Optimal optical measurement of small displacements
We derive the quantum noise limit for the optical beam displacement of a TEM00 mode. Using a multimodal analysis, we show that the conventional split detection scheme for measuring beam displacement is non-optimal with ∼80% efficiency. We propose a new
|Collections||ANU Research Publications|
|Source:||Journal of Optics B: Quantum and Semiclassical Optics|
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