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 10 of 10 for “"Electro-optic modulator"”.
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Swift Electro-Optic Modulator
… of photonic devices. SWIFT is comprised of an optical fiber, specifically a D-fiber in this work, embedded into a V-groove etched into a silicon wafer. This provides a method to secure the fiber and allows the use of standard semiconductor industry equipment and techniques in latter processing …
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High-speed silicon electro-optic modulator for electronic photonic integrated circuits
The development of future electronic-photonic integrated circuits (EPIC) based on silicon technology critically depends on the availability of CMOS-compatible high-speed modulators that enable the interaction of electronic and optical signals. This thesis investigates electrically driven …
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Wideband optical frequency comb generator using a phase velocity-matched lithium tantalate electro-optic modulator
A wideband optical frequency comb generator can be built using an electro-optic modulator that is driven at a frequency of several GHz and that is enclosed in an optical cavity. When light is circulated within the optical cavity, multiple passes through the modulator produce a spectrum centered at …
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Strain-engineered CMOS-compatible Ge photodetectors
… the integration of photodetectors with Si microelectronics, thus offering a low cost platform for high performance photoreceivers. This thesis demonstrates the first CMOS process compatible high-responsivity Ge p-i-n diodes for 1.55 [mu]m wavelengths. The thermal expansion mismatch between Ge …
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40Gbit/s dispersion managed soliton transmission
… of experimental and numerical simulations of optical transmission systems using dispersion managed transmission techniques. Theoretical background is given on the propagation of pulses in optical fibres before extending the arguments to optical solitons, their applications and uses in …
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Electro-optic polymer-based monolithic waveguide devices with multi-functions of amplification switching and modulation
Electro-optic (EO) polymer materials have become a promising option for high-performance integrated optics due to their high nonlinearity, small velocity mismatch for traveling wave devices, and flexible monolithic integrated capability on any interested substrates. Based on waveguides fabricated …
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Modification of glasses and optical waveguides using high electric fields
… content. Intrinsic third-order optical nonlinearity χ(3) up to thirty times higher than silica have been measured in bismuth-based compounds, and even larger values are potentially achievable.<br/><br/>In this thesis, a reliable procedure to induce large and stable second order …
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High-Speed Optical Modulators and Data Communication Systems in Silicon Photonics
… for various applications in the field of optical data communications. This thesis focuses on the technical challenges in silicon photonics on both the component and system levels. One of the most important components in optical transmitters is the electro-optic modulator. However, building …
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The development of high power, pulsed fiber laser systems and their applications
… lasers. With its broad gain bandwidth and high optical conversion efficiency, Yb-doped silica fiber represents an attractive medium for the generation and amplification of high energy ultrashort optical pulses. However, these potential advantages of Yb-doped silica fiber as a gain and nonlinear …