Semi-device-independent framework based on restricted distrust in
prepare-and-measure experiments
- URL: http://arxiv.org/abs/2101.07830v2
- Date: Tue, 25 May 2021 15:08:18 GMT
- Title: Semi-device-independent framework based on restricted distrust in
prepare-and-measure experiments
- Authors: Armin Tavakoli
- Abstract summary: A semi-device-independent framework for prepare-and-measure experiments is introduced.
An experimenter can tune the degree of distrust in the performance of the quantum devices.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: A semi-device-independent framework for prepare-and-measure experiments is
introduced in which an experimenter can tune the degree of distrust in the
performance of the quantum devices. In this framework, a receiver operates an
uncharacterised measurement device and a sender operates a preparation device
that emits states with a bounded fidelity with respect to a set of target
states. No assumption on Hilbert space dimension is required. The set of
quantum correlations is investigated and bounded from both the interior and the
exterior. Furthermore, the optimal performance of quantum state discrimination
with bounded distrust is derived and applied to certification of detection
efficiency. Quantum-over-classical advantages are demonstrated and the
magnitude of distrust compatible with such advantages is explored. Finally,
efficient schemes for semi-device-independent random number generation are
developed.
Related papers
- Quantum Advantage: A Single Qubit's Experimental Edge in Classical Data
Storage [5.914006659564735]
We implement an experiment on a photonic quantum processor establishing efficacy of an elementary quantum system in classical information storage.
The advantage is established by considering a class of simple bipartite games played with the communication resource qubit and classical bit (c-bit)
In addition to demonstrating a robust communication advantage of a single qubit our experiment also opens avenues for immediate applications in near-term quantum technologies.
arXiv Detail & Related papers (2024-03-05T05:09:32Z) - Measurement-Device-Independent Detection of Beyond-Quantum State [53.64687146666141]
We propose a measurement-device-independent (MDI) test for beyond-quantum state detection.
We discuss the importance of tomographic completeness of the input sets to the detection.
arXiv Detail & Related papers (2023-12-11T06:40:13Z) - Semi-device independent nonlocality certification for near-term quantum
networks [46.37108901286964]
Bell tests are the most rigorous method for verifying entanglement in quantum networks.
If there is any signaling between the parties, then the violation of Bell inequalities can no longer be used.
We propose a semi-device independent protocol that allows us to numerically correct for effects of correlations in experimental probability distributions.
arXiv Detail & Related papers (2023-05-23T14:39:08Z) - Quantum Conformal Prediction for Reliable Uncertainty Quantification in
Quantum Machine Learning [47.991114317813555]
Quantum models implement implicit probabilistic predictors that produce multiple random decisions for each input through measurement shots.
This paper proposes to leverage such randomness to define prediction sets for both classification and regression that provably capture the uncertainty of the model.
arXiv Detail & Related papers (2023-04-06T22:05:21Z) - Experimental certification of more than one bit of quantum randomness in
the two inputs and two outputs scenario [0.0]
We present an experimental realization of recent Bell-type operators designed to provide private random numbers that are secure against adversaries with quantum resources.
We use semi-definite programming to provide lower bounds on the generated randomness in terms of both min-entropy and von Neumann entropy.
Our results demonstrate the first experiment that certifies close to two bits of randomness from binary measurements of two parties.
arXiv Detail & Related papers (2023-03-13T20:42:53Z) - Randomness-free Test of Non-classicality: a Proof of Concept [0.0]
Existing schemes to certify such non-classical resources in a device-independent manner require seed randomness.
We propose and experimentally implement a semi-device independent certification technique for both quantum correlations and non-projective measurements without seed randomness.
arXiv Detail & Related papers (2023-03-13T10:44:16Z) - Anticipative measurements in hybrid quantum-classical computation [68.8204255655161]
We present an approach where the quantum computation is supplemented by a classical result.
Taking advantage of its anticipation also leads to a new type of quantum measurements, which we call anticipative.
In an anticipative quantum measurement the combination of the results from classical and quantum computations happens only in the end.
arXiv Detail & Related papers (2022-09-12T15:47:44Z) - Improved Quantum Algorithms for Fidelity Estimation [77.34726150561087]
We develop new and efficient quantum algorithms for fidelity estimation with provable performance guarantees.
Our algorithms use advanced quantum linear algebra techniques, such as the quantum singular value transformation.
We prove that fidelity estimation to any non-trivial constant additive accuracy is hard in general.
arXiv Detail & Related papers (2022-03-30T02:02:16Z) - Sample-efficient device-independent quantum state verification and
certification [68.8204255655161]
Authentication of quantum sources is a crucial task in building reliable and efficient protocols for quantum-information processing.
We develop a systematic approach to device-independent verification of quantum states free of IID assumptions in the finite copy regime.
We show that device-independent verification can be performed with optimal sample efficiency.
arXiv Detail & Related papers (2021-05-12T17:48:04Z) - Certified Randomness From Steering Using Sequential Measurements [0.0]
A single entangled two-qubit pure state can be used to produce arbitrary amounts of certified randomness.
Motivated by these difficulties in the device-independent setting, we consider the scenario of one-sided device independence.
We show how certain aspects of previous work can be adapted to this scenario and provide theoretical bounds on the amount of randomness which can be certified.
arXiv Detail & Related papers (2020-08-03T08:18:29Z) - Semi-device-independent certification of independent quantum state and
measurement devices [0.0]
Certifying that quantum devices behave as intended is crucial for quantum information science.
The experimenter assumes the independence of the devices and knowledge of the unambiguous space dimension.
The presented methods can readily be implemented in experiments.
arXiv Detail & Related papers (2020-03-08T22:15:06Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.