The growing maturity of nanofabrication has ushered massive sophisticated optical
structures available on a photonic chip. The integration of subwavelength-structured …

Herein, an attention-grabbing and up-to-date review related to major multiplexing
techniques is presented which includes wavelength division multiplexing (WDM) …

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

On-chip mode-manipulation is one of the most important physical fundamentals for many
photonic integrated devices and circuits. In the past years, great progresses have been …

Subwavelength structures such as subwavelength gratings (SWGs) and subwavelength
metamaterials are capable of tailoring the optical properties of materials and controlling the …

We demonstrate a compact high-performance adiabatic 3-dB coupler for the silicon-on-
insulator platform. The refractive index of the gap region between two coupling waveguides …

We present a broadband integrated photonic polarization splitter and rotator (PSR) using
adiabatically tapered coupled waveguides with subwavelength grating (SWG) claddings …

We propose and demonstrate broadband, entirely mode-evolution-based, polarization
splitter-rotators (PSR) using sub-wavelength grating (SWG) assisted adiabatic waveguides …

Polarizers have been widely used in various optical systems to reduce polarization cross
talk. The polarizers based on the silicon nanowire waveguide can provide chip-scale device …

To further increase the capacity of the optical transmission system, the hybrid mode-and
polarisation-division multiplexing (MDM-PDM) technology has been proved to be an efficient …