Information limits of photonic lantern wavefront sensing: a Fisher- and quantum-Fisher-information framework and its relation to Fourier-filtering sensitivity limits

arXiv:2607.29342 · astro-ph.IM, physics.optics, quant-ph · Submitted 2026-07-31 · Read on arXiv

astro-ph.IM, physics.optics, quant-ph

Submitted: 2026-07-31

Updated: 2026-09-16

Comments: 17 pages, 4 figures, 1 table

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fisher Information — 15× in this paper · explained in 3 episodes
• Aperture — 10× in this paper · explained in 1 episode
• Benchmark — 5× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Adaptive Optics (AO) — 1× in this paper · explained in 2 episodes
• Additivity — 1× in this paper · explained in 1 episode
• Core — 1× in this paper · explained in 2 episodes
• Information-Theoretic Framework — 1× in this paper · explained in 2 episodes
• Scaffolding — 1× in this paper · explained in 3 episodes
• Unified Framework — 1× in this paper · explained in 5 episodes

Sources

• Reaching the fundamental sensitivity limit of wavefront sensing on arbitrary apertures with the Phase Induced Amplitude Apodized Zernike Wavefront Sensor (PIAA-ZWFS)

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