Optical tweezer induced by microring resonator

Optical tweezer technique for molecular trapping is becoming of increasing importance for numerous biological applications. The main objective of this study was to investigate the dynamical behavior of the optical tweezers signals in microring resonators (MRR). Operating system consists of modified...

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Main Author:	Abd. Aziz, Muhammad Safwan
Format:	Thesis
Language:	English
Published:	2013
Subjects:	QC Physics
Online Access:	http://eprints.utm.my/id/eprint/38859/5/MuhammadSafwanAbdAzizPFS2013.pdf
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spelling	my-utm-ep.388592017-07-05T01:46:12Z Optical tweezer induced by microring resonator 2013-07 Abd. Aziz, Muhammad Safwan QC Physics Optical tweezer technique for molecular trapping is becoming of increasing importance for numerous biological applications. The main objective of this study was to investigate the dynamical behavior of the optical tweezers signals in microring resonators (MRR). Operating system consists of modified nonlinear adddrop optical filter made of InGaAsP/InP integrated together with a series of nonlinear nanoring resonators. This particular form is known as a PANDA ring resonator. Different models of operating system were designed and optical transfer functions for each model were derived by using Z-transform method. Simulation results were obtained from MATLAB2010a program by using parameters of practical devices. Input signals in the form of dark soliton were generated at center wavelength 1.5 µm with peak intensity 1 W/?m2 and pulse width 50 ps. Radii of rings were set to be R=34 µm, R1=60 nm, R2=60 nm, R3=50 nm and R4=50 nm respectively. Coupling coefficients of the system were chosen to be ?1=0.15, ?2=0.65, ?3=0.5, ?4=0.5, ?5=0.5 and ?6=0.50. Intense output signals in the form of potential well are generated at the intensity of 219.14 W/?m2 and FWHM around 20 nm. Simulated results shows an optical force of 15.83 fN generated from intensity gradient associated with the output signal are calculated for particle of diameter 20 nm. Stiffness at the center of the trap was recorded at 2.23 fN nm-1. This study shows that the model was able to control the dynamical behavior of optical tweezers. Analytical formulation of such system provides the underlying physics of dynamic optical tweezers generation within MRR. 2013-07 Thesis http://eprints.utm.my/id/eprint/38859/ http://eprints.utm.my/id/eprint/38859/5/MuhammadSafwanAbdAzizPFS2013.pdf application/pdf en public phd doctoral Universiti Teknologi Malaysia, Faculty of Science Faculty of Science
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	QC Physics
spellingShingle	QC Physics Abd. Aziz, Muhammad Safwan Optical tweezer induced by microring resonator
description	Optical tweezer technique for molecular trapping is becoming of increasing importance for numerous biological applications. The main objective of this study was to investigate the dynamical behavior of the optical tweezers signals in microring resonators (MRR). Operating system consists of modified nonlinear adddrop optical filter made of InGaAsP/InP integrated together with a series of nonlinear nanoring resonators. This particular form is known as a PANDA ring resonator. Different models of operating system were designed and optical transfer functions for each model were derived by using Z-transform method. Simulation results were obtained from MATLAB2010a program by using parameters of practical devices. Input signals in the form of dark soliton were generated at center wavelength 1.5 µm with peak intensity 1 W/?m2 and pulse width 50 ps. Radii of rings were set to be R=34 µm, R1=60 nm, R2=60 nm, R3=50 nm and R4=50 nm respectively. Coupling coefficients of the system were chosen to be ?1=0.15, ?2=0.65, ?3=0.5, ?4=0.5, ?5=0.5 and ?6=0.50. Intense output signals in the form of potential well are generated at the intensity of 219.14 W/?m2 and FWHM around 20 nm. Simulated results shows an optical force of 15.83 fN generated from intensity gradient associated with the output signal are calculated for particle of diameter 20 nm. Stiffness at the center of the trap was recorded at 2.23 fN nm-1. This study shows that the model was able to control the dynamical behavior of optical tweezers. Analytical formulation of such system provides the underlying physics of dynamic optical tweezers generation within MRR.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Abd. Aziz, Muhammad Safwan
author_facet	Abd. Aziz, Muhammad Safwan
author_sort	Abd. Aziz, Muhammad Safwan
title	Optical tweezer induced by microring resonator
title_short	Optical tweezer induced by microring resonator
title_full	Optical tweezer induced by microring resonator
title_fullStr	Optical tweezer induced by microring resonator
title_full_unstemmed	Optical tweezer induced by microring resonator
title_sort	optical tweezer induced by microring resonator
granting_institution	Universiti Teknologi Malaysia, Faculty of Science
granting_department	Faculty of Science
publishDate	2013
url	http://eprints.utm.my/id/eprint/38859/5/MuhammadSafwanAbdAzizPFS2013.pdf
_version_	1747816530933972992

Optical tweezer induced by microring resonator

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