Quantum Mechanics IV: Photons, Interferometers, and Optical Qubits Step by Step
A lightweight execution-visualization book.
Photon Energy and Detector Counts
Frequency Sets Photon Energy
Photon Count Multiplies Energy
Detector Efficiency Is A Count Gate
Beam Splitters as Path Ledgers
Half-Silvered Mirror Splits Counts
Path Labels Are The Physical State
Cascade Splits Only The Selected Arm
Mach-Zehnder Phase Interference
Same Phase Recombines Bright
Opposite Phase Recombines Dark
Blocked Arm Removes Interference
Optical Qubits and a Source-Checked Audit
Dual Rail Encodes Zero And One
Swap Mirror Flips The Rail Label
Photonic Audit Closes The Chain
Photonic Hardware Cross Scans
Photon Energy Three-Row Scan
Detector Efficiency Three-Row Scan
Interferometer Routing Three-Row Scan
Photonic Boundary Depth Scans
Photon Packet Energy Budget Boundary Scan
Detector Click Floor Boundary Scan
Splitter Branch Floor Boundary Scan
Interferometer Loss Ceiling Boundary Scan
Photonic Audit Click Floor Boundary Scan