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 “"integrated waveguides"”.
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Development of waveguide filter structures for wireless and satellite communications
… of compact conventional and substrate integrated waveguide structures with improved performance taking advantage of recent cross-coupled resonator filters theory achievements such as the modular filter design approach using non-resonating nodes and inline extracted pole filters. …
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Feedback loop design and experimental testing for integrated optics with micro-mechanical tuning
… modified slightly to be used in testing of other integrated optoelectronic devices. The procedure for aligning lensed fibers to integrated waveguides and optimizing light throughput is described, and some test device values are presented.
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On the feasibility of integrated optical waveguide-based in situ monitoring of microelectromechanical systems (MEMS)
… dissertation explores the feasibility of using integrated optical waveguides to measure the motion of microelectromechanical structures (MEMS). MEMS are a class of silicon devices which are being developed as sensors and actuators. Because these free moving structures are fabricated using …
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Monolithic electronic-photonic integration in state-of-the-art CMOS processes
… electronic CMOS processes to fabricate integrated photonics by: modifying designs to match the existing process; preparing a design-rule compliant layout within industry-standard CAD tools; and locally-removing the handle silicon substrate in the photonic region through post-processing. …
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Polarization multiplexed photonic integrated circuits for 100 Gbit/s and beyond
In this thesis, a fully integrated dual-polarization (DP) optical transmitter is proposed, developed and demonstrated. The transmitter proposed in this work consists of two key building blocks: a polarization rotator (PR) and two electro-absorption modulators (EAM), laid out in a serial …
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LARGE AREA 3D PHOTONIC CRYSTALS WITH EMBEDDED WAVEGUIDES
… diagram models. A new method for fabricating waveguides embedded in three-dimensional photonic crystals is also developed in this dissertation. This new approach to waveguide fabrication lends itself straightforwardly to mass manufacturing using standard semiconductor lithography equipment. …
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Analysis of terabit/second-class inter-chip parallel optoelectronic transceiver
… carrier and an organic card patterned with 48 integrated waveguides at density of 16-channel/mm and total length of 30 cm. The 985-nm operating wavelength of the lasers allows a simple optical design with emission and illumination through arrays of relay lenses directly etched into the backside …
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3-D optical waveguide arrays for in-vivo optogenetics : development and application
… integration onto insertable silicon probes. The waveguides have a propagation loss of-0.4 dB/cm. Right-angle corner mirrors were fabricated at the outputs of the waveguides with losses measured to be 1.5 ± 0.4 dB. Silicon MEMS techniques were developed to fabricate both single- and multi-shank …
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On-Chip Atomic Spectroscopy
… cells with anti-resonant reflecting optical waveguides (ARROWs) fabricated on silicon chips. These potentially provide a compact platform for a number of optical applications, including the study of quantum coherence effects such as electromagnetically induced transparency and single-photon …
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Design, simulation and manufacturing techniques for fully textile integrated microwave circuits and antennas
… the most employed techniques to develop textile integrated circuits and antennas, such as inkjet-printing over textile substrates, embroidery, appliqué processes or the use of non-woven materials or, simply, non-wovens. The beforementioned techniques present different problems, consequently, …