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 11 of 11 for “"Optical Telecommunication"”.
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Novel techniques and materials for optical telecommunication systems
… work on a variety of novel fibre-based, all-optical approaches to the implementation of several key telecommunications operations. It can be divided into two distinct parts. <br/><br/>The first part relates to the generation and coherent manipulation of short pulses in all-fibre systems. The …
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Precise intensity and phase characterisation of optical telecommunication signals
… characterisation of a range of high speed optical telecommunication signals is presented. The main technique used to determine both the intensity and the phase profiles of these signals is based on spectrograms, and various developments and extensions of this method are presented. Finally, …
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Opto-VLSI-based adaptive optical power splitter/combiner for next generation dynamic optical telecommunication networks
The demand for optical power splitters is growing globally, due to the rapid deployment of fibre-to-the-premises, optical metropolitan area network (MAN), and active optical cables for TV/Video signal transport. Optical splitters play an important role in passive optical network (PON) technology by …
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Deposition of electronic and plasmonic materials inside microstructured optical fibres
Optical fibres are the transport medium of today's digital information. Nowadays, modern optical telecommunication systems make use of semiconductor optoelectronic devices to generate, control and detect light. The union of the two technologies, namely fibre photonics and semiconductor electronics …
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Towards integrated QPSK transceiver on zero-change CMOS foundry process
… To keep up with the trend, more cost-eective optical telecommunication links are required. Due to the limited amount of optical fibers and wave- length range, increasing spectral eciency is a desirable approach. Advance modulation scheme, such as quadrature phase-shift keying (QPSK), is a …
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Novel Materials and Processes for Fabrication of Integrated Photonic and Opto-Electronic Devices
… are the basis for many advances in the optical telecommunication area. Thin films are the foundation for these devices. Typically thin films are made from methods that involve expensive or complicated processes, such as chemical vapor deposition (CVD), sputtering, and electron beam …
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Telecom Wavelength Quantum Devices
… wavelength windows utilised in long-haul optical telecommunication. Initial experiments succeeded in interfering O-band (1260—1360 nm) photons from an InAs/GaAs QD with dissimilar photons from a laser, an important mechanism for quantum teleportation. Interference visibilities as high as …
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Surface plasmons for enhanced metal-semiconductor-metal photodetectors
… Spectroscopy (SERS), super lenses, nano-scale optical circuits, optical filters and SPP enhanced photodetectors. In the past decade, there have been several experimental and theoretical research and development activities which reported on the extraordinary optical transmission through …
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Integrated Silicon Photonics Switches for Transparent Optical Networks
L'abstract è presente nell'allegato / the abstract is in the attachment
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Digital equalization techniques for the compensation of nonlinear impairments in long-haul coherent optical communication systems
… the commercialization by Nortel of coherent optical communications digital transceivers operating at 40 Gb/s using Differential Phase Shift Keying (DPSK) revolutionized the field of fiber-optic communications because it provided superior spectral efficiency compared to the state-of-the-art …