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19912026
most citedPlanck 2015 results. XIII. Cosmological parameters

10.6k citations

Showing 2022 · quant-phShow all

6 papers · 2 filters

quant-ph2022★ 44 cited

Realizing quantum gates with optically-addressable Yb ion qudits

M. A. Aksenov, I. V. Zalivako, I. A. Semerikov +6

The use of multilevel information carriers, also known as qudits, is a promising path for exploring scalability of quantum computing devices. Here we present a proof-of-principle r…

quant-ph2022★ 2 cited

Optimal microwave control pulse for nuclear spin polarization and readout in dense nitrogen-vacancy ensembles in diamond

V. V. Soshenko, I. S. Cojocaru, S. V. Bolshedvorskii +4

Nitrogen-vacancy centers possessing nuclear spins are promising candidates for a novel nuclear spin gyroscope. Preparation of a nuclear spin state is a crucial step to implement a…

quant-ph2022★ 16 cited

Phase randomness in a semiconductor laser: Issue of quantum random-number generation

Roman Shakhovoy, Marius Puplauskis, Violetta Sharoglazova +10

Gain-switched lasers are in demand in numerous quantum applications, particularly, in systems of quantum key distribution and in various optical quantum random number generators. T…

quant-ph2022★ 3 cited

Oscillator laser model

Igor E. Protsenko, Alexander V. Uskov

A laser model is formulated in terms of quantum harmonic oscillators. Emitters in the low lasing states are usual harmonic oscillators, and emitters in the upper states are inverte…

quant-ph2022★ 8 cited

Explicit attacks on BB84 with distinguishable photons

D. Babukhin, D. Kronberg, D. Sych

Distinguishability of photons in non-operational degrees of freedom compromises unconditional security of quantum key distribution since an eavesdropper can improve attack strategi…

quant-ph2022★ 7 cited

Symplectic tomographic probability distribution of crystallized Schrödinger cat states

Julio A. López-Saldívar, Vladimir I. Man'ko, Margarita A. Man'ko

Within the framework of the probability representation of quantum mechanics, we study a superposition of generic Gaussian states associated to symmetries of a regular polygon of n…