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 6 of 6 for “"integrated modulator"”.
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Ge and GeSi electroabsorption modulator arrays via strain and composition engineering
Electronic and photonic integrated circuits serve as a promising platform for telecommunications and sensing applications. Electroabsorption modulators allow fast modulation, small device footprint, and low power consumption. Epitaxially grown GeSi films on SOI substrates are a suitable materials …
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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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High-speed modulation of resonant CMOS photonic modulators in deep-submicron CMOS
… entering the diode structure of a photonic modulator are investigated to achieve high energy efficiency in a constrained monolithic process. Two digital modulator topologies are simulated, fabricated and tested. One circuit topology, intended to drive a carrier-injection-based ring …
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Visible and ultraviolet integrated photonics for addressing atomic systems
In the wake of many technological successes in integrated photonics based on silicon, attention has been given to applications in the visible light regime. This thesis is concerned with furthering the development of integrated photonics for controlling atomic systems, in particular individual …
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Germanium-rich silicon-germanium materials for field-effect modular application
… in the materials capable of monolithically integrated on silicon (Si) substrates offer the possibility of high-speed modulation in a pico second timeframe as well as low power consumption, key requirements for integrated modulator applications. This thesis presents a study of the …
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Quantum well devices fabricated using selective area growth and their application in optical fiber communication
… area growth (SAG) approach to manufacturing integrated quantum-well lasers and modulators. SAG can be successfully achieved with two major growth techniques: metalorganic chemical vapor deposition (MOCVD) and molecular beam epitaxy (MBE). We will put more weight on SAG with MOCVD growth …