2007 ICTON Mediterranean Winter Conference最新文献

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Optical data bus technologies for automotive applications 汽车应用的光学数据总线技术
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446905
O. Strobel
{"title":"Optical data bus technologies for automotive applications","authors":"O. Strobel","doi":"10.1109/ICTONMW.2007.4446905","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446905","url":null,"abstract":"This paper deals with state of the art and next-decade technologies for optical data buses in automotive applications. Nowadays, optical data buses in automotive applications are almost exclusively used in the infotainment domain, MOST (Media Oriented System Transport). Current data rates are in the order of 20 Mbit/s. Consequently, the use of LEDs and polymer optical fibers (POF) is sufficient. The next generation of these optical buses has to operate at about 150 Mbit/s. Therefore, the LED/POF solution has reached the uttermost limit of operation. For higher data rates, alternative solutions have to be found: The LED as transmitter has to be replaced by a vertical surface emitting laser (VCSEL), and plastic fiber (POF) will have to be substituted by polymer-cladded silica (PCS) fiber. Due to the inherent fact that, as a result, the fiber diameter is reduced, the detector area of the well-known Silicon photo diodes can also be reduced greatly. As a consequence, data rates can be extended into the Gbit/s-region. This situation then enables us to use the system for sensor applications as well, including safety-relevant operations like drive by wire, break by wire and engine management, and may at last lead in the coming decades to autonomous driving.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116207241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Soliton propagation in coupled resonator optical waveguides: Application to optical delay lines 耦合谐振腔光波导中的孤子传播:在光延迟线中的应用
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446922
T. Kamalakis, I. Neokosmidis, A. Theocharidis, T. Sphicopoulos
{"title":"Soliton propagation in coupled resonator optical waveguides: Application to optical delay lines","authors":"T. Kamalakis, I. Neokosmidis, A. Theocharidis, T. Sphicopoulos","doi":"10.1109/ICTONMW.2007.4446922","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446922","url":null,"abstract":"In this paper, the feasibility of realizing optical delay lines based on soliton propagation in Coupled Resonator Optical Waveguides (CROWs) is numerically analyzed. For a given bit rate and required delay, design equations are given that relate the soliton peak amplitude and collision period to the soliton width. The stability of CROW solitons, in the presence of higher order dispersion, optical loss and adjacent soliton pulses is numerically verified. It is also shown that soliton-based CROW delay lines can achieve ns delay at a propagation length of a few mm, due to the high slow down factors that can be obtained. This could open up a path towards realizing compact optical delay lines in integrated form.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125808286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hardware-based monitoring method for all-optical components 基于硬件的全光器件监控方法
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446938
A. Jedidi, R. Rejeb, B. Rejeb, M. Abid, M. Leeson, R. Green
{"title":"Hardware-based monitoring method for all-optical components","authors":"A. Jedidi, R. Rejeb, B. Rejeb, M. Abid, M. Leeson, R. Green","doi":"10.1109/ICTONMW.2007.4446938","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446938","url":null,"abstract":"In emerging all-optical networks (AONs), efficient monitoring and estimation of signal quality along a lightpath are of highest interest because of their importance in diagnosing and assessing the overall health of the network. This is because transmission in these networks is limited by a number of effects such as optical crosstalk and amplified spontaneous emission. In particular, crosstalk is additive and can be exploited to perform service disruption attacks upon the whole network. Since these attacks can spread rapidly through the network, causing additional awkward failures and triggering multiple undesirable alarms, they must be detected and identified at any point in the network where they may occur. Due to network transparency, this requires particularly the availability of expert diagnostic techniques to measure and control the smallest granular component, the wavelength channel. However, to monitor all wavelengths at several detection points in a node is likely to be a very expensive solution. In this paper we briefly overview optical crosstalk mechanisms that arise in AON components. We then propose a hardware-based method for monitoring performance degradation in AON components that can participate in some tasks for performance management of AONs.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"236 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129871423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Environmental influence on behaviour of various structure used in dentistry 环境对牙科用各种结构性能的影响
