Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 29 for “"microring resonator"”.
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Vertical waveguide-coupled microring resonator: Design and simulation
… in calculating the coupling in micron-scale microring resonators. This method has been shown to give fast and accurate results in calculating the properties of in-plane coupling structures. We have adapted this algorithm to analyze the properties of a vertical coupling structure in detail. …
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Development of silicon photonic microring resonator biosensors for multiplexed cytokine assays and in vitro diagnostics
… laboratory of Ryan C. Bailey. Silicon photonic microring resonators, a class of high-Q optical sensors, represent a promising platform for rapid, multiparameter in vitro measurements. The original device design utilizes 32-ring arrays for real-time biomolecular sensing without fluorescent …
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Design, modelling and experimental characterization of complex photonic structure: from microring resonator to hybrid integrated tunable laser
L'abstract è presente nell'allegato / the abstract is in the attachment
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Material selection and nanofabrication techniques for electronic photonic integrated circuits
… operations. One such device is a bank of microring-resonator filters with precisely spaced resonant frequencies. In this work, a fabrication strategy based on scanning-electron-beam lithography (SEBL) is presented for precisely controlling the resonant frequency of microring-resonator …
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Expanding the toolbox for precision medicine with silicon photonic microring resonators and microfluidic technologies
… diagnostics. Most of the following work uses microring resonator arrays as the detection platform, a versatile silicon photonic biosensing technology. Chapter 1 reviews the applications of optical resonators in analytical chemistry. Microring resonators arrays are a class of whispering gallery …
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Silicon photonic microring resonators for the development of cancer protein biomarker assays
… presents the development of silicon photonic microring resonator technology in the Ryan Bailey research laboratory towards multiplexed cancer protein biomarker measurements. Microring resonator sensing technology relies upon changes in refractive index that induce a resonance shift in circular …
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Analysis of membrane systems using lipoprotein nanodiscs
… involving membrane systems, silicon photonic microring resonator biosensors provide a multiplexed platform for detecting interactions between soluble proteins and Nanodiscs. A novel direct physisorption strategy was developed to interface Nanodiscs with the silica surface. Implementation of a …
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Multiplexed protein biomarker analysis on silicon photonic microring resonators: translation towards clinical diagnostics
… on a platform based on silicon photonic microring resonator technology. This sensing technology has high potential for clinical diagnostics utility, as sensor chips of this platform can be cheaply manufactured through a highly scalable process. Moreover, continuous improvements in sensor …
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Semi-analytic simulations of microring resonators with scattering elements
… and numerical simulation results of a microring resonator with a scattering element inserted. The spectral reflection of the scattering element can be engineered to realize wavelength-selective reflection for the integrated microring. In particular, a Fabry-Perot element can be used to …
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Optical studies of photonic crystals and high index-contrast microphotonic circuits
… states. Studies of both static and dynamic microring resonator based HIC filters are described. Numerous microring based studies are reported which lead to frequency-compensated multi-ring filters, permitting the first high-fidelity microring filters in HIC microphotonics.
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Towards integrated silicon photonic architectures for quantum information processing
… feedback control protocol for stabilizing microring resonator frequencies in parallel with quantum computation using the same classical pump laser fields as are used to seed photon generation. The feedback protocol is applied to correct static and dynamic errors in silicon microring …
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Toward an active CMOS electronics-photonics platform based on subwavelength structured devices
… optical links, employing highly sensitive microring resonator devices that demand electronic feedback and control due to fabrication variations. Achieving the full potential of both technologies requires tight integration to realize the ultimate benefits of both realms of technology, …
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Hybrid mode coupling for enhanced sensing and integrated photonics
… To address these limitations, we engineered a microring resonator-based sensor coupled to two gold concentric rings determined computationally. We report changes in the refractive index of the bulk medium and bio-monolayer at the corresponding sensitivities: 1340 nm/RIU and 105.3 fm/RIU for …
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Surface modification of silicon photonic microring resonators for chemical sensing
Silicon photonic microring resonators have emerged as a promising technology for the sensitive detection of biological macromolecules, including proteins and nucleic acids. These bulk property detectors rely on the changes in the effective refractive index of the sensing region, eliminating the …
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Micro-opto-mechanical switching and tuning for integrated optical systems
… switch. This switch operates by combining a microring resonator filter with a microelectromechanical system (MEMS) device that allows the normally static ring resonator filter to be switched on and off. This represents the first demonstration of a wavelength-selective integrated optical MEMS …
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Selective mode coupling in microring resonators for single mode semiconductor lasers
… based on the coupling of degenerate modes of a microring resonator, and investigation of the possibility of using them for improving the performance of laser diodes. In particular, we demonstrate a new type of compact, narrowband, on-chip reflector realized by selectively coupling degenerate …
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Particle-enhanced biomolecule detection using silicon photonic microring resonators
… a detection platform based on silicon photonic microring resonators which is capable of making sensitive measurements of proteins, as well as other biomolecules, in complex matrices. The following chapters present the work I have completed towards the development of particle-based detection …
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Multi-layer, Low-crosstalk Integrated Optical Switches
… Two distinct implementations: a thermo-optic microring resonator (MRR)-based 8×8 switch and an electro-optic microdisk switch are demonstrated, both leveraging the tri-layer platform to achieve >70 GHz bandwidth and sub-microsecond to nanosecond switching speeds. The thermo-optic device …
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Materials characterization and transmission analysis in erbium-doped gallium nitride microresonator structures
… luminescence, but to integrate GaN:Er into microresonator devices it is necessary to grow a good quality GaN:Er film on an amorphous substrate. This thesis examines the optical properties and morphology of GaN:Er layers grown on Si₃N₄ and SiO₂ substrates, and evaluates two microresonator devices …
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The development of new sensing methodologies for nucleic acids using arrays of silicon photonic microring resonators
… platform based on arrays of silicon photonic microring resonators that is highly amenable for the quantitative, multiplexed detection of nucleic acids, in particular, miRNAs. We begin by demonstrating a label-free method for the quantitative, multiplexed detection of miRNAs. We further extend …
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