Mode-division multiplexing (MDM) technology has drawn tremendous attention for its ability
to expand the link capacity within a single-wavelength carrier, paving the way for large-scale …

We theoretically propose and experimentally demonstrate a novel ultra-compact four-mode
silicon waveguide crossing device based on the asymmetric directional couplers for densely …

A mode multiplexer/demultiplexer (MUX/DeMUX) is a crucial component for constructing
mode-division multiplexing (MDM) systems. In this paper, we propose and experimentally …

To improve the flexibility of the mode division multiplexing (MDM) system, we propose and
experimentally demonstrate a mode splitter by using the inverse design method. The …

In combination with higher piezoelectric effect and larger optical second-order susceptibility
(χ (2)) compared with aluminum nitride (AlN), scandium-doped aluminum nitride (AlScN) …

Plasmonic-based integrated nanophotonic modulators, despite their promising features,
have one key limiting factor of large insertion loss (IL), which limits their practical potential …

An on-chip asymmetric directional coupler (DC) can convert fundamental modes to higher-
order modes and is one of the core components of mode-division multiplexing (MDM) …

We propose and experimentally demonstrate a novel design approach for scalable 3-port
and 4-port mode insensitive multimode switching matrices for the first two quasi-transverse …

A broadband silicon four-mode (de) multiplexer [(De) MUX] is proposed and experimentally
demonstrated based on subwavelength gratings (SWGs)-assisted triple-waveguide couplers …

Wepropose and experimentally demonstrate the ultra-compact mode (de) multiplexers and
polarization beam splitter (PBS) based on tapered bent asymmetric directional couplers. The …