Optical manipulation of valley pseudospin
WebThe valley pseudospin in transition metal dichalcogenide (TMDC) monolayers is a promising degree of freedom for such control, with the optical Stark effect allowing for valley-selective manipulation of energy levels in WS2 and WSe2 using ultrafast optical pulses. 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
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WebJun 10, 2024 · For practical applications, on-chip access to and manipulation of valley pseudospins is paramount, not only to read out but especially to initiate the valley pseudospin state. Here, we experimentally demonstrate the selective on-chip, optical near-field initiation of valley pseudospins at room temperature. 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 …
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. WebNov 16, 2024 · Optical manipulation of layer-valley coherence via strong exciton-photon coupling in microcavities. Coherent control and manipulation of quantum degrees of …
WebNov 12, 2016 · Manipulation of valley pseudospins is crucial for future valleytronics. The emerging transition metal dichalcogenides (TMDs) provide new possibilities for exploring the interplay among the quantum degrees of freedom, including real spin, valley pseudospin, and layer pseudospin. WebJun 10, 2024 · Nanoscale Optical Addressing of Valley Pseudospins through Transverse Optical Spin Nanoscale Optical Addressing of Valley Pseudospins through Transverse …
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 …
WebApr 30, 2014 · The optical orientation of excitonic valley pseudospin can be represented using the Bloch sphere ( Fig. 3g–i ), where the poles correspond to valley polarization and … inch a metriWebSaima Jalal, M.D. is a Board certified Ophthalmologist & Cataract Surgeon with Fox Valley Ophthalmology serving St Charles, Elgin & all of Illinois. st. charles. 630.584.9850. elgin. … inadequate oral hygieneWebValley exciton polarization has been created in the transition metal dichalcogenide monolayers using excitation by circularly polarized light and has been detected both … inch a micrasWebSep 19, 2016 · Valley exciton polarization has been created in the transition metal dichalcogenide monolayers using excitation by circularly polarized light and has been … inch a mmWebSep 19, 2016 · Valley exciton polarization has been created in the transition metal dichalcogenide monolayers using excitation by circularly polarized light and has been … inch a mWebOct 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 inadequate oxygenation pathophysiologyWebTo 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 temperature or an ... inch a mils