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Showing 1 to 15 of 15 for “"Microresonator"”.
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Multimode Microresonator Optical Frequency Combs
… and theoretical investigation of multi-mode microresonator optical frequency combs. Experimentally, we drive a single microresonator with multiple independent lasers to observe the scattering of a probe field from a soliton frequency comb, as well as study the excitation and control of …
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Ultra-high-Q Microresonator with Applications towards Single Nanoparticle Sensing
… here also pave the way for using active lasing microresonators as particle sensors, in which mode splitting serves as the origin of the radio frequency beatnote in the laser which indicates the binding of nanoparticles. It also lays a solid ground for using microresonators for bio-molecule …
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Development and implementation of a microresonator impactor for atmospheric particulate sensing
… offers a potential alternative by implementing microresonators as mass sensors. MEMS resonators have high mass sensitivities and have recently seen implementation as particulate matter (PM) monitors. The field of MEMS PM instruments is still limited with a variety of implemented resonator …
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Materials characterization and transmission analysis in erbium-doped gallium nitride microresonator structures
… [mu]m 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 …
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REALIZATION OF TEMPERATURE COMPENSATED ALUMINUM NITRIDE MICRORESONATOR FILTERS WITH BANDWIDTHS BEYOND kt2 LIMIT
… on temperature compensated aluminum nitride microresonators that have fractional bandwidths exceeding the microresonator coupling coefficient, kt2, limit of 0.3%. A method is presented that offers the flexibility of using low Q reactive components to couple temperature compensated aluminum …
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A Photonic Quantum Sensor
… a quantum node comprising an atom and a microresonator. The electric field of the microresonator is simulated using the finite element method. An approximating analytical solution of the microresonator is proposed and compared to the finite element method simulation. Different …
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The taiji and infinity-loop microresonators: examples of non-hermitian photonic systems
… studies the characteristics of integrated microresonators (MRs) built by passive (no gain) and non-magnetic materials and characterized by both Hermitian and non-Hermitian Hamiltonians. In particular, I have studied three different microresonators: a typical Microring Resonator (MR), a …
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Magnetic resonance imaging contrast agents for chemical sensing
… (HEMA) hydrogel and used with the microresonator sensor previously developed in the Cima Lab. These sensors reversibly detected changes in pH in flowing liquid for up to three weeks, and detected the different pH of a tumor compared to control locations.
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Reference interferometry techniques for nanodetection and biosensing
… interferometer in parallel with an ultrahigh-Q microresonator for nanodetection of a record polystyrene particle size down to 12.5 nm radius are described. The first interferometry technique employed in this work sees the implementation of a Mach-Zehnder interferometer in parallel with a …
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Optical fibre-based minimally-invasive blood glucose monitoring system.
… process. This can be helpful when creating a microresonator with the lasing gain medium. The results of this study can be taken forward and extended to in vitro and in vivo studies with blood or blood substitute.
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Broadband terahertz photonics
… These devices operate on principles similar to microresonator-based frequency combs, and make use of the quantum cascade laser's fundamentally large nonlinearity to phase-lock the cavity modes. These devices will enable the development of ultra-compact dual comb spectrometers based on QCLs, and …
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Stimulated Brillouin scattering in an on-chip microdisk resonator
… available. An on-chip SBS-based optomechanical microresonator might be interesting since it will be more stable against vibration, and it will also demonstrate the potential for integration with other on-chip optical devices and the generation of resonantly enhanced SBS slow light on a chip. In …
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Chip Scale Integrated Optical Sensing Systems with Digital Microfluidic Systems
… microfluidic system. </p><p>Second, polymer microresonator sensors were explored. Polymer microresonators are useful components for chip scale integrated sensing because they can be integrated in a planar format using standard semiconductor manufacturing technologies. Therefore, as a second …
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Modeling of mechanical energy dissipation of low-dimensional resonators
… intrinsic dissipation in two-dimensional (2D) microresonators. The work aims to reveal the fundamental limit of dissipation and enable looking at the isolated effect of various parameters over a wide range, both of which are inaccessible in experiments. The damping of the flexural mode of a 2D …
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Parametric Frequency Comb Generation In Visible And Mid-Infrared Wavelengths With Integrated Silicon Nitride Ring Resonators
The field of silicon photonics allows manipulation of light at the chip-scale. Although the field has its roots in the telecommunications industry and its potential for low-power, high-bandwidth data transmission, the field has since expanded to a myriad of new applications, such as nonlinear …