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physics.optics2024
Towards the Quantum Limits of Phase Retrieval
Jacob Trzaska, Amit Ashok
We consider the problem of determining the spatial phase profile of a single-mode electromagnetic field. Our attention is on input states that are a statistical mixture of displace…
physics.optics2017★ 2 cited
Fundamental limit of resolving two point sources limited by an arbitrary point spread function
Ronan Kerviche, Saikat Guha, Amit Ashok
Estimating the angular separation between two incoherently radiating monochromatic point sources is a canonical toy problem to quantify spatial resolution in imaging. In recent wor…