The rapid development of fabrication techniques has boosted the resurgence of integrated
photonics based on lithium niobate (LN). While thin-film LN is available and has been a …

Polarization devices on lithium niobate thin film (LNTF) are vital components for photonic
integrated circuits (PICs) on the novel platform. Because both linear and nonlinear devices …

In this work, we propose and experimentally demonstrate a broadband polarization splitter-
rotator (PSR) on the lithium niobate on insulator (LNOI). With multiple sequentially …

A Polarization Rotator-Splitter (PRS) based on thin-film lithium niobate (TFLN) is
demonstrated in this work. The PRS consists of a partially etched polarization rotating taper …

Thin film lithium niobate (TFLN) has emerged as a promising platform for photonic integrated
circuits (PICs). However, the polarization crosstalk is usually inevitable owing to its …

Photonic metamaterials interact with light at the micro–nano scale, enabling unprecedented
optical manipulation capabilities, which play a key role in nonlinear optics, spin optics …

We present an ultra-broadband and low-modal-crosstalk mode multiplexer based on
cascaded vertical directional couplers formed by adiabatic-tapered waveguides without …

Due to sensitive scaling of the wavelength and the visible-light absorption properties with
the device dimension, traditional passive silicon photonic devices with asymmetric …

Fiber-to-chip coupling is an essential issue for taking high-performance integrated photonic
devices into practical applications. On a thin-film lithium niobate platform, such a high …

Polarization splitter-rotators (PSRs) are crucial components for controlling the polarization
states of light in polarization-division multiplexing systems. However, current PSRs on the …