A personal notebook

Notes on photons and everything refracted

Hello, world - this is Joshua! Here you’ll find my explorations in optics, quantum science, and computing.

Recent writing

Single-Shot 3D SIM: How a Spinning Disk Reconstructs an Image

One exposure per optical section, approximately twice the resolution: discover how a spinning disk performs 3D SIM reconstruction in the optical path.

OpticsSep 6, 2026

Pulsed Laser Generation: Mode Locking and Q-Switching

Two ways to make a laser pulse, and why they behave so differently.

OpticsAug 23, 2026

How a Silver Mirror Modifies Laser Polarization at 488 nm

Wait a sec - can a mirror act like a wave plate?

OpticsAug 9, 2026

Explore by topic

Optics

Optical fundamentals and frontier applications: microscopy, lithography, XR glasses, and satellite optics.

Quantum

Quantum optics and quantum information, where light, matter, and information meet.

Computing

Emerging computing paradigms: from computational imaging to deep optics and photonic computing.