high speed optical communications
Dispersion Flattened Optical Fiber Design for Large Bandwidth and High-Speed Optical Communications Using Optimization Technique
... even for core diameter larger than 4.62 µm. Another important thing discussed in this paper is a proposal for optimization of the broadening factor on large wavelength duration, which is necessary for large bandwidth ...
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Optical signal processing via two photon absorption in a semiconductor microcavity for the next generation of high speed optical communications network
... for high-speed optical sig- nal ...in optical fibers, speciality fibers are required, and precise control of the wavelength of the control pulse and signal pulse around the zero-dispersion ...
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Recent developments in fibre technology and its application within high speed optical communications
... An optical delay line was used to temporally overlap the two ...broadband optical filter and then launched into 500 m of SMF as required to remove the chirp, and thus to retime the ...
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Design of an Omnidirectional Multibeam Transmitter for High Speed Indoor Wireless Communications
... diffusive optical channel, as illustrated in Figure 3, where a diffusive optical source with a divergent angle of 30 degrees is used to emit light radiation into a rectangular empty ...
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An Enhanced Colour Shift Keying Modulation Scheme for High Speed Wireless Visible Light Communications
... wireless optical channels with and without the consideration of the cross-talk and insertion losses incurring due to the properties of LEDs, receive filters and ...dispersive optical wireless channel. As ...
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Light emitting diodes and lasers for high-speed underwater optical communications
... 12 Regarding the distances that could be supported with the current configuration outside of the water tank, in Figure 3.9 an estimated BER versus transmission distance (the distance between the 𝑇 𝑥 and 𝑅 𝑥 ) was plotted ...
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Scalable visible light communications with a micro-LED array projector and high-speed smartphone camera
... light communications (VLC) offers complementarity to radio frequency (RF) technology, with licence-free operation, low-cost components, improved security due to localised signals, and the potential for integration ...
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Study on Insertion Loss of Fiber Fabry Perot Filters
... in optical fiber communications and optical sensing systems, since they have advantages of low loss, high tuning speed, wide tuning range, high finesse, and flexi- ble structures ...
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Pulse Interval Modulation for Ultra-High Speed IR-UWB Communications Systems
... strict optical orthogonal codes (SOOC) is ...multiuser high-speed data asynchronous transmission applications because the average symbol length is shorter than in Pulse Position Modulation (PPM) ...
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Investigation of high-speed optical fibre transmission in the presence of fibre nonlinearities.
... In summary, this thesis has investigated nonlinear effects in optical communications systems. The main contribution is the understanding o f the XPM effect achieved through detailed fundamental pump-probe ...
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Processing of ultra short optical pulses for high bit rate optical communications
... for high speed signal processing (>160 ...requires high peak power levels and long fibre lengths (several hundreds of meters) for their man- ...within optical switches and to improve the ...
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Barrick_unc_0153D_19367.pdf
... are high optical SNR (for sensitivity to small displacements), fine spatial resolution (to distinguish the phase shift caused by the motion of a single particle above the phase contributions from scatterers ...
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Interval modulation: a new paradigm for the design of high speed optical communication systems
... Conventional high speed transceivers can be tested using off-the-shelf test equipment. Since our architecture is radically different pseudo random data sources and test cir- cuits must be integrated on ...
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Multi slot amplitude coding technique for high speed optical fiber communication system
... or optical communication [32, 33] know as Duty Cycle Division Multiplexing ...for optical link, therefore, it provides cost efficient for state of the art high data ...
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A Hybrid of Optical and Wireless Communications System
... the communications in all the rooms of a residential ...a high value of the preamble detection probability and a very small value of the false alarm ...
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Optical Signal Quality Optimization by Adopting Spectral Inversion at the Receiver of High-Speed Optical Communication System
... received optical signal quality utilizing Spectral Inversion (SI) technique outside the transmission link is investigated in long-haul intensity and phase modulated transmission systems using channel data rate up ...
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A highly efficient channel sounding method based on cellular communications for high speed railway scenarios
... and high are considered and the performance results are listed in Table 9 ...contrast, high cor- relation cases are more susceptible to the noise level which encounters lager ...
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4 Pulsed Amplitude Modulation Optical Downlink Signals Reception in Optical Access Systems Using Different Bandwidth Optical Bessel Filter
... realize high-speed optical signals transmission and reception by using 4-pulsed amplitude modulation (4-PAM) and demodulation in 10 Gb/s passive optical access sys- tems with different ...
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Performance improvement in FIR filter using Residue Number System with modulo adders and multipliers
... and high speed real-time digital filters will be necessary to find applications in radar, communications and image processing ...the speed of the system will be increased ...
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Receiver bandwidth enhancement design for high speed optical system
... Summary: This paper introduces a new technique for designing uniform multistage amplifiers (MAs) for high-frequency applications is introduced. The proposed method uses the multi-peak bandwidth enhancement ...
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