Notes

Browse notes by subject. Categories are intentionally broad so the archive can grow without reorganizing existing URLs.

General Physics

Fundamental ideas, derivations, and physical intuition across classical and modern physics.

Topological phases, protected boundary states, band structures, and related models.

Scattering, Floquet photonics, complex media, radiation forces, and wave engineering.

Parallel algorithms, numerical implementation, performance analysis, and scientific software.

Experimental methods, instrumentation, measurement workflows, and laboratory observations.

Short research logs, reading notes, practical lessons, and reflections from daily work.

Jul 30, 2026

A short introduction to how temporal periodicity changes the behavior of photonic systems.

Jul 12, 2026

Reviewing the implementation of various PML layers, as well as their stability.

Jun 21, 2026

This blog studies the code structure and attempts to extend the openEMS code to time-varying/nonlinear systems.

May 20, 2026

A short derivarion linking generalized Wigner-Smith operators to radiation forces in wave systems.

Apr 13, 2025

Abstract