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446925
I. Demetrescu
{"title":"Environmental influence on behaviour of various structure used in dentistry","authors":"I. Demetrescu","doi":"10.1109/ICTONMW.2007.4446925","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446925","url":null,"abstract":"The aim of the present paper is to put in evidence the environmental influence on behaviour of various structure in dentistry being based on the necessity to be conform to the concept of health & environment. The structures of studied materials are both hard and soft, natural and synthetic and the environment simulated factors are mainly heavy metals and fluoride ions. The used techniques in the paper are related to investigation of composition, structure, morphology, electrochemical properties, and hydrophilic/hydrophobic balance at interface with environment. With these methods one intend to establish new properties for some dental biomaterials and propose original correlations between the influences of some environmental factors and dental health, as well as some measures and some prophylactic products recommended in the affected areas.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128903118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Towards seamless Fiber-Wireless (FiWi) access networks: Convergence and challenges 迈向无缝光纤无线接入网:融合与挑战
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446987
S. A'issa, M. Maier
{"title":"Towards seamless Fiber-Wireless (FiWi) access networks: Convergence and challenges","authors":"S. A'issa, M. Maier","doi":"10.1109/ICTONMW.2007.4446987","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446987","url":null,"abstract":"Traditionally, wireless and optical fiber networks have been designed separately from each other. Wireless networks aimed at meeting specific service requirements while coping with particular transmission impairments and optimizing the utilization of the system resources to ensure cost-effectiveness and satisfaction for the end user. In optical networks, on the other hand, research efforts rather focused on cost reduction, simplicity, and future-proofness against legacy and emerging services and applications by means of optical transparency. With the ultimate goal of providing access to information when needed, wherever needed, and in whatever format it is needed, the vision of technological convergence of wireless and optical networks is not only becoming a necessity but also plays a key role in future communications networks. Towards the technical evolution of wireless-optical access networks and the seamless coexistence of both technologies, this paper provides a review of state-of-the-art developments and advances in wireless and optical communications, presents key technical challenges for providing seamless communications in fiber-wireless (FiWi) access networks, and highlights important research issues for providing intelligence, transport, access, and convergence of these future networks.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121764154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Effect of substrate temperature on cathodoluminescence of ITO thin films prepared by spray pyrolysis 衬底温度对喷雾热解制备ITO薄膜阴极发光性能的影响
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446958
A. Kachouane, N. Fellahi, M. Addou, M. A. Lamrani, T. El Habbani, Z. Sofiani, M. El Jouad, K. Bahedi, L. Dghoughi, B. Sahraoui, N. Gaumer, A. Monteil
{"title":"Effect of substrate temperature on cathodoluminescence of ITO thin films prepared by spray pyrolysis","authors":"A. Kachouane, N. Fellahi, M. Addou, M. A. Lamrani, T. El Habbani, Z. Sofiani, M. El Jouad, K. Bahedi, L. Dghoughi, B. Sahraoui, N. Gaumer, A. Monteil","doi":"10.1109/ICTONMW.2007.4446958","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446958","url":null,"abstract":"Highly conducting and transparent tin-doped indium oxide (ITO) thin films were deposited on glass substrates by spray pyrolysis. The characterisation of ITO thin films prepared under different deposition parameters is investigated. The transmission, resistivity and luminescence of the films were found to be strongly dependent on these parameters. The films prepared at the optimum conditions exhibit low resistivity and optical transmission larger than 90% in the visible region. ITO cathodoluminescence films prepared at 450degC and 500degC has been studied. These samples exhibit a strong luminescence peaks in visible region at 460 nm and 650 nm.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121766281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Physico-chemical characterization of Ta2O5 thin films/electrolyte junctions Ta2O5薄膜/电解质结的物理化学表征
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446965
Viviana Figa
