Thouless pum** enables topological transport and the direct measurement of topological
invariants. So far, realizations of Thouless pum** rely on the adiabatic evolution of a …

Femtosecond laser direct writing (FsLDW) three-dimensional (3D) photonic integrated
circuits (PICs) can realize arbitrary arrangement of waveguide arrays and coupling devices …

Exceptional points (EPs), which are typically defined as the degeneracy points of a non-
Hermitian Hamiltonian, have been investigated in various physical systems such as …

Polarization maintaining fiber (PMF) effectively reduces mode splitting and back scattering
interference compared to Single Mode Fiber (SMF) in the Fiber Ring Resonator (FRR). In …

Manipulating photons in quantum photonic integrated circuits (QPICs) is essential for
quantum communications and computation, demanding precise control over phase shifts …

摘要非线性晶体是非线性光学领域中实现波长/频率转换的重要载体. 通过周期性地调控非线性
晶体的光学非线性, 可以按需制备多种非线性光子晶体结构, 从而实现特定波长激光高效频率 …

摘要飞秒激光直写技术具有无掩模, 真三维, 高精度等优点, 在透明介质光波导器件立体加工中
具有很好的应用前景. 然而, 实际加工中需根据目标材料的特性反复探索和优化加工参数 …