Title

Path-symmetric states and parity detection in quantum optical interferometry

Document Type

Conference Proceeding

Publication Date

12-1-2013

Abstract

In optical phase estimation, pure states that achieve maximal phase sensitivities with number counting, are symmetric with respect to a certain exchange of paths. We prove the optimality of photon-number parity detection for such path-symmetric states. © 2013 Optical Society of America.

Publication Source (Journal or Book title)

Optics InfoBase Conference Papers

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