{"title":"Physico-chemical characterization of Ta2O5 thin films/electrolyte junctions","authors":"Viviana Figa","doi":"10.1109/ICTONMW.2007.4446965","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446965","url":null,"abstract":"An analysis of the electronic properties of Ta2O5/electrolyte junction is reported for thin film( les 14 nm) grown on tantalum in acidic electrolyte. The investigation is carried out by the synergetic use of three techniques: Photocurrent Spectroscopy (PCS), Electrochemical Impedance Spectroscopy (EIS) and Differential Admittance (DA) measurements. PCS is a non destructive optical technique based on the analysis of the electrochemical response (photocurrent or photopotential) of the electrode/electrolyte interface under irradiation with photons of suitable energy. PCS can provide information on the energetic of metal/oxide/electrolyte interfaces (flat band potential determination, conduction and valence band edges location). EIS allows to model the electrochemical behaviour of the oxide/electrolyte interface and AD measurements allow to get information on the tantalum grown in the investigated conditions.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132743538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation on CdS: Mn quantum dots using scanning laser microscopy 扫描激光显微镜对CdS: Mn量子点的研究
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446918
S. Stanciu, R. Hristu, B. Savu, G. Stanciu, D. Mohanta, G. A. Ahmed, A. Choudhury
{"title":"Investigation on CdS: Mn quantum dots using scanning laser microscopy","authors":"S. Stanciu, R. Hristu, B. Savu, G. Stanciu, D. Mohanta, G. A. Ahmed, A. Choudhury","doi":"10.1109/ICTONMW.2007.4446918","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446918","url":null,"abstract":"This paper investigates the effect of the dopant on the photoluminescent spectrum of quantum dots and we used a confocal spectral laser scanning microscope (CSLM) to investigate CdS:Mn nanoparticles within thin films. On the other hand study regarding nonlinear optical properties such as third harmonic generation (THG) was done using the 4pi microscope to reveal the nonlinear behavior of semiconductor quantum dots and their possible use in the development of photonic devices.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132001537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photoluminescence study of the GaAs barrier effect on GaAs/GaInAs/GaAs quantum wells GaAs/GaInAs/GaAs量子阱中GaAs势垒效应的光致发光研究
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446966
A. Bardaoui, N. Ben Sedrine, J. Harmand, R. Chtourou
{"title":"Photoluminescence study of the GaAs barrier effect on GaAs/GaInAs/GaAs quantum wells","authors":"A. Bardaoui, N. Ben Sedrine, J. Harmand, R. Chtourou","doi":"10.1109/ICTONMW.2007.4446966","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446966","url":null,"abstract":"In this work we propose a photoluminescence (PL) study of a GaAs/GalnAs/GaAs quantum well (QW) sandwiched between two GaAs0.95N0.05 layers grown on GaAs substrate by molecular beam epitaxy (MBE). This structure is used as an optical switch in the telecommunication application. The effect of the GaAs barrier thickness (d) between the GaAs/GalnAs/GaAs QW and GaAsN plan was investigated for three samples with d = 25, 40 and 100 Adeg. We have found that at low temperature the PL spectra are essentially composed of a wide band and two sharp structures. We have attributed the wide band to the deep localized state due to the three-dimensional mode growth of the GaAsN layer at low temperature, and the two sharp structures to the fundamental states of GalnAs QW and GaAsN layers. The dependence of the energy shift with the GaAs barrier width of the two structures is explained in the frame of the coupling of the two states by the covering of their wave functions.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115332388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Load balanced distributed schedulers for WASPNET Optical packet switches maintaining packet order 用于维护分组顺序的WASPNET光分组交换机的负载平衡分布式调度程序
2007 ICTON Mediterranean Winter Conference Pub Date : 2007-12-01 DOI: 10.1109/ICTONMW.2007.4446914
M. Rodelgo-Lacruz, C. López-Bravo, F. González-Castaño
{"title":"Load balanced distributed schedulers for WASPNET Optical packet switches maintaining packet order","authors":"M. Rodelgo-Lacruz, C. López-Bravo, F. González-Castaño","doi":"10.1109/ICTONMW.2007.4446914","DOIUrl":"https://doi.org/10.1109/ICTONMW.2007.4446914","url":null,"abstract":"Previously the author's (Lopez-Bravo et al., 2007) proposed the Load Balanced WASPNET Scheduler (LBWS), a novel scheduling approach for WASPNET optical packet switching (OPS) nodes. Unlike the original WASPNET description, LBWS is fully distributed and its computational cost is independent from switch size. Since it predicts packet delays at packet ingress based on a deterministic evolution of the switch configuration, it is not necessary to emulate RAM memories. However, LBWS does not maintain the packet sequence. In this paper we present the LBWS algorithm with packet ordering (OLBWS), the first step to prevent mis-sequencing in a LBWS scheduler. We show that despite the algorithm simplicity a reasonable throughput can be achieved.","PeriodicalId":366170,"journal":{"name":"2007 ICTON Mediterranean Winter Conference","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123300193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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