Integrated photonics is attracting considerable attention and has found many applications in
both classical and quantum optics, fulfilling the requirements for the ever-growing complexity …

Integrated optics, having the unique properties of small size, low loss, high integration, and
high scalability, is attracting considerable attention and has found many applications in …

We study analytically the polarization behaviour of directional couplers composed of
birefringent waveguides, showing that they can induce polarization transformations that …

The reconfigurability of integrated photonic chips plays a key role in current experiments in
the area of linear-optical quantum computing. We demonstrate a reconfigurable multiport …

We present a rotated polarization directional coupler (RPDC) on a photonic chip. We
demonstrate a double-track approach to modify the distribution of the refractive index …

Femtosecond laser direct writing (FLDW) enables precise three-dimensional structuring of
transparent host materials such as fused silica. With this technique, reliable integrated …

摘要随着高速光通信, 智能光计算和灵敏光探测等领域的快速发展, 光子集成系统正成为重要
发展趋势, 其对于单元器件性能, 系统集成度和可拓展性提出了更高的要求. 多材料体系三维集成 …

In this Letter, we propose a fabrication technique based on femtosecond laser secondary
direct writing (FsLSDW) that allows us to statically reset the beam-splitting ratio of directional …

Every manufacturing or synthesis process suffers from possible errors or inaccuracies. Thus,
this article presents a theoretical study on how such imperfections affect the efficiency of an …

Quantum communication has extremely high security and is a development direction of
future communication networks. In this paper, an on-chip path, off-chip polarization encoded …