Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/166026
Title: Simultaneous dual-color amplified spontaneous emissionand lasing from colloidal quantum well gain media intheir own layered waveguide and cavity
Authors: Isik, Ahmet Tarik
Shabani, Farzan
Isik, Furkan
Kumar, Satish
Delikanli, Savas
Demir, Hilmi Volkan
Keywords: Engineering::Materials::Photonics and optoelectronics materials
Issue Date: 2023
Source: Isik, A. T., Shabani, F., Isik, F., Kumar, S., Delikanli, S. & Demir, H. V. (2023). Simultaneous dual-color amplified spontaneous emissionand lasing from colloidal quantum well gain media intheir own layered waveguide and cavity. Laser & Photonics Reviews. https://dx.doi.org/10.1002/lpor.202300091
Project: M21J9b0085 
MOE-RG62/20 
Journal: Laser & Photonics Reviews 
Abstract: Micro/nanoscale semiconductor multicolor lasers offer great potential for enhanced-performance photonic circuits. Colloidal quantum wells (CQWs) are excellent candidates as active materials for these platforms owing to their superior properties including suppressed Auger recombination and large absorption cross-section. In this work, multicolor optical gain and lasing from the heterostructures of CQWs as the gain media in their own all-solution processed optical cavity are proposed and demonstrated for the first time. Here, using a simple waveguide slab consisting of the thin films of green-emitting CdSeS/Cd0.1Zn0.9S core/hot-injection-shell grown CQWs and red-emitting CdSe/CdS@CdZnS core/crown@shell CQWs, a transparent low refractive index colloidal spacing layer of silica nanoparticles (NPs) is devised that critically suppresses otherwise detrimental nonradiative energy transfer between the green and red-emitting CQWs. This multilayer configuration is key to enabling simultaneous amplified spontaneous emission behavior in two colors with low threshold levels. This layered architecture is further adapted to a whispering-gallery-mode cavity by fabricating a microdisk pattern directly out of these CQWs-NPs-CQWs colloids. The resulting device exhibits dual-color multimode lasing both at 569 and 648 nm at the same time. This unique multicolor lasing layered architecture holds great promise for on-chip photonic applications such as dual-color biological imaging.
URI: https://hdl.handle.net/10356/166026
ISSN: 1863-8880
DOI: 10.1002/lpor.202300091
Schools: School of Electrical and Electronic Engineering 
School of Physical and Mathematical Sciences 
School of Materials Science and Engineering 
Research Centres: LUMINOUS! Centre of Excellence for Semiconductor Lighting & Displays 
Rights: © 2023 Wiley-VCH GmbH. All rights reserved. This is the peer reviewed version of the following article: Isik, A. T., Shabani, F., Isik, F., Kumar, S., Delikanli, S. & Demir, H. V. (2023). Simultaneous dual-color amplified spontaneous emissionand lasing from colloidal quantum well gain media intheir own layered waveguide and cavity. Laser & Photonics Reviews, which has been published in final form at https://doi.org/10.1002/lpor.202300091. 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

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