Light manipulation in micro and nano photonic materials and structures

Light manipulation is an important method to enhance the light-matter interactions in micro and nano photonic materials and structures by generating usefulelectric field components and increasing time and pathways of light propagationthrough the micro and nano materials and structures. For example,...

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Main Author: Chen, Zhihui
Format: Doctoral Thesis
Language:English
Published: KTH, Teoretisk kemi och biologi 2012
Subjects:
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-94081
http://nbn-resolving.de/urn:isbn:978-91-7501-353-4
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spelling ndltd-UPSALLA1-oai-DiVA.org-kth-940812013-01-08T13:09:05ZLight manipulation in micro and nano photonic materials and structuresengChen, ZhihuiKTH, Teoretisk kemi och biologiStockholm2012Photonic crystalquantum dotlight-matter interactionLight manipulation is an important method to enhance the light-matter interactions in micro and nano photonic materials and structures by generating usefulelectric field components and increasing time and pathways of light propagationthrough the micro and nano materials and structures. For example, quantum wellinfrared photodetector (QWIP) cannot absorb normal incident radiation so thatthe generation of an electric field component which is parallel to the original incident direction is a necessity for the function of QWIP. Furthermore, the increaseof time and pathways of light propagation in the light-absorbing quantum wellregion will increase the chance of absorbing the photons.The thesis presents the theoretical studies of light manipulation and light-matter interaction in micro and nano photonic materials and structures, aiming atimproving the performance of optical communication devices, photonic integrateddevices and photovoltaic devices.To design efficient micro and nano photonic devices, it is essential to knowthe time evolution of the electromagnetic (EM) field. Two-dimensional and three-dimensional finite-difference time-domain (FDTD) methods have been adopted inthe thesis to numerically solve the Maxwell equations in micro and nano photonicmaterials and structures.Light manipulation in micro and nano material and structures studied in thisthesis includes: (1) light transport in the photonic crystal (PhC) waveguide, (2)light diffraction by the micro-scale dielectric PhC and metallic PhC structures(gratings); and (3) exciton-polaritons of semiconductor quantum dots, (4) surfaceplasmon polaritons at semiconductor-metallic material interface for subwavelengthlight control. All these aspects are found to be useful in optical devices of multiplebeam splitter, quantum well/dot infrared photodetectors, and solar cells. QC 20120507Doctoral thesis, comprehensive summaryinfo:eu-repo/semantics/doctoralThesistexthttp://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-94081urn:isbn:978-91-7501-353-4Trita-BIO-Report, 1654-2312 ; 2012:13application/pdfinfo:eu-repo/semantics/openAccess
collection NDLTD
language English
format Doctoral Thesis
sources NDLTD
topic Photonic crystal
quantum dot
light-matter interaction
spellingShingle Photonic crystal
quantum dot
light-matter interaction
Chen, Zhihui
Light manipulation in micro and nano photonic materials and structures
description Light manipulation is an important method to enhance the light-matter interactions in micro and nano photonic materials and structures by generating usefulelectric field components and increasing time and pathways of light propagationthrough the micro and nano materials and structures. For example, quantum wellinfrared photodetector (QWIP) cannot absorb normal incident radiation so thatthe generation of an electric field component which is parallel to the original incident direction is a necessity for the function of QWIP. Furthermore, the increaseof time and pathways of light propagation in the light-absorbing quantum wellregion will increase the chance of absorbing the photons.The thesis presents the theoretical studies of light manipulation and light-matter interaction in micro and nano photonic materials and structures, aiming atimproving the performance of optical communication devices, photonic integrateddevices and photovoltaic devices.To design efficient micro and nano photonic devices, it is essential to knowthe time evolution of the electromagnetic (EM) field. Two-dimensional and three-dimensional finite-difference time-domain (FDTD) methods have been adopted inthe thesis to numerically solve the Maxwell equations in micro and nano photonicmaterials and structures.Light manipulation in micro and nano material and structures studied in thisthesis includes: (1) light transport in the photonic crystal (PhC) waveguide, (2)light diffraction by the micro-scale dielectric PhC and metallic PhC structures(gratings); and (3) exciton-polaritons of semiconductor quantum dots, (4) surfaceplasmon polaritons at semiconductor-metallic material interface for subwavelengthlight control. All these aspects are found to be useful in optical devices of multiplebeam splitter, quantum well/dot infrared photodetectors, and solar cells. === QC 20120507
author Chen, Zhihui
author_facet Chen, Zhihui
author_sort Chen, Zhihui
title Light manipulation in micro and nano photonic materials and structures
title_short Light manipulation in micro and nano photonic materials and structures
title_full Light manipulation in micro and nano photonic materials and structures
title_fullStr Light manipulation in micro and nano photonic materials and structures
title_full_unstemmed Light manipulation in micro and nano photonic materials and structures
title_sort light manipulation in micro and nano photonic materials and structures
publisher KTH, Teoretisk kemi och biologi
publishDate 2012
url http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-94081
http://nbn-resolving.de/urn:isbn:978-91-7501-353-4
work_keys_str_mv AT chenzhihui lightmanipulationinmicroandnanophotonicmaterialsandstructures
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