Fungal mycelial materials can mimic numerous nonrenewable materials; they are even
capable of outperforming certain materials at their own applications. Fungi's versatility …

Polarization beam splitters (PBSs) are essential components in integrated optics, particularly
for applications demanding high polarization purity. However, most existing PBS designs …

Recently, the emerging 2-μm waveband has gained increasing interest due to its great
potential for a wide scope of applications. The 2-μm waveband is considered a novel …

The recent advancements in nano-optics have created a strong demand for ultra-compact,
miniaturized photonic devices. However, the mainstream inverse design algorithms face …

Limited refractive index difference of silica waveguide brings great size challenges in
wavelength demultiplexing. A silica dual-band wavelength demultiplexer (DBWD) based on …

Metamaterial absorbers (MAs) with irregular structures facilitate the attainment of unique
absorption properties, leveraging the extensive geometric freedom. However, a challenge …

Multimode waveguide bend (MWB) is one of the essential components for achieving high-
density integration of on-chip mode-division multiplexing (MDM). This paper proposes a low …

Higher-order mode pass filters and power splitters are indispensable components in mode
division multiplexing (MDM) systems. In this work, we report a higher-order mode pass filter …

The escalating demands of compute-intensive applications, including artificial intelligence,
urgently necessitate the adoption of sophisticated optical on-chip interconnect technologies …

In this paper, a 1× 4 ultra-compact wavelength division multiplexing cascaded device (DMC)
with an arbitrary splitting ratio based on adjoint topology optimization reverse design is …