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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 26 for “"Optical resonators"”.
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Sub-Optical Resonators With Grating Mirrors
Made available in DSpace on 2014-12-08T22:24:37Z (GMT). No. of bitstreams: 1 7000882.pdf: 1595756 bytes, checksum: 9fb41fa5e6a846aa646228bf8fcf012d (MD5) Previous issue date: 1969
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Atom-field interaction in optical resonators
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1997.
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Strong-field physics with ultrafast optical resonators
… phenomena unique to strong-fields by using optical resonators to passively enhance ultrafast laser pulses. We pursue two major themes in the area of ultrafast resonator-enhanced strong-field physics. First, we use plasmonic nanoparticles as nano-optical resonators to explore strong-field …
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Embedded Sensing System for Whispering-Gallery-Mode Optical Resonators
Whispering-gallery-mode (WGM) optical resonators in which light is confined by total internal reflection have found broad applications ranging from optical communications, microlasers, sensing, opto-mechanics to quantum optics. However, overcoming obstacles of practical applications for WGM …
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Optical Resonators and Fiber Tapers as Transducers for Detection of Nanoparticles and Bio-Molecules
… aspired many researchers to investigate several optical, chemical, electrical and mechanical sensing tools. Among these tools, toroidal optical resonators lead the way in detection of the smallest particle/molecule with the real time measurements. In this work, bio-sensing capabilities of …
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Stimulated emission from biological materials and novel optical resonators for diagnostic and imaging applications
The first detailed optical characterization of any biological laser, providing spectral, temporal, threshold, and polarization characteristics for the flavin mononucleotide biomolecular laser, is presented here. In addition, our investigation of natural, bio-engineered, and complex biological laser …
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Precision Tuning of Silicon Nanophotonic Devices through Post-Fabrication Processes
… processes. These devices include numerous optical resonator designs as well as slow-light waveguides. Optical resonators are used to confine photons both spatially and temporally. In recent years, there has been much research, both theoretical and experimental, into improving the design of …
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Cavity coupled photonic crystal enhanced fluorescence for high sensitivity biomarker detection
… of biomarkers in samples, the use of dielectric optical resonators has increased dramatically. These photonic crystals make fluorophores emit more light through a process called enhanced fluorescence which in turn allows for more signal to be collected due to these biomarkers. Advances in such …
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Optical Fiber Microstructures for Self-Contained Whispering Gallery Mode Excitation
Optical resonators, which confine light by resonant recirculation, serve as the basis for a wide variety of optical components. Though they appear in many geometric forms, the most effective of optical resonators show axial symmetry in at least one dimension. A popular variation that finds broad …
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Zinc oxide nanophotonics : toward quantum photonic technologies
… to develop single photon sources (SPSs) and optical resonators in new class of materials. In particular, SPSs are required for a wide range of applications in quantum information science, quantum cryptography, and quantum communications. ZnO has been investigated for classical light emitting …
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Programmable Interactions between Optical Fields and Atom-like Systems in Integrated Circuits
… and scalability of three types of optical interactions. More specifically, we explore the use of programmable multimode interference as a means for unitary transformations onto a set of optical spatial modes, optical resonators for high-extinction coherent modulators driven by RF …
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Accurate nanofabrication techniques for high-index-contrast microphotonic devices
… for sharp waveguide bends and small dielectric optical resonators. They allow dense optical integration and unique applications to optical filters and sensors but present exceptional complications in design and fabrication. In this work, nanofabrication techniques are developed to address the …
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Optics-Based Quantum Information and Sensing Platforms Utilizing the Nitrogen-Vacancy Center in Diamond
… forming a localized-electron system with unique optical and spin properties. In particular, optical control and read-out of the spin state, combined with long spin coherence times, make it an attractive candidate for both high-sensitivity magnetometry and as a solid-state spin qubit for quantum …
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Design, fabrication, and characterization of a lithium niobate optomechanical photodetector based on released whispering-gallery-mode microdisk resonators
… material that also exhibits promising optical characteristics such as low optical loss and high electro-optic coefficient, making it an interesting choice for Radio Frequency (RF) micro-opto-electro-mechanical systems (MOEMS) and devices, electro-optical modulators and tunable filters, …
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MICROSCOPIC SURFACE ELECTROCHEMICAL ACTUATORS FOR VOLTAGE-TUNABLE OPTICAL ELEMENTS
Voltage controllable optical resonators (VCOR) are critical to the world of photonics, theyallow dynamic tuning of the amplitude and phase of light via electric modulation of two semi reflective plates. Here, I present a novel application of a voltage-driven micro actuator technology, the surface …
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Quantum simulation and out-of-equilibrium dynamics of quantum gases in optical cavities
Ultracold atomic gases loaded into optical cavities constitute one of the most versatile platforms for the study of out-of-equilibrium dynamics and quantum simulation of many- body systems. In this thesis, we explore these two possibilities, motivated by current state-of-the-art atom-cavity …
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Mirror-Coupled Nanoantennas with Hexagonal-Boron Nitride Spacers
… materials are employed in a wide range of optical resonators. Combining plasmonic nanoantennas with such resonators enables the formation of nanoscale optical resonances. The novel nano-optics observed by combining these heterostructures with optically active media is laying the foundations …
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Feasibility studies for quantum computation with spectral hole burning media
… transfer by using extremely high-finesse optical resonators and by reducing the cavity mode volume. The latter is achieved by either reducing the total cavity volume as with a microcavity, or by tightly focusing the mode to a small active volume as with a near-concentric cavity. I consider …
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Chalcogenide glass materials for integrated infrared photonics
… their compositional flexibility allows tuning of optical properties such as refractive index making them ideal for infrared photonics. We have studied the material attenuation in ChGs that arises due to the presence of impurities in the raw materials and established UV photolithography-based …
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Dynamic Acoustic Control of Semiconductor Quantum Dot-Based Devices for Quantum Light Generation
… confined to the surface of a substrate, on the optical properties of quantum dots. In particular, we exploit the dynamic acoustically-induced tuning of the emission energy to modulate the Purcell effect in a pillar microcavity. Under resonant optical excitation we demonstrate the conversion of …
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