WebBased on the concept of ... When performing maximum-likelihood quantum-state tomography, one must find the quantum state that maximizes the likelihood of the state given observed measurements on identically prepared systems. The optimization is usually performed with iterative algorithms. This paper provides a gradient-based upper bound … WebJun 15, 2016 · The standard method of "measuring" quantum wavefunction is the technique of {\\it indirect} quantum state tomography. Owing to conceptual novelty and possible advantages, an alternative {\\it direct} scheme was proposed and demonstrated recently in quantum optics system. In this work we present a study on the direct scheme of …
Quantum tomography - Wikipedia
WebApr 13, 2024 · The quantum tomographic analog of Mather’s problem is to find a marginal distribution ω that minimizes the tomographic action Aqu ( ω) defined by ( 23) and satisfies the following three (tomographic) constraints: 1. … WebOct 13, 2024 · Quantum state tomography An essential tool in the field of quantum information, quantum state tomography allows us to gain information about an … undercover boss subway episode
Experimental neural network enhanced quantum tomography
WebSep 16, 2024 · Quantum state tomography (QST) has been the traditional method for characterization of an unknown state. Recently, many direct measurement methods have been implemented to reconstruct the state in a resource efficient way. In this Letter, we present an interferometric method, in which any qubit state, whether mixed or pure, can … WebMar 8, 2024 · The standard way to characterize a quantum system 1,2,3,4,5,6 is known as quantum state tomography. 5,7 It involves measuring expectation values of a complete set of observables and using these to ... WebJul 29, 2005 · We propose an approach to reconstruct any superconducting charge qubit state by using quantum state tomography. This procedure requires a series of measurements on a large enough number of identically prepared copies of the quantum system. The experimental feasibility of this procedure is explained and the time scales … undercover boss shoppers world