Direct Identification of Valley Coherence and Its Manipulation in Monolayer Two-Dimensional Semiconductor.
Sign Up to like & getrecommendations! Published in 2025 at "ACS nano"
DOI: 10.1021/acsnano.5c02659
Abstract: Monolayer two-dimensional semiconductors are endowed with valley degrees of freedom due to broken inversion symmetry and strong spin-orbit coupling. The excited states in the K and K' valleys possess information on valley pseudospin, which is… read more here.
Keywords: valley coherence; coherence time; valley; coherence ... See more keywords
Using Molecular Design to Enhance the Coherence Time of Quintet Multiexcitons Generated by Singlet Fission in Single Crystals.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c12414
Abstract: Multiexciton quintet states, 5(TT), photogenerated in organic semiconductors using singlet fission (SF), consist of four quantum entangled spins, promising to enable new applications in quantum information science. However, the factors that determine the spin coherence… read more here.
Keywords: single crystals; fission; coherence time; singlet fission ... See more keywords
Extension of the Coherence Time by Generating MW Dressed States in a Single NV Centre in Diamond
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-49683-z
Abstract: Nitrogen-vacancy (NV) centres in diamond hold promise in quantum sensing applications. A major interest in them is an enhancement of their sensitivity by the extension of the coherence time (T 2). In this report, we… read more here.
Keywords: dressed states; extension coherence; coherence time;
Interference of single photons with ultralong coherence time
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0217815
Abstract: Two-photon interference (TPI) is a fundamental phenomenon in quantum optics and plays a crucial role in optical quantum technologies. TPI is commonly considered as quantum interference with an upper bound of 100% for both the… read more here.
Keywords: time; photons ultralong; coherence time; single photons ... See more keywords
Control and coherence time enhancement of the 0–π qubit
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ab09b0
Abstract: Kitaev's 0-$\pi $ qubit encodes quantum information in two protected, near-degenerate states of a superconducting quantum circuit. In a recent work, we have shown that the coherence times of a realistic 0-$\pi $ device can… read more here.
Keywords: coherence time; coherence; control; physics ... See more keywords
Giant magnetic anisotropy energy and long coherence time of uranium substitution on defected Al2O3(0001)
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.102.054406
Abstract: Nanomagnets with giant magnetic anisotropy energy and long coherence time are desired for various technological innovations such as quantum information procession and storage. Based on the first-principles calculations and model analyses, we demonstrate that a… read more here.
Keywords: anisotropy energy; magnetic anisotropy; long coherence; coherence time ... See more keywords
Rotational Coherence Times of Polar Molecules in Optical Tweezers.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.127.123202
Abstract: Qubit coherence times are critical to the performance of any robust quantum computing platform. For quantum information processing using arrays of polar molecules, a key performance parameter is the molecular rotational coherence time. We report… read more here.
Keywords: coherence time; coherence times; rotational coherence; polar molecules ... See more keywords
Symmetry Protected Two-Photon Coherence Time.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review letters"
DOI: 10.1103/physrevlett.133.033601
Abstract: We report the observation of symmetry protected two-photon coherence time of biphotons generated from backward spontaneous four-wave mixing in laser-cooled ^{87}Rb atoms. When biphotons are nondegenerate, nonsymmetric photonic absorption loss results in exponential decay of… read more here.
Keywords: coherence time; two photon; time; photon coherence ... See more keywords
AI-Based Channel Prediction in D2D Links: An Empirical Validation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3182713
Abstract: Device-to-Device (D2D) communication propelled by artificial intelligence (AI) will be an allied technology that will improve system performance and support new services in advanced wireless networks (5G, 6G and beyond). In this paper, AI-based deep… read more here.
Keywords: channel; prediction; d2d links; coherence time ... See more keywords
Beam Coherence Time Analysis for Mobile Wideband mmWave Point-to-Point MIMO Channels
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2024.3381434
Abstract: Multi-Gbps data rates are achievable in millimeter-wave (mmWave) bands, but a prominent issue is the tiny wavelength that results in rapid fading variations and significant pilot signaling for channel estimation. In this letter, we recognize… read more here.
Keywords: beam coherence; point; time analysis; coherence time ... See more keywords
Extending the coherence time of molecules
Sign Up to like & getrecommendations! Published in 2017 at "Science"
DOI: 10.1126/science.357.6349.366-j
Abstract: Ultracold Molecules Quantum properties of atoms and molecules can be exploited for precision measurements or quantum information processing. The complex state structure of molecules can be exploited, but it is hard to preserve the coherence… read more here.
Keywords: time molecules; extending coherence; coherence time; coherence ... See more keywords