Optical manipulation of valley pseudospin

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August undefined, 2024

WebMar 2, 2024 · We have explored the electronic properties and the valley physics of 2D WSe2/CrI3 using first-principles calculations. Our results show that a valley splitting of 2 … WebThe valley pseudospin at the K and K′ high-symmetry points in monolayer transition metal dichalcogenides (TMDs) has potential as an optically addressable degree of freedom in …

Valley Manipulation by Optically Tuning the Magnetic Proximity …

http://www.alessandrostroppa.com/full-list WebMANIPULATION OF VALLEY PSEUDOSPIN IN … PHYSICAL REVIEW B 101, 125401 (2024) FIG. 2. (a) A schematic diagram of the energy band structure showing the valley-dependent optical selection rule in monolayer TMDs. (b) A schematic diagram showing electronic structures at the K+ and K− valleys in the exchange-coupled WSe 2/CrI 3 heterostructure … joey biltmore guys and dolls

Valley-selective optical Stark effect probed by Kerr rotation

WebValley exciton polarization has been created in the transition metal dichalcogenide monolayers using excitation by circularly polarized light and has been detected both … WebOct 26, 2024 · The valley pseudospin in transition metal... Find, read and cite all the research you need on ResearchGate ... fast optical manipulation of single ele ctron spins in quan-tum dots, Solid State ... WebIn this paper, we will review our experimental progress on the investigation of these pseudo-spins using atomically thin semiconductors (MoS 2, MoSe 2 etc.), which are either monolayer or bilayer group VI transition metal dichalcogenides. joey biondo bowler

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Optical manipulation of valley pseudospin Stanford Institute for ...

WebJul 9, 2014 · In transition metal dichalcogenides this valley pseudo-spin, like real spin, is associated with a magnetic moment which underlies the valley-dependent circular dichroism that allows optical generation of valley polarization, intervalley quantum coherence, and the valley Hall effect. WebTitle: Manipulation of valley pseudospin in WSe2/CrI3 heterostructures by the magnetic proximity effect Author(s): Hu T., Zhao G., Gao H., Wu Y., Hong J., Stroppa A., Ren W. ... Title: Magneto-Optical Kerr Switching Properties of (CrI3)2and (CrBr3/CrI3) Bilayers joey biltmore.guys and dollsWebMay 14, 2024 · The valley manipulation is realized via the optical control of the CrI 3 magnetization, which tunes the magnetic exchange field over a range of 20 T. Our results reveal a convenient new path toward the optical control of valley pseudospins and van der Waals magnetic heterostructures. KEYWORDS: Magnetic proximity effect valley 2D … integrity staffing wilmington delaware

"WebI am a PhD candidate in the Personal Robotics Lab at the University of Washington. My current research interests are in robotics and AI with a focus on online learning for … " - Optical manipulation of valley pseudospin

Optical manipulation of valley pseudospin

WebDec 5, 2014 · The valley-selective optical Stark shift breaks the degeneracy of valley exciton transitions in monolayer WSe 2 and defines an effective valley pseudo-magnetic field. In … WebMay 14, 2024 · The valley manipulation is realized via the optical control of the CrI 3 magnetization, which tunes the magnetic exchange field over a range of 20 T. Lastly, our results reveal a convenient new path toward the optical control of valley pseudospins and van der Waals magnetic heterostructures. Authors:

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WebNov 24, 2024 · A variety of strategies have been developed to address the valley pseudospin including optical, electrical, and magnetic methods; nonetheless, they involve either below liquid-nitrogen temperature or an external magnetic field, which increases the cost and complexity of the devices. WebApr 7, 2024 · Request PDF On Apr 7, 2024, Mandeep Khatoniar and others published Optical Manipulation of Layer–Valley Coherence via Strong Exciton–Photon Coupling in Microcavities Find, read and cite ...

WebThe optical Stark e˙ect has been applied to manipulate the spin/pseudospin in quantum systems, such as atomic quantum gases19, quantum dots20,21, and III V quantum … WebGeneration and manipulation of squeezed states of light in optical networks for quantum communication and computation Maxim Raginsky and Prem Kumar Center for Photonic …

WebApr 7, 2024 · Coherent control and manipulation of quantum degrees of freedom such as spins forms the basis of emerging quantum technologies. In this context, the robust valley degree of freedom and the associated valley pseudospin found in two-dimensional transition metal dichalcogenides is a highly attractive platform. WebSep 19, 2016 · Valley exciton polarization has been created in the transition metal dichalcogenide monolayers using excitation by circularly polarized light and has been …

WebJun 24, 2024 · The valley band topology and valley-contrasting physics described earlier serve as the basis for various phenomena and applications in both electronic valley materials and photonic valley systems. These nice properties point to the fact that valley is a powerful DOF that can be used for the manipulation of electromagnetic waves with ...

WebTo efficiently control and manipulate the valley pseudospin is of paramount importance for valley-based electronics and optoelectronics. A variety of strategies have been developed … integrity staffing winchester vaWebSep 19, 2016 · In this paper, we demonstrate all-optical control of the valley coherence by means of the pseudomagnetic field associated with the optical Stark effect. Using below … joey bishop ageWebSep 19, 2016 · Here we demonstrate all-optical control of the valley coherence by means of the pseudomagnetic field associated with the optical Stark effect. Using below-bandgap … integrity stage of social developmentWebJun 10, 2024 · Nanoscale Optical Addressing of Valley Pseudospins through Transverse Optical Spin Nanoscale Optical Addressing of Valley Pseudospins through Transverse … integrity stainlessWebMing-Hui Chiu,4Lain-Jong Li,3,4Feng Wang1,2,5† The valley pseudospin is a degree of freedom that emerges in atomically thin two-dimensional transition metal dichalcogenides (MX 2).The capability to manipulate it, in analogy to the control of spin in spintronics, can open up exciting opportunities. joey bishop tv show castWebMonolayer valley semiconductors, such as tungsten diselenide (WSe$_2$), possess valley pseudospin degrees of freedom that are optically addressable but degenerate in energy. Lifting the energy degeneracy by breaking time-reversal symmetry is vital for valley manipulation. This has been realized by directly applying magnetic fields or via pseudo … joey bishop obituaryWebOct 27, 2024 · To efficiently control and manipulate the valley pseudospin is of paramount importance for valley-based electronics and optoelectronics. A variety of strategies have been developed to address the valley pseudospin including optical, electrical, and magnetic methods; nonetheless, they involve either below liquid-nitrogen… View on PubMed doi.org joeybluesworld