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 “"Photonic integrated circuit"”.
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A Universal Heterostructure for Photonic Integrated Circuit Applications
… technology for the fabrication of integrated waveguide photonic circuits are investigated using an optical 2 x 2 crossbar switch as a case study. The optical characteristics of slab waveguides are investigated as candidate "universal" structures. Different core profiles, core sizes, …
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An Electronic Control Architecture for a Photonic Integrated Circuit
… enabling technologies for quantum computing is photonics, that features photons as the quantum actors "interacting" in a PIC, mostly based on the mature silicon technology of electronics. This thesis presents my work on electronic control architecture for PICs. The work is based on PICs …
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Photonic Integrated Circuit Packaging Using Silicon Based Optical Interconnects
… in the effort to seamlessly integrate silicon photonic devices - a technology capable of handling high data rates for next generation data center telecom applications. In this thesis, novel silicon based optical couplers capable of low loss, robust connections from an optical fiber to a …
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Photonic integrated circuit for the manipulation of coherent optical combs
Photonic integration has become an important research topic in research for applications in the telecommunications industry. Current optical internet infrastructure has reached capacity with current generation dense wavelength division multiplexing (DWDM) systems fully occupying the low absorption …
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Design and characterization of a universal heterostructure for photonic integrated circuit applications
… Heterostructure as the foundation on which many photonic integrated circuits can be fabricated was the goal of this research. This is achieved by improving the functionality of a laser heterostructure for performing the many necessary functions of opto-electronic integrated circuits. This single …
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Photonic quantum computers and communication systems
… There has been growing interest in photonic implementations of quantum processors as they offer relatively long coherence lengths, precise state manipulation, and efficient measurement. In this thesis, we first present experimental techniques to generate on-chip, photonic quantum …
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Protocols and Devices for Scalable Spin-Photon Quantum Networks
… To address these challenges, we propose a photonic integrated circuit architecture 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 …
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Erbium-ytterbium-yttrium compounds for light emission at 1.54[mu]m
Silicon microphotonics has emerged as the leading technology to overcome the interconnect bottleneck that limits a further increase of computation power following Moore's law. Optical interconnects between different electronic microprocessors in an electronic-photonic integrated circuit (EPIC) can …
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A scalable quantum computation platform : solid state quantum memories coupled to photonic integrated circuits
… immutable - connectivity. Here we demonstrate an integrated platform for solid state quantum information processing. Pre-characterized solid state quantum nodes (nitrogen vacancy centers in diamond nanophotonic structures) are placed into a photonic integrated circuit which allows for low-loss and …
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GeSi photodetectors and electro-absorption modulators for Si electronic-photonic integrated circuits
The silicon electronic-photonic integrated circuit (EPIC) has emerged as a promising technology to break through the interconnect bottlenecks in telecommunications and on-chip interconnects. High performance photonic modulators and photodetectors compatible with Si complimentary metal oxide …
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Large-scale programmable silicon photonics for quantum and classical machine learning
Photonic technologies provide many unique physical advantages including ultra-high bandwidths, energy-efficient operations, and low coupling to environmental noise. Furthermore, recent advances in foundry-based manufacturing platforms have enabled the emerging field of integrated systems photonics. …
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Shaping light-matter interactions for free-electron radiation and photonic computing
Nanophotonics has become over the past decades a paramount technology, enabling, among other things, the design of novel light sources, detectors, and devices controlling the polarization, spectral, and angular distribution of light. A landmark of nanophotonics is the design of nanostructured …
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Photonic crystal emitters in heterogeneously bonded membranes
Photonic crystal (PhC) membrane lasers are good candidates for future photonic integrated circuit applications, including chip-to-chip and on-chip optical interconnects. This is due to their small size, lithographically tunable emission wavelength, and potential for low power operation. In order to …
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Building efficient light-matter interfaces for quantum systems
… design, fabrication, and utilization of novel photonic structures and systems to achieve potentially world-record photon collection from quantum dots. This technique can also be applied to NVs in diamond in the near future. Also, the NV- charged state has second-scale coherence times at room …
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High-speed modulation of semiconductor lasers and properties of silver-coated quantum-dot lasers
… optical interconnect and optical transmitter photonic integrated circuit applications, requiring large integration density of devices and minimal cross-talk between channels. To attain large integration density, there is also a desire for high-speed lasers that have a large direct modulation …
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Multi-Channel Nonlinear Frequency Division Multiplexed Optical Transmission Systems
… distance of 800 km. In addition, concrete photonic integrated circuit-based realizations are proposed for the practical implementation of the concept.
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Optical comb injection for optical demultiplexing and harmonic frequency locking
… for use in future communication networks. Photonic integrated circuits integrate several components together on a single semiconductor chip. These photonic circuits reduce both the cost and power consumption of devices, and hence recent research has been focused on creating suitable on-chip …
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Scalable Packaging and Integration Solutions for Next-Generation Photonic Systems
… computation has propelled the rapid growth of integrated photonics, with commercial products starting to reach global markets in recent years. Nevertheless, integrated photonics still lacks the scale required to meet market demands and falls short of the performance targets necessary for many …
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Heterogeneous integration of two-dimensional materials for on-chip optical interconnects
… a simple approach to construct heterogeneous photonic architectures, which is currently challenging for silicon-based photonics integrated with germanium and III-V semiconductors due to mismatched lattice constants and thermal properties. In addition, the entire family of 2D materials can …
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Development of an optical nor gate transistor laser integrated circuit
… of waveguide structures, a transistor laser integrated circuit is well suited for monolithic logic processing using on-chip optical interconnects. Although there are still many challenges to overcome both on the device level and the integration level, a transistor laser integrated circuit can …
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