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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 22 for “"Nanocavity"”.
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Absorption enhancement of plasmonic thin film solar cell combined with nanocavity
… cell with the combination of nanoparticle and nanocavity. Positioning gold nanoparticle in plasmonic thin film solar cell was demonstrated in various positions and nanoparticle near the surface has shown to be trapping more light. Semi-ellipse which used as nanocavity shape created an especial …
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Design and fabrication of an electrically-activated photonic crystal nanocavity laser
… of an electrically-activated photonic crystal nanocavity laser using an active layer with quantum dots. Hydrogen silsesquioxane (HSQ) was studied as an electron-beam lithography resist, and reactive ion etching of AlGaAs and InGaAlP was investigated. The laser described herein is very small, …
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Fabrication and Characterization of Electrically Injected Photonic Crystal Light Emitters
… The design parameters of the photonic crystal nanocavity structure are determined by computing the photonic band gap and cavity resonant modes. Secondary ion mass spectrometry analysis is used to assist the development of an epitaxial structure in the InGaAs/GaAs material system for electrical …
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Control of Optical Processes in Diamond using Plasmonic Nanogap Cavities
… a robust mechanism for actively tuning the nanocavity absorption resonance by integrating sub-10-nm films of the phase-change material vanadium dioxide. This platform opens up opportunities for on-chip quantum networks and nanoscale sensors based on nanocavity-coupled SiVs with the potential …
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Ultrafast Raman Scattering in Plasmonic Nanocavities
… vibrations of 1-1000 molecules in a plasmonic nanocavity when driven by picosecond pulsed lasers out of the linear regime. This unravels new non-linear effects such as room-temperature vibrational pumping, giant optomechanical spring shifts, collective molecular vibrations, accelerated decay of …
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Enhanced Light-Matter Interactions in Complex Photonic Systems
… photonic designs. We design an ultrasmall nanocavity hybridizing two distinct materials — a high-index dielectric encapsulated by the low-loss metal, demonstrating record-high Purcell enhancement. The proposed hybridized nanocavity is expected to enhance quantum emission and strong coupling …
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Novel nanolasers, nano-LEDs, and modal cutoff confinement light emitters
Semiconductor metal nanocavity lasers and light emitting diodes together with novel modal cutoff confinement light emitters are investigated for optical interconnection application in future dense photonic integrated circuits. Several different cavity structures are designed, processed, and …
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Plasmonic nanostructures and metamaterials for nanoscale light-matter interaction
… a plasmonic nanolaser incorporating a plasmonic nanocavity and a monolayer of transition metal dichalcogenide is developed.
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Protocols and Devices for Scalable Spin-Photon Quantum Networks
… with heterogeneously integrated emitter-nanocavity systems for faithfully transferring photonic qubits onto diamond color centers. This hybrid platform offers arbitrary photonic routing, phase stability, and reconfigurability to achieve high-fidelity and high-efficiency local and remote …
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Metal-cavity surface-emitting nanolasers
… energy can be well-confined inside the metal nanocavity. Flip-bonding the device to a silicon substrate with a conductive metal provides efficient heat removal. Several excellent performance characteristics have been observed such as ultra-narrow linewidth, low thermal impedance, and circular …
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Development of Original and Notable Techniques for Protein Analysis, Native Identification, and Characterisation
… of the residence time distribution within a nanocavity trap. The explanation is based only on a random walk assumption without requesting potential interactions. The fifth chapter describes a new method to size particles in solution based on interferometry scattering microscopy by looking at …
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Nanophotonic Optomechanical Devices for Torque Magnetometry
… fields. This marks the first time were a nanocavity optomechanical sensor is applied to a nanoscale condensed matter system. This cavity optomechanics platform enabled torque magnetometry measurements to be performed with sufficient sensitivity for detection of Barkhausen features that …
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Interaction of Light and Conjugated Polymers in Plasmonic Nanogaps
… of the physics underlying the polymer-plasmonic nanocavity interface. Further analysis revealed that the reversed color switching under DF corresponds to the optical anisotropy and orientation of polymer chains near metallic interfaces, offering a novel approach to study material interfaces. …
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Development of nanoplasmonic devices for biosensing applications
… plasmonic nanocup array without any multilayered nanocavity structure, and 100 ng/mL for a commercialized conventional surface plasmon resonance sensor. Therefore, this new type of plasmonic sensor makes relevant limits of detection possible for cancer biomarker proteins. Several different …
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Diamond nanophotonic devices for quantum information processing and sensing
… lithography with RIE. Chapter 5 demonstrate NV-nanocavity systems in the strong Purcell regime with consistently high Q factors while preserving the long spin coherence times of NVs. These systems enable coherent spin control of cavity-coupled semiconductor qubits with coherence times exceeding …
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Materials with engineered mesoporosity for programmed mass transport
… on inspiration from the λ-bacteriophage. The nanocavity system was synthesized using two template length scales: 250 nm and 1.2 μm. Fabrication challenges that arose when using 1.2 μm colloidal templates were addressed, and the system was optimized for confinement studies of plasmid dsDNA.
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Lasing From Single Film-Coupled Nanoparticles
<p>Plasmonic nanostructures and metamaterials have found many applications as small-scale sources of controllable emission. Of particular interest is utilizing these types of structures as potential coherent radiation sources. Plasmonic Film-coupled Nanoparticles(FCNP), or nanopatch antennas, are …
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DNA nanotechnology for light-emitting plasmonic applications
DNA nanotechnology for light-emitting plasmonic applications - Sara Rocchetti. The development of plasmonic nanocavities allows for the direct observation of light-matter interactions at the nanoscale. Collective oscillations of electrons (SPPs) at a metal-dielectric interface confine light into …
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