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

Adopting mode division multiplex (MDM) technology as the next frontier for optical fiber
communication and on-chip optical interconnection systems is becoming very promising …

On‐chip free spectral range (FSR)‐free optical filter with a compact footprint is crucial for
developing emerging sensing applications, as it allows for the optimal utilization of extensive …

Mode converters (MCs) play an essential role in mode-division multiplexing (MDM) systems.
Numerous schemes have been developed on the silicon-on-insulator (SOI) platform, yet …

Orthogonal eigenmodes in multimode waveguides are an indispensable physical dimension
for enhancing the capacity of optical communications, and efficient mode converters are …

Multimode silicon photonics, leveraging mode-division multiplexing technologies, offers
significant potential to increase capacity of large-scale multiprocessing systems for on-chip …

An ultracompact and highly flexible mode-order conversion scheme by exploiting reciprocal
mode transitions is proposed and investigated in detail, where an inverse/asymmetric input …

We proposed a new type of transverse electric (TE) polarized mode-order converter based
on a deeply-etched polygonal slot on a silicon-on-insulator waveguide. Along the transverse …

Computational inverse design techniques have shown potential to become reliable means
for designing compact nanophotonic devices without compromising the performance. Much …

Designing reliable and compact integrated biosensors with high sensitivity is crucial for lab-
on-a-chip applications. We present a bandpass optical filter, as a label-free biosensor …