Title

Study of exciton-polaritons in CsPbBr3 annular microcavities

DGIST Authors

Jihwan Lee ; Chang-Hee Cho ; Youngwook Kim

Advisor

조창희

Co-Advisor(s)

Youngwook Kim

Issued Date

2025

Awarded Date

2025-08-01

Type

Thesis

Description

Exciton-polaritons, Perovskite, Microcavities.

Table Of Contents

List of Contents

ABSTRACT i
List of Contents ii
List of Tables iv
List of Figures v
Ⅰ. INTRODUCTION 1
1.1 Exciton-polaritons 1
1.1.1 Polariton physics 1
1.1.2 Bose-Einstein condensation of polaritons 4
1.2 Annular microcavities 7
1.3 Lead halide perovskites 9
1.4 Experimental design 11
1.4.1 Exciton-polariton spin 11
1.4.2 Polariton spin transport coupled with transverse optical spin 13
II. EXPERIMENTAL DETAILS 16
2.1 Cavity fabrication 16
2.1.1 Growth of single-crystal microplates 17
2.1.2 Transfer method 19
2.1.3 Electron-beam lithography 21
2.1.4 Top DBR deposition 22
III. RESULTS AND DISCUSSION 23
3.1 Annular microcavity characterization 23
3.1.1 Confinement effect of polariton dispersions 24
3.1.2 Polariton lasing modes 25
3.1.3 Selective excitation of orbital modes 28
3.2 Polariton spin separation and transport 31
3.2.1 Spin-polarized polariton lasing modes 31
3.2.2 Polariton spin transport coupled with transverse optical spin 33
IV. CONCLUSION 35
References 36

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/59849
http://dgist.dcollection.net/common/orgView/200000890280

DOI

10.22677/THESIS.200000890280

Degree

Master

Department

Department of Physics and Chemistry

Publisher

DGIST

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