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 88 for “"Wavelength Division Multiplexing"”.
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Wavelength division multiplexing technology and systems
Wavelength Division Multiplexed (WDM) based broadband fiber optic networks offer an attractive approach to achieve extremely high throughputs while employing moderate speed electronics. Passive optical filters play a crucial role in such networks serving the function of combining and separating …
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Dual channel bidirectional wavelength division multiplexing datalink
Wavelength division multiplexing two channels on one fiber is one approach that enables us to make use of the extremely large bandwidth of optical fibers. We start with an analysis of optical fibers, sources, detectors, filters and wavelength division ,multiplexers. Then, using the knowledge from …
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Crosstalk and Signal Integrity in Ring Resonator Based Optical Add/Drop Multiplexers for Wavelength-Division-Multiplexing Networks
With 400 Gbps Ethernet being developed at the time of writing this thesis, all-optical networks are a solution to the increased bandwidth requirements of data communication allowing architectures to become increasingly integrated. High density integration of optical components leads to potential …
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All-fiber Spectral Filters based on LP01 - LP11 Mode Coupling and Applications in Wavelength Division Multiplexing and Dispersion Compensation
… LP11 mode of the dual-mode fiber at a desired wavelength. Thus, significant exchange of power between these two modes can occur. The coupled-mode theory of parallel dielectric waveguides is used to analyze the proposed filter. Transmission expressions are derived from the governing coupled-mode …
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Plastic optical fibre couplers with wavelength division multiplexing capability for short-range peer-to-peer communication in networking and industrial applications
… plastic optical fibre (POF) array couplers for wavelength-division multiplexed (WDM) transmission in the visible spectrum. The research focuses on three configurations—1×2, 1×4, and 1×8—and introduces a novel architecture that allows precise control of optical power spliting ratios, offering …
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Delay improvements from multiple wavelengths in an optical folded bus
In this thesis, we compared the delay of a single wavelength local area optical network and a multiple wavelength local area optical network. We used an optical folded bus as the architecture for the LAN and analyzed the system's delay for both time division multiplexing and a reservations. The …
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Numerical modelling of advanced modulation formats and WDM transmission
… work focuses on numerical optimisation of dense wavelength division multiplexing (DWDM) system design. We employ advanced spectral domain filtering techniques and carrier pulse reshaping. We then apply these optimisation methods to investigate spectral and temporal domain characteristics of …
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Next-Generation Photonic Signal Processors
… light, are devoid of these effects and utilize wavelength-division multiplexing for increased throughput and energy efficiency. Yet, their WDM scalability is limited by the free spectral range (FSR) of photonic weights. Additionally, their energy efficiency and speed are limited by thermal …
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Holovideo on a stick : integrated optics for holographic video displays
… as: polarization rotation via mode-coupling; wavelength division multiplexing of red, green and blue signals; high total pixel bandwidth; continuous horizontal parallax and extremely low cost of construction relative to comparable displays.
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Development, characterisation and analysis of narrow linewidth, single-frequency DFB fibre lasers in the 1.5 µm - 2 µm region
… sources for optical coherent communication, wavelength division multiplexing, optical sensors and spectroscopy, as they have kilohertz linewidths, direct compatibility with the fibre network, wavelength tunability and are simple to fabricate. Another aim of the study was to extend the …
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Photonic crystal based widely tunable laser diodes and integrated optoelectronic components
… of optical network systems that are based on wavelength division multiplexing. In a second aspect of this work, the operation of a photonic crystal block near the photonic band edge is investigated with respect to the so-called superprism effect. After a few introductory remarks that serve to …
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Scheduling algorithms for throughput maximization in data networks
… network setting, the key enabling technology is wavelength division multiplexing (WDM), which allows each optical fiber link to simultaneously carry a large number of independent data streams at high rate. To take advantage of this high data processing potential, engineers and physicists have …
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A 9GHz injection locked loop optical clock receiver in 32-nm CMOS
… for multicore processors, by exploiting wavelength-division multiplexing. This thesis presents the technology environment of the monolithic optical/electrical chip, and then focuses on how an optical method would look like for both source-synchronous link and for on-chip global clock …
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DMACS: a media access protocol for single-hop wavelength division multiplexed lightwave networks
… metropolitan area all-optical networks employing wavelength division multiplexing (WDM). Through WDM, multiple channels are created on a single fiber, and an aggregate network bandwidth far greater than the peak electronic processing speed can be realized. The new protocol, Dynamic Media Access …
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A study of periodic gratings in planar dielectric waveguides
… making them very useful as spectral filters for wavelength division multiplexing applications and as end mirrors for narrow linewidth lasers. A study of the spectral characteristics of both single and double gratings in planar dielectric waveguides is presented. The analysis of light propagation …
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Optimizing resource allocation in next-generation optical access networks
… three next-generation access networks: Time Division Multiplexing (TDM) PONs, Wavelength Division Multiplexing (WDM) PONs, and WDM Radio-Over-Fiber (RoF) Picocellular networks. To address resource allocation problems in these three networks, this thesis first investigates respective …
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Opto-VLSI processing for reconfigurable optical devices
The implementation of Wavelength Division Multiplexing system (WDM) optical fibre transmission systems has the potential to realise this high capacity data rate exceeding 10 Tb/s. The ability to reconfigure optical networks is a desirable attribute for future metro applications where light paths …
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Commercialization of microelectromechanical systems (MEMS)
… specifically in telecommunications for dense wavelength division multiplexing (DWDM) and optical switching. This thesis examines various models of dynamic technology adoption and explores how they apply to MEMS technology. Furthermore, by way of historical comparison to the development of …
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