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 14 of 14 for “"Mach-zehnder Interferometers"”.
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Quadrature-point stabilization of Mach-Zehnder interferometers
… transducer in the reference arm of an all-fiber Mach-Zehnder interferometer.
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Femtosecond laser fabrication of directional couplers and Mach-Zehnder interferometers
… in glass, a variety of devices such as couplers, interferometers, gratings, 3D structures, active waveguides, and void structures have been successfully demonstrated. In contrast to conventional semiconductor-based fabrication processes, the femtosecond laser fabrication process utilizes a single …
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Development of SiOxNy waveguides for integrated quantum photonics
… Reconfigurable quantum circuits consisting of Mach-Zehnder interferometers with near perfect visibilities were fabricated along with a four-port switch. The potential of quantum speedup was illustrated by carrying out the Deutsch-Jozsa algorithm with a fidelity of 100 % using on-demand single …
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Passive and Thermo-Optic Characterization of Long-Range Surface Plasmon-Polariton Structures in CYTOP
… curves were drawn and S-bends, Y-junctions, Mach-Zehnder interferometers, and couplers were tested. Results show that the fabricated waveguide thicknesses are inconsistent and thinner than designed, and improvement of their fabrication quality is necessary. In thermo-optic measurements, …
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Development of ultra-broadband modulators
… both phase and amplitude modulation using Mach Zehnder Interferometers, an arbitrary waveform is constructed following frequency channel recombination. Modulation of frequency combs centered at an operational frequency of 800nm requires the use of GaAs-based and InP-based materials that are …
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Techniques for Reliability and Robustness in Integrated Electronic and Photonic Systems
… systems. This thesis presents statistical and machine learning techniques for reliability analysis of heterogeneously-integrated systems, extraction of variations from photonic test structure measurements, making smart decisions about test configurations in the face of time and resource …
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Integration of photonic and passive microfluidic devices into lab-on-chip with femtosecond laser materials processing
… the ability to fabricate couplers and Mach-Zehnder Interferometers (MZI) with good repeatability and flexibility. An in-depth characterization of the spectral characteristics of symmetric directional couplers and MZI is presented. The spectral data from a series of unbalanced MZI is …
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Interference and correlation effects in multimode quantum systems. Multimode systems.
… devices which in a sense are generalised Mach-Zehnder interferometers. It is shown how these multimode devices can be employed for the study of negative result and interaction free measurements. Interference and coherence effects are also studied in relation to the radiation fields …
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Photonics for technology : circuits, chip-scale LIDAR, and optical neural networks
… an integrated photonics circuit consisting of Mach-Zehnder Interferometers, optical delay lines, and optical nonlinearity units. This new platform, should be able to perform the order of a thousand inferences per second, at [mu]J power levels per inference, with the nearest state of the art …
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Control of a Nonlinear Mach-Zehnder Interferometer for Regeneration Using Digital Signal Processing
… noises. Optical regenerators based on nonlinear Mach Zehnder interferometers (NMZIs) are able to suppress them both. To use a NMZI as a regenerator, the frequency of the pump signal must be kept close to that of the data carrier and the phase difference between the data and pump signals needs to …
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Design, microfabrication and characterisation of Photonic Integrated Circuits
… 8) on Silicon Dioxide (SiO2) waveguides, bends, Mach Zehnder interferometers and ring resonators.
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Energy Efficient High Port Count Optical Switches
… in datacentres. Opto-electronic devices, such as Mach-Zehnder Interferometers (MZIs) and semiconductor optical amplifiers (SOAs) with nanosecond response time show the potential to fulfil the requirements of packet switching. However, the scalability of MZI switches is inherently limited by …
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Subsurface 3D integrated photonic devices
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01
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Scalable and Reconfigurable Optical Switches: From Network Design to System Application
… form the planar switching fabrics or networks. Mach-Zehnder interferometers (MZIs), Micro-ring Resonators (MRRs) and SOAs can provide the on-off switching states and thus are widely applied in the switch design. However, challenges on the MZI SEs still exist to realise the switches with the high …