Integrated photonic devices for realising photonic quantum computing: part 1

Transition Metal Dichalcogenides (TMDs) have emerged as a promising class of materials for developing Photonic Integrated Circuits (PICs) and practical quantum processors, mainly due to their unique advantages, such as convenient on-chip integration. In this work, we study the effects of strain on t...

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Main Author: Lee, Wen Wei
Other Authors: Nam Donguk
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2023
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Online Access:https://hdl.handle.net/10356/167437
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Institution: Nanyang Technological University
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spelling sg-ntu-dr.10356-1674372023-11-29T08:16:41Z Integrated photonic devices for realising photonic quantum computing: part 1 Lee, Wen Wei Nam Donguk School of Electrical and Electronic Engineering dnam@ntu.edu.sg Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics Transition Metal Dichalcogenides (TMDs) have emerged as a promising class of materials for developing Photonic Integrated Circuits (PICs) and practical quantum processors, mainly due to their unique advantages, such as convenient on-chip integration. In this work, we study the effects of strain on the emission wavelength and carrier lifetime in 2D materials, focusing on WSe2 and its strong light-matter interaction, tunable emission, and high electron mobility. We demonstrate the red-shifting of the emission wavelength and reduced carrier lifetime by adding stressor layers. We show that the geometry of stressors can adjust the amount of wavelength shift, suggesting the possibility of developing wavelength-tunable light sources. Experimental work involving the fabrication of CdSe quantum dots and the analysis of PL emission peaks of WSe2 and MoS2 heterostructures provides valuable insights into the role of twist angle on the optical properties of TMD heterostructures. A measurement setup has been designed and utilised to characterise the fabricated samples, comprising an optical pump for photoluminescence emission, a spectrometer for frequency analysis, and a charge-coupled device (CCD) spectroscopy camera for spectra and temporal measurements. Bachelor of Engineering (Electrical and Electronic Engineering) 2023-05-26T07:25:37Z 2023-05-26T07:25:37Z 2023 Final Year Project (FYP) Lee, W. W. (2023). Integrated photonic devices for realising photonic quantum computing: part 1. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/167437 https://hdl.handle.net/10356/167437 en A2192-221 application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
spellingShingle Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Lee, Wen Wei
Integrated photonic devices for realising photonic quantum computing: part 1
description Transition Metal Dichalcogenides (TMDs) have emerged as a promising class of materials for developing Photonic Integrated Circuits (PICs) and practical quantum processors, mainly due to their unique advantages, such as convenient on-chip integration. In this work, we study the effects of strain on the emission wavelength and carrier lifetime in 2D materials, focusing on WSe2 and its strong light-matter interaction, tunable emission, and high electron mobility. We demonstrate the red-shifting of the emission wavelength and reduced carrier lifetime by adding stressor layers. We show that the geometry of stressors can adjust the amount of wavelength shift, suggesting the possibility of developing wavelength-tunable light sources. Experimental work involving the fabrication of CdSe quantum dots and the analysis of PL emission peaks of WSe2 and MoS2 heterostructures provides valuable insights into the role of twist angle on the optical properties of TMD heterostructures. A measurement setup has been designed and utilised to characterise the fabricated samples, comprising an optical pump for photoluminescence emission, a spectrometer for frequency analysis, and a charge-coupled device (CCD) spectroscopy camera for spectra and temporal measurements.
author2 Nam Donguk
author_facet Nam Donguk
Lee, Wen Wei
format Final Year Project
author Lee, Wen Wei
author_sort Lee, Wen Wei
title Integrated photonic devices for realising photonic quantum computing: part 1
title_short Integrated photonic devices for realising photonic quantum computing: part 1
title_full Integrated photonic devices for realising photonic quantum computing: part 1
title_fullStr Integrated photonic devices for realising photonic quantum computing: part 1
title_full_unstemmed Integrated photonic devices for realising photonic quantum computing: part 1
title_sort integrated photonic devices for realising photonic quantum computing: part 1
publisher Nanyang Technological University
publishDate 2023
url https://hdl.handle.net/10356/167437
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