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

We propose and experimentally demonstrate a sharply bent multimode silicon waveguide
by introducing a pair of mode converters. The principle of the multimode bend is based on …

Data exchange among different mode channels is indispensable for optical communication
system adopting mode-division multiplexing. Traditional mode exchange device is complex …

We propose and experimentally demonstrate an on-chip switchable mode exchange
utilizing a Mach–Zehnder interferometer assisted by a phase shifter. The switchable …

An ultra-compact mode multiplexer for TE 0, TE 1, TE 2 and TE 3 modes is proposed and
demonstrated experimentally. The device is realized via pixelated waveguides with a …

Very sharp 90° micro-bends for adiabatic optical wave propagation in multimode
waveguides are demonstrated by an inverse design method, and the devices are fabricated …

Reconfigurable photonic integrated devices and circuits are very important for many
applications. Among various mechanisms for realizing reconfigurability, thermo-optic effect …

To overcome the capacity crunch of optical communications based on the traditional single-
mode fiber (SMF), different modes in a few-mode fiber (FMF) can be employed for mode …

A novel integrated scalable multimode switch (SMS) is experimentally demonstrated using
tapered multimodeinterference-based couplers and Ti/W metal heater phase shifters for …

Mode-division multiplexing (MDM) is a promising approach to dramatically enhance the
transmission capacity. A reconfigurable mode (De) multiplexer/switch (RMDS) is a key …