Quantum limits in image processingdoi:10.1109/CLEOE-IQEC.2007.4386912V. DelaubertN. TrepsC. FabreH.A. BachorP. RefregierIEEEInternational Quantum Electronics Conference
Controlling the evolution of photonic quantum states is crucial for most quantum information processing and metrology tasks. Due to its importance, many mechanisms of quantum state evolution have been tested in detail and are well understood; however, the fundamental phase anomaly of evolving waves, ...
One shortcoming of the model (4.14) is its complexity in preparing the mixed state \(\rho _{{YX}}\), which limits its practical applicability and confines it to theoretical research. In the paper [37], we learned that, in the general situation, it is possible to purify the mixed state...
limits of today’s computers, across a range of industries and applications, includingfinance,transportation,pharmaceuticals, andgreen technology. While quantum computing is just one of three main areas of emerging quantum technology, it alone could account fornearly $1.3 trillion in valueby 2035 and...
It is, however, suffering from optical diffraction limits. Herein, we report a spatial resolution improved to the quantum limit by exploiting a threshold tracing and lock-in method, whereby the two-order gap between atomic point defect complexes and optical diffraction limit is surpassed, and a ...
The most read articles in the last 3 years EXPERIMENTAL PROPOSAL OF SWITCHED "DELAYED-CHOICE" FOR ENTANGLEMENT SWAPPING THOMAS JENNEWEIN, ČASLAV BRUKNER, MARKUS ASPELMEYER, and ANTON ZEILINGER Vol. 03, No. 01 Resolution limits of spatial mode demultiplexing with noisy detection ...
An interesting protocol for quantum identity authentication on a basis of the classic shared secret has been presented recently (Hong et al. in Quantum Inf Process 16(10): 236, 2017). It requires few resources and it is technologically feasible. Its seminal analysis focuses on average eavesdroppe...
5 Both schemes result in incident light being piped laterally through the detector. This clearly limits the configuration of detectors to linear arrays and single elements. For imaging, it is necessary to be able to couple light uniformly to two-dimensional arrays of detectors. An elegant way to...
It can then be advantageous to use the classical theory—within its limits of applicability—to describe, and develop an intuition for, more complex problems involving atomic ensembles. The classical description also leads to some results that are of course contained in the quantum theory, but ...
Fundamental limits of repeaterless quantum communications. Nat. Commun. 8, 15043 (2017). Article ADS Google Scholar Pirandola, S. et al. Advances in quantum cryptography. Adv. Opt. Photon. 12, 1012–1236 (2020). Article Google Scholar Cao, Y. et al. The evolution of quantum key ...