Homodyne tomography with homodyne-like detection
Stefano Olivares, Alessia Allevi, Giovanni Caiazzo, Matteo G. A. Paris, and Maria Bondani
TL;DR
This paper demonstrates that photon-number-resolving detector data can be used with traditional homodyne tomography techniques to reconstruct quantum states of light, expanding the tools available for quantum information processing.
Contribution
It introduces a method to apply homodyne tomography techniques to PNR detector data, enabling quantum state reconstruction with homodyne-like detection.
Findings
PNR-based detection can effectively reconstruct quantum states
The method bridges homodyne detection and photon-number-resolving detection
Potential applications in quantum information science
Abstract
We show that data from homodyne-like detection based on photon-number-resolving (PNR) detectors may be effectively exploited to reconstruct quantum states of light using the tomographic reconstruction techniques originally developed for homodyne detection based on photodiodes. Our results open new perspectives to quantum state reconstruction, and pave the way to the use of PNR-based homodyne-like detectors in quantum information science.
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Taxonomy
TopicsAtomic and Subatomic Physics Research · Mechanical and Optical Resonators · Quantum Information and Cryptography