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Study on Optical Characteristics and Fast and Slow Light of Coupled Microcavity Resonators

Author: XuLiJuan
Tutor: LuYing
School: Tianjin University
Course: Physical Electronics
Keywords: coupled microcavity resonators fast light slow light group velocity
CLC: TN256
Type: Master's thesis
Year: 2007
Downloads: 185
Quote: 0
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Coupled microcavity resonators referred recently has important scientific significance and practical application because of realizable micro control of light, quantum effect of several atomic systems, easily integrated in chip. Coupled microcavity resonators can change the input wavelength by changing the parameter of resonators; can control the propagation of slow light or fast light in room temperature, so there is potential advantage in practical application to create slow light and fast light by using coupled microcavity resonator. In this dissertation, optical characteristic and fast light and slow light of coupled microcavity resonators are studied, which is based on the particular introduction of basic information of coupled microcavity resonators and fast light and slow light. The main content and innovation are:1. The basic information of coupled microcavity resonators and slow light and fast light are introduced. The development of fast light and slow light in China and abroad is presented. The application and the development of coupled microcavity resonators are also introduced.2. The research methods of coupled microcavity resonators, techniques for creating fast and slow light and the basic theory of fast and slow light.3. Creating fast and slow light of semi-infinite microring CROW is also analyzed using iterative approach. Waveguide modes; dispersive pulse propagation and second-harmonic generation (SHG) of CROW are introduced.4. The pulse of propagation of coupled microcavity resonators is analyzed by matrix method. The condition for creating fast and slow light of two rings is concluded.5. We present a theoretical study on resonance control in a double-microcavity resonator system coupled to a waveguide with gain in one microresonator and loss in the other. We demonstrate the variation of the output spectra in the waveguide from initial double-wavelength-wide symmetric resonance to double-wavelength sharper asymmetric Fano profiles when gain is introduced in one of the two microresonators, as well as the inversion of the Fano resonance pattern when gain is introduced in the other microresonator. We also investigate the enhanced coupled resonator induced transparency effect in such a system.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Optical waveguide and integrated optics > Integrated optical devices
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