Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/165264
Title: Ultrahigh quality microlasers from controlled self‐assembly of ultrathin colloidal semiconductor quantum wells
Authors: Thung, Yi Tian
Duan, Rui
Durmusoglu, Emek Goksu
He, Yichen
Xiao, Lian
Lee, Calvin Xiu Xian
Lew, Wen Siang
Zhang, Lin
Demir, Hilmi Volkan
Sun, Handong
Keywords: Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Science::Physics::Optics and light
Issue Date: 2023
Source: Thung, Y. T., Duan, R., Durmusoglu, E. G., He, Y., Xiao, L., Lee, C. X. X., Lew, W. S., Zhang, L., Demir, H. V. & Sun, H. (2023). Ultrahigh quality microlasers from controlled self‐assembly of ultrathin colloidal semiconductor quantum wells. Laser and Photonics Reviews, 17(7), 2200849-. https://dx.doi.org/10.1002/lpor.202200849
Project: NRF-CRP23-2019-0007 
AME-IRG- A20E5c0083 
M21J9b0085 
MOE-RG62/20 
REQ0165097 
Journal: Laser and Photonics Reviews 
Abstract: Colloidal quantum wells (CQWs) have emerged as a promising class of gain material in various optical feedback configurations. This is due to their unique excitonic features arising from their 1D quantum confinement. However, existing methods for integrating CQW onto microresonators will cause low laser quality due to uneven CQW coating. To overcome this, the use of liquid-interface kinetically driven self-assembly is proposed to coat ultrathin, close-packed layers of colloidal CdSe/Cd1−xZnxS core/shell CQWs between 7 and 14 nm onto the surface of silica microsphere cavities. The fabricated CQW-whispering-gallery-mode microlasers possess a commendable high quality (Q) factor of 13 000 at room temperature. Stable single-mode lasing output is demonstrated through evanescent field coupling between a CQW-coated microsphere and a thin uncoated microfiber in a 2D-3D microcavity configuration. These promising results highlight the suitability of the liquid-interface kinetically driven self-assembly method for realizing ultrathin CQW-coated microlasers and its high compatibility for integrating colloidal nanocrystals onto complex 3D microstructures for future miniaturized colloidal optoelectronic and photonic applications.
URI: https://hdl.handle.net/10356/165264
ISSN: 1863-8880
DOI: 10.1002/lpor.202200849
Schools: School of Physical and Mathematical Sciences 
School of Electrical and Electronic Engineering 
School of Materials Science and Engineering 
Research Centres: LUMINOUS! Centre of Excellence for Semiconductor Lighting & Displays 
The Photonics Institute 
Rights: © 2023 Wiley-VCH GmbH. This is the accepted version of the following article: Thung, Y. T., Duan, R., Durmusoglu, E. G., He, Y., Xiao, L., Lee, C. X. X., Lew, W. S., Zhang, L., Demir, H. V. & Sun, H. (2023). Ultrahigh quality microlasers from controlled self‐assembly of ultrathin colloidal semiconductor quantum wells. Laser and Photonics Reviews, 2200849-, which has been published in final form at https://doi.org/10.1002/lpor.202200849. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
MSE Journal Articles
SPMS Journal Articles

Files in This Item:
File Description SizeFormat 
Accepted Manuscript.pdf1.11 MBAdobe PDFThumbnail
View/Open
Accepted Supplementary Information.pdf664.15 kBAdobe PDFThumbnail
View/Open

SCOPUSTM   
Citations 50

4
Updated on Jul 12, 2024

Page view(s)

182
Updated on Jul 20, 2024

Download(s)

28
Updated on Jul 20, 2024

Google ScholarTM

Check

Altmetric


Plumx

Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.