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Randomness-free Test of Non-classicality: a Proof of Concept
Zhonghua Ma, Markus Rambach, Kaumudibikash Goswami +3
Quantum correlations and non-projective measurements underlie a plethora of information-theoretic tasks, otherwise impossible in the classical world. Existing schemes to certify su…
Approximate reconstructability of quantum states and noisy quantum secret sharing schemes
Yingkai Ouyang, Kaumudibikash Goswami, Jacquiline Romero +3
We introduce and analyse approximate quantum secret sharing in a formal cryptographic setting, wherein a dealer encodes and distributes a quantum secret to players such that author…
Efficient Quantum State Tracking in Noisy Environments
Markus Rambach, Akram Youssry, Marco Tomamichel +1
Quantum state tomography, which aims to find the best description of a quantum state -- the density matrix, is an essential building block in quantum computation and communication.…
Experimental characterisation of a non-Markovian quantum process
K. Goswami, C. Giarmatzi, C. Monterola +3
Every quantum system is coupled to an environment. Such system-environment interaction leads to temporal correlation between quantum operations at different times, resulting in non…
Roadmap on Integrated Quantum Photonics
Galan Moody, Volker J. Sorger, Daniel J. Blumenthal +52
Integrated photonics is at the heart of many classical technologies, from optical communications to biosensors, LIDAR, and data center fiber interconnects. There is strong evidence…
Robust and Efficient High-dimensional Quantum State Tomography
Markus Rambach, Mahdi Qaryan, Michael Kewming +3
The exponential growth in Hilbert space with increasing size of a quantum system means that accurately characterising the system becomes significantly harder with system dimension…