Von Neumann Entropy

Quantum superposition and classical mixing

Polarization with Basis Decomposition

Polarization through phase shifts

Envelopes and Fourier Transforms

Gaussian envelopes achieve the minimum time–bandwidth product.

Dilution Refrigeration

Entropy of mixing and cryogenic cooling

Matched Filters for Spectroscopy

Finding patterns in noisy backgrounds

Diffraction Limited Resolution

Smaller wavelengths enhance resolution

Magnetic Polaritons

LC Resonanators

Surface Plasmon Polaritons

Oscillation and electromagnetic wave coupling