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Quantum Optics with Excitons in Atomically Thin Semiconductors.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Quantum Optics with Excitons in Atomically Thin Semiconductors./
作者:	Scuri, Giovanni.
面頁冊數:	1 online resource (271 pages)
附註:	Source: Dissertations Abstracts International, Volume: 83-09, Section: B.
Contained By:	Dissertations Abstracts International83-09B.
標題:	Condensed matter physics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28869696click for full text (PQDT)
ISBN:	9798209898542

Quantum Optics with Excitons in Atomically Thin Semiconductors.
Scuri, Giovanni.

Quantum Optics with Excitons in Atomically Thin Semiconductors. - 1 online resource (271 pages)

Source: Dissertations Abstracts International, Volume: 83-09, Section: B.

Thesis (Ph.D.)--Harvard University, 2022.

Includes bibliographical references

Atomically thin transition metal dichalcogenides (TMDs) are a class of two-dimensional (2D) semiconductors that provide an excellent platform for explorations of quantum many-body physics arising from strong and controlled interactions. TMDs host tightly bound electron-hole pairs (excitons) that couple to light in the visible regime, allowing for optical probing of local material properties as well as quantum manipulation of light. Crucially, TMDs can be stacked between other types of 2D materials to create van der Waals (vdW) heterostructures that have novel engineered properties not naturally present in the constituent materials.This dissertation discusses experiments that utilize high-quality vdW heterostructures to create highly coherent excitons for optical studies of quantum phenomena. First, we discuss how TMDs can act as nonlinear atomically thin mirrors due to the excellent exciton properties. Then we explore ways of electromechanically tuning the exciton-photon coupling, demonstrating spatially homogeneous excitons in a TMD device. Using this progress in making high-quality devices, we observe dark excitons arising from a nominally spin forbidden transition, and study how the twist angle between two TMD layers can be used to engineer the exciton properties. Finally, we optically detect a Wigner crystal of electrons arising from the strong interactions between the charges. These results pave the way for future studies of quantum many-body phases of excitons and charges, with applications in quantum optics and simulation.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798209898542Subjects--Topical Terms:

3173567
Condensed matter physics.
Subjects--Index Terms:

Atomically-thin transition-metal dichalcogenidesIndex Terms--Genre/Form:

542853
Electronic books.

Quantum Optics with Excitons in Atomically Thin Semiconductors.
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502 $a Thesis (Ph.D.)--Harvard University, 2022.
504 $a Includes bibliographical references
520 $a Atomically thin transition metal dichalcogenides (TMDs) are a class of two-dimensional (2D) semiconductors that provide an excellent platform for explorations of quantum many-body physics arising from strong and controlled interactions. TMDs host tightly bound electron-hole pairs (excitons) that couple to light in the visible regime, allowing for optical probing of local material properties as well as quantum manipulation of light. Crucially, TMDs can be stacked between other types of 2D materials to create van der Waals (vdW) heterostructures that have novel engineered properties not naturally present in the constituent materials.This dissertation discusses experiments that utilize high-quality vdW heterostructures to create highly coherent excitons for optical studies of quantum phenomena. First, we discuss how TMDs can act as nonlinear atomically thin mirrors due to the excellent exciton properties. Then we explore ways of electromechanically tuning the exciton-photon coupling, demonstrating spatially homogeneous excitons in a TMD device. Using this progress in making high-quality devices, we observe dark excitons arising from a nominally spin forbidden transition, and study how the twist angle between two TMD layers can be used to engineer the exciton properties. Finally, we optically detect a Wigner crystal of electrons arising from the strong interactions between the charges. These results pave the way for future studies of quantum many-body phases of excitons and charges, with applications in quantum optics and simulation.
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538 $a Mode of access: World Wide Web
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