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Advanced Applications
... Integral Feedback Controller (see page XXX for details). The controller utilizes an “error” value given by the difference between a measured process variable, produced by the spectroscopy systems, and a desired set point. Through a proportional and integral gain stage, the controller will then gener ...
... Integral Feedback Controller (see page XXX for details). The controller utilizes an “error” value given by the difference between a measured process variable, produced by the spectroscopy systems, and a desired set point. Through a proportional and integral gain stage, the controller will then gener ...
PART II: Multi-layer TE in Metropolitan Area Networks
... other pre-defined path. In this case, a signalling mechanism is required between the source and the destination node. However, the advantage is that in absence of failure, the second path can be used to transmit, for example, low priority traffic. On the other hand, the restoration approach implies ...
... other pre-defined path. In this case, a signalling mechanism is required between the source and the destination node. However, the advantage is that in absence of failure, the second path can be used to transmit, for example, low priority traffic. On the other hand, the restoration approach implies ...
Distributed Resource Control using Shadowed Subgraphs
... The next level down has a more detailed topological abstraction that captures the internal connectivity of the network, available bandwidth on links, bandwidth allocated to flows, and hop by hop forwarding rules. This detail is sufficient to run a Dijkstra algorithm that sets up end-to-end paths and ...
... The next level down has a more detailed topological abstraction that captures the internal connectivity of the network, available bandwidth on links, bandwidth allocated to flows, and hop by hop forwarding rules. This detail is sufficient to run a Dijkstra algorithm that sets up end-to-end paths and ...
Network and Service Discovery in Distributed Environments
... Second scheme: At the Wavelength Level [6] • applied to cross-connected mesh architectures • slower but more bandwidth efficient • Three variants: • link • fastest failure detection • recovery is local to one point (i.e. @ link level) • path • reroutes between two end nodes • full advantage of netwo ...
... Second scheme: At the Wavelength Level [6] • applied to cross-connected mesh architectures • slower but more bandwidth efficient • Three variants: • link • fastest failure detection • recovery is local to one point (i.e. @ link level) • path • reroutes between two end nodes • full advantage of netwo ...
Improved Theoretical Reflectivities of Extreme Ultraviolet Mirrors
... is a tolerance, and m is the number of target values. In a previous paper [14] we have described in detail how esoteric optimization procedures such as needle optimization [15,16] can be employed to further enhance the reflector performance. However, in this work, we confine the discussion to a few ...
... is a tolerance, and m is the number of target values. In a previous paper [14] we have described in detail how esoteric optimization procedures such as needle optimization [15,16] can be employed to further enhance the reflector performance. However, in this work, we confine the discussion to a few ...
幻灯片 1
... 1, the video surveillance categories of projects upstream bandwidth demand for high-end number of large, widely distributed. GPON wide coverage range, saving fiber, high bandwidth, is suitable for video surveillance technology. 2, using GPON network load as the world's eye, with high reliability, an ...
... 1, the video surveillance categories of projects upstream bandwidth demand for high-end number of large, widely distributed. GPON wide coverage range, saving fiber, high bandwidth, is suitable for video surveillance technology. 2, using GPON network load as the world's eye, with high reliability, an ...
Chaotic dynamics of frequency combs generated with continuously
... stable frequency comb Fig. 4. The comb is started from chaotic oscillations, but when the laser frequency moves to to the position where regular solutions are allowed, the oscillation pattern changes. The modification of the oscillation regime is accompanied by intricate comb dynamics. This is not t ...
... stable frequency comb Fig. 4. The comb is started from chaotic oscillations, but when the laser frequency moves to to the position where regular solutions are allowed, the oscillation pattern changes. The modification of the oscillation regime is accompanied by intricate comb dynamics. This is not t ...
New method for estimating the refractive index of optical materials in
... where n1 , n2 are the refractive indexes of air and glass, respectively, θ is the angle of incidence. To simulate the light scattering, the principles set out in [5] were used. Using the proposed methods, it was calculated the indicatrix of scattering of the optical elements with different refractiv ...
... where n1 , n2 are the refractive indexes of air and glass, respectively, θ is the angle of incidence. To simulate the light scattering, the principles set out in [5] were used. Using the proposed methods, it was calculated the indicatrix of scattering of the optical elements with different refractiv ...
Evolutionary optimization of layouts for high density free space
... the interconnections of the switches. The opto-electronical media conversion is done by so called trancievers (MC-TX and MC-RX) and causes a power dissipation of about 35 mW per Gb/s and link. The advantages of optical links are a high bandwidth due to multiple optical channels in the same space (fo ...
... the interconnections of the switches. The opto-electronical media conversion is done by so called trancievers (MC-TX and MC-RX) and causes a power dissipation of about 35 mW per Gb/s and link. The advantages of optical links are a high bandwidth due to multiple optical channels in the same space (fo ...
Experimental realization of three-dimensional indefinite cavities at the nanoscale with
... Metamaterials allow for extraordinary electromagnetic properties that are not attainable in nature1–9. Indefinite media with hyperbolic dispersion, in particular, have found intriguing applications10–13. The miniaturization of optical cavities increases the photon density of states and therefore enha ...
... Metamaterials allow for extraordinary electromagnetic properties that are not attainable in nature1–9. Indefinite media with hyperbolic dispersion, in particular, have found intriguing applications10–13. The miniaturization of optical cavities increases the photon density of states and therefore enha ...
Gauthier Abstracts - Department of Electronics
... whispering-gallery modes. This paper presents a mode solver based on Maxwell׳s vector wave equation for the electric field cast into an eigenvalue problem using a Fourier–Bessel basis function space. The modal frequencies and field profiles of the high azimuthal order slot-channel-whispering-galle ...
... whispering-gallery modes. This paper presents a mode solver based on Maxwell׳s vector wave equation for the electric field cast into an eigenvalue problem using a Fourier–Bessel basis function space. The modal frequencies and field profiles of the high azimuthal order slot-channel-whispering-galle ...
03-PacketSwitching-TRybczynski-13Jan2016
... • Flat vs hierarchical (for scalability) • Static vs dynamic routing • Distance Vector (e.g. hop count to each destination) vs Link State Routing (each node has network view) • Per packet vs per flow • Added requirements ...
... • Flat vs hierarchical (for scalability) • Static vs dynamic routing • Distance Vector (e.g. hop count to each destination) vs Link State Routing (each node has network view) • Per packet vs per flow • Added requirements ...
Second harmonic generation via total internal reflection quasi
... Microresonators form a very favourable solution for high density integrated optics suitable for a variety of applications, from sensing, to high channel count optical filters for DWDM systems. The integration of additional nonlinear functionalities, such as second harmonic generation will strengthen ...
... Microresonators form a very favourable solution for high density integrated optics suitable for a variety of applications, from sensing, to high channel count optical filters for DWDM systems. The integration of additional nonlinear functionalities, such as second harmonic generation will strengthen ...
Value