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Design of a phase locked loop for optical upconversion

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Herranz Salazar, Francisco
Tutor / directorKuyken, Bart; Lázaro Villa, José AntonioMés informacióMés informacióMés informació
Document typeMaster thesis
Date2018-05
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Silicon Photonics has become a key technology in the design of devices for the next generation of wireless communications. One of the most important challenges of 5G is the transport of microwave signals over fiber links, in what are known as Radio over Fiber systems. Optical Phase Lock Loop (OPLL) is positioning itself as one of the most relevant techniques for the generation of stable GHz signals. In this thesis, the different elements that form an OPLL are analyzed in both the optical and electrical domains. A SIMULINK model for an OPLL that reaches stable operation at frequencies between 3 and 10 GHz is obtained. Also, the suitability of a novel Semiconductor Laser structure that acts as a Phase Modulator is analyzed with three different software tools that study the modulation process form the carrier concentration to the effective index change.
Description
The next generation of 5G wireless networks are at the moment designed to handle the ever-increasing data demand: and datarates of up to 10GB/s are targeted. To cope with this enormous required bandwidth, significant architectural changes as compared to 4G networks are envisioned. Small cells, massive MIMO and mmWave frequency bands are explored to maximize the available datarate per user. However, reducing cell sizes and hence increasing the amount of antennas, makes the infrastructure cost skyrocket. To make more efficient use of the driving electronics, there is a t
SubjectsThermal analysis, Silicon, Semiconductor laser, Anàlisi tèrmica, Silici, Làsers de semiconductors
DegreeMÀSTER UNIVERSITARI EN ENGINYERIA DE TELECOMUNICACIÓ (Pla 2013)
URIhttp://hdl.handle.net/2117/117970
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