نتایج جستجو برای: optical fibre lan
تعداد نتایج: 296761 فیلتر نتایج به سال:
چکیده ندارد.
in this paper, we propose an optical millimetre wave radio-over-fibre (mm-wave rof) system that uses a dual drive mach zehnder modulator (dd-mzm), which is biased at the maximum transmission biasing point, to generate an optical double sideband-suppressed carrier. the input to the dd-mzm are binary phase shift keying (bpsk), quadrature phase shift keying (qpsk), 8-phase shift keying (8-psk) and...
The focal purpose of this thesis is to study chirality specifically in telecommunications area, through the pure chiral fibres (optical fibres constituted by chiral material) and chiral fibre grating (twisted optical fibre), analysing also its behaviour and applications. Nevertheless we shall also address this theme from an economical perspective. The study begins by giving a brief introduction...
The role of optical buffering in the development of all-optical cross-connects is discussed, followed by an analysis of fibre delay line implementations in optical buffers. It is shown that the traffic model plays an important part in the analyses of the systems, together with the traffic load, the use of internal buffer wavelengths, and the cross-connect architecture. Travelling buffers have s...
The use of optical fiber as a transmission medium in computer local area networks (LAN) has lead to the design of new protocols to take advantage of the high bandwidth of fiber. Many of these new protocols have been designed for a ring topology LAN. There has also been significant research effort devoted to designing protocols for a star topology LAN. This paper proposes a novel hybrid architec...
Quality of embedment of optical fibre sensors in carbon fibre-reinforced polymers plays an important role in the resultant properties of the composite, as well as for the correct monitoring of the structure. Therefore, availability of a tool able to check the optical fibre sensor-composite interaction becomes essential. High-resolution 3D X-ray Micro-Computed Tomography, or Micro-CT, is a relat...
We review the current state of lightwave component and device technology in South Korea, particularly focusing on the recent progress in research, development and implementation in conjunction with a government programme. The plan for the communications infrastructure is being conducted in three stages. The first stage consists of installation of optical fibre cables interconnecting all the cit...
Optical fibre sensors, such as Fibre Bragg Gratings (FBGs), are growing in their utilisation, although very niche in their applications. To enable a more diverse range of end users, expensive application-specific optical fibre interrogation hardware needs to be made compatible with and, ideally, easily incorporated into existing instrumentation and measurement hardware. The Programmable Logic C...
Modern optical networking techniques have the potential to greatly extend the applicability of quantum communications by moving beyond simple point-to-point optical links, and by leveraging existing fibre infrastructures. We experimentally demonstrate many of the fundamental capabilities that are required. These include optical-layer multiplexing, switching, and routing of quantum signals; quan...
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