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 31 for “"Optical cavities"”.
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The beam modes of general optical cavities
… for the numerical study of semiconductor laser cavities.
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Applications of long storage time optical cavities
Optical precision measurements have become one of the most important tools in physics to test the fundamental laws and to probe the universe around us. Often such experiments require high finesse cavities, and optical loss in these cavities is a critical parameter. In particular, for those cavities …
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Integrated chips and optical cavities for trapped ion quantum information processing
Quantum information processing is a new and exciting field which uses quantum mechanical systems to perform information processing. At the heart of the excitement are quantum computation - which promises efficient algorithms for simulating physical systems, factoring, and searching unsorted …
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Unified treatment of light-induced effects for atomic ensemble in optical cavities
… realistically treat atomic ensembles inside an optical cavity and use these atoms to sense quantum signals. In particular, the limitation of using uncorrelated atoms for metrology is set by the standard quantum limit (SQL) which scales as 1 [square root of N where N is the atom number. The …
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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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Stable and unstable resonators within Fabry-Pérot optical cavities containing microlenses: laser arrays, low-coherence imaging, and fractal laser modes
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-05-01
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Selective oxidation of aluminum-bearing III-V semiconductors: Properties and applications to small-volume quantum well heterostructure lasers
… refractive index making it useful for defining optical cavities and current paths. The oxidation rate is sensitive to the Al composition of the material, permitting selective oxidation of ""buried"" high-Al-composition layers."
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Continuous detuning of an optical cavity with a Universally Tunable Modulator
It is currently well-known how to lock an optical cavity on resonance using the Pound- Drever-Hall technique. It is also possible to lock a cavity at a single detuned length using an amplitude modulated laser beam. However, there are many interesting applications, that would benefit from the use of …
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Angular trapping of a mirror using radiation pressure
… angular instability in Fabry-</p> <p>Perot cavities (Sidles-Sigg instability). In this thesis, I present optical springs as a</p> <p>tool to damp the motion of a mirror. I discuss the design and implementation of a single</p> <p>degree-of-freedom optical spring system and the importance of …
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Design, Fabrication, and Characterization of a MEMS Based Thermally Actuated Fabry-Pérot Interferometer.
… area of MEMS research is in creating micro optical cavities that allow for manipulation and control of atoms in QED research. This thesis describes a MEMS based thermally actuated Fabry-Pérot cavity interferometer that has potential as a displacement sensing mechanism for use in …
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MEMS enabled Fabry-Perot cavity for cQED experiments
… in atomic physics is the realization of optical cavities which is a very attractive model for quantum information and communication, because it permits the study of light-matter effect. The important exigency of an integrated micro cavity consisting of a micro mirror and a fiber optics …
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Design of Efficient Acoustic Interfaces for Quantum Emitters in Diamond
… quantum networking and computing due to their optically active transitions that interface on-chip systems with flying photons as well as their long-lived spin transitions that function as quantum memories. These advantages motivate the development of quantum emitter interfaces that can allow …
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Long-distance quantum communication with neutral atoms
… based on single trapped atoms in high-finesse optical cavities-and analytically evaluate how efficiently they can be loaded with (entangled) quantum states.
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Surface-emitting lasers for communications: novel metal-cavity microlasers and high-contrast-grating tunable VCSELs
… design of novel micro and nanolasers using metal cavities for optical confinement is discussed. Theoretical modeling of quantum-well and quantum-dot emission properties, as well as experimental characterization of their coupling with optical cavities, are presented. Lasing behavior of our designed …
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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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ADPATIVE MODE MATCHING UPGRADE FOR ADVANCED LIGO
… reducing technologies that are sensitive to optical losses generated by optical cavity mode mismatch. Optical losses due to mode mismatched Fabry-P´erot optical cavities can be reduced by the use of adaptive optics, wavefront sensors, and feedback control loops. Advanced LIGO currently uses …
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Spectral properties and modes of surface microcavities
… mode structure of nearly hemispherical microcavities. The nearly hemispherical microcavity structures are fabricated electrocemically through a template of self assembled latex spheres. Controlling the electrochemical parameters, such as the electrochemical solution and electrode potential. …
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Stochastic dynamics and fluctuation theorems in Brownian, feedback-controlled, and optical cavity systems
… relations. Furthermore, fluctuation theorems in optical cavity dynamics are examined. In particular, fluctuation theorems are derived for quantities analogous to total entropy production, housekeeping heat, and non-autonomous work in coherently driven nonlinear optical cavity systems. In the …
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Optomechanical Spin-Photon Interface in Wide-Bandgap Materials
… by integrating mechanical resonators with an optical cavity. Device engineering can maximize cooperativity, which describes the probability of coherent interaction between photon and phonon fields. Furthermore, optomechanical cooperativity can be parametrically enhanced by the intracavity …
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Interface-Governed Optical Properties of Van der Waals Heterostructures
… to design materials with novel electronic and optical properties. To design vdW heterostructures with desirable functionalities, proper interfacial engineering is essential as vdW interfaces between the layers govern the physical properties of the entire structure. In this thesis, I investigate …
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