Optical manipulation of valley pseudospin
WebJul 26, 2024 · Here, we show valley-selective control of polariton energies in WS 2 using the optical Stark effect, extending coherent valley manipulation to the hybrid light-matter regime. Ultrafast pump-probe measurements reveal polariton spectra with strong polarization contrast originating from valley-selective energy shifts. 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 ...
Optical manipulation of valley pseudospin
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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 … WebSep 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 …
WebApr 7, 2024 · Here, the control of layer–valley coherence via strong coupling of valley excitons in bilayer WS2to microcavity photons is demonstrated by exploiting the … WebJul 30, 2024 · Our findings set a comprehensive approach for intrinsic and efficient manipulation of valley pseudospin and spin degree of freedom toward realistic opto-valleytronics devices. KEYWORDS: alloyed TMD monolayers room-temperature valley polarization valley Supporting Information
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 … WebOct 14, 2024 · Thus, the spin-valley locking and the interplay of two inequivalent valleys give rise to valley-dependent optical selection rules [17]. Manipulation of valley pseudospin thus becomes a central theme in the eld of valleytronics. Several methods have been proposed to achieve transient valley polarization such as optical excitations [18{20], by
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 …
WebOne of the unique features of these monolayer materials, the valley pseudospin, can be manipulated by controlling the local properties of optical fields. Here, we discuss two manifestations of ... highest paid tackles in the nflWebSep 19, 2016 · Valley exciton polarization has been created in the transition metal dichalcogenide monolayers using excitation by circularly polarized light and has been … highest paid teacher in kotaWebValley exciton polarization has been created in the transition metal dichalcogenide monolayers using excitation by circularly polarized light and has been detected both … highest paid teachers in the usaWebI 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 … highest paid teachersWebOct 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 ... highest paid teaching jobshttp://maxim.ece.illinois.edu/pubs/raginsky_kumar_JOpB01.pdf highest paid surveys australiaWebNov 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. highest paid teacher salary