SOI) strip waveguides assisted by sub-wavelength gratings (SWGs). In our device …

The construction of large-scale integrated photonic circuit cannot be separated from the
important role played by silicon-based optoelectronic devices. As a basic and important link …