Quantum measurement · Link budget
Quantum measurement links
Loss accounting & verification
Squeezed light · Atomic spin · Optomechanics · Superconducting
4.3dB surviving when 10 dB of squeezing crosses 30% loss
23.35inferred source squeezing; 2.5% loss costs 8 dB
0.72how far the world record sits from its own floor
1.56coated versus uncoated end faces — one item, two
01
Accounting
How many dB are left, which term to fix. With a live calculator.
Open → 02Tools
Computing package, tolerance table, budget sheet, certificate and reproduction pack.
Open → 03Cases
Seven published-data checks — including one we retracted.
Open → 04Standard
What to report, how to verify, what a certificate looks like.
Open →