Investigation of temperature prolife in the waveguide

The demand for data traffic has initiated the development of optical telecommunications. Due to explosive growth of optical network, has brought forward an increased need for guided-wave optical component. The purpose of this work is to investigate the temperature profile in the thermo-optic wavegui...

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Main Author:	Mohd. Shafie, Shafini
Format:	Thesis
Language:	English
Published:	2006
Subjects:	Unspecified
Online Access:	http://eprints.utm.my/id/eprint/35127/1/ShafiniMohdShafieMFKM2006.pdf
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id	my-utm-ep.35127
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spelling	my-utm-ep.351272021-07-14T02:58:20Z Investigation of temperature prolife in the waveguide 2006 Mohd. Shafie, Shafini Unspecified The demand for data traffic has initiated the development of optical telecommunications. Due to explosive growth of optical network, has brought forward an increased need for guided-wave optical component. The purpose of this work is to investigate the temperature profile in the thermo-optic waveguide. Here, we use one and two dimensional model to analyze the thermal model. We focus on polymer waveguide since these technology is attractive for many advantages, including large thermo-optic coefficient (for Polyurethane (PUR): dn/dt ~ -3.3-4 K-1) and low thermal conductivity ( ~ 0.19 W m-1 K-1). The buried and rib waveguide structure is used for two dimensional model thermal analysis. We interested to see how heating the heater will change the refractive index and change the profile in the waveguide. Thermal coupling became next task of this project. We analyze the effect of heater to the nearby waveguide. To perform this analysis, we utilized a commercial finite element method (FEMLAB 2.0), which is a tool for PDE-based multiphysics modelling in an interactive environment-MATLAB. The simulated result will use one and two dimensional model respectively. Effective index change is dependency of heater size as well as distance between core to the heater. Increasing 1µm of heater width will reduce -0.1 of dneff/dt it also increasing the power consumption. Thermal coupling is related to waveguide spacing and depth. The coupling estimation is increase with the waveguide depth but decrease with the waveguide spacing. Apply trench structure can reduce the thermal coupling estimation, K .The temperature of heated waveguide decreases as the trench depth increases, therefore it requires less power in performing its function. 2006 Thesis http://eprints.utm.my/id/eprint/35127/ http://eprints.utm.my/id/eprint/35127/1/ShafiniMohdShafieMFKM2006.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:60575?queryType=vitalDismax&query=+Investigation+of+temperature+prolife+in+the+waveguide+&public=true masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	Unspecified
spellingShingle	Unspecified Mohd. Shafie, Shafini Investigation of temperature prolife in the waveguide
description	The demand for data traffic has initiated the development of optical telecommunications. Due to explosive growth of optical network, has brought forward an increased need for guided-wave optical component. The purpose of this work is to investigate the temperature profile in the thermo-optic waveguide. Here, we use one and two dimensional model to analyze the thermal model. We focus on polymer waveguide since these technology is attractive for many advantages, including large thermo-optic coefficient (for Polyurethane (PUR): dn/dt ~ -3.3-4 K-1) and low thermal conductivity ( ~ 0.19 W m-1 K-1). The buried and rib waveguide structure is used for two dimensional model thermal analysis. We interested to see how heating the heater will change the refractive index and change the profile in the waveguide. Thermal coupling became next task of this project. We analyze the effect of heater to the nearby waveguide. To perform this analysis, we utilized a commercial finite element method (FEMLAB 2.0), which is a tool for PDE-based multiphysics modelling in an interactive environment-MATLAB. The simulated result will use one and two dimensional model respectively. Effective index change is dependency of heater size as well as distance between core to the heater. Increasing 1µm of heater width will reduce -0.1 of dneff/dt it also increasing the power consumption. Thermal coupling is related to waveguide spacing and depth. The coupling estimation is increase with the waveguide depth but decrease with the waveguide spacing. Apply trench structure can reduce the thermal coupling estimation, K .The temperature of heated waveguide decreases as the trench depth increases, therefore it requires less power in performing its function.
format	Thesis
qualification_level	Master's degree
author	Mohd. Shafie, Shafini
author_facet	Mohd. Shafie, Shafini
author_sort	Mohd. Shafie, Shafini
title	Investigation of temperature prolife in the waveguide
title_short	Investigation of temperature prolife in the waveguide
title_full	Investigation of temperature prolife in the waveguide
title_fullStr	Investigation of temperature prolife in the waveguide
title_full_unstemmed	Investigation of temperature prolife in the waveguide
title_sort	investigation of temperature prolife in the waveguide
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2006
url	http://eprints.utm.my/id/eprint/35127/1/ShafiniMohdShafieMFKM2006.pdf
_version_	1747816337310220288

Investigation of temperature prolife in the waveguide

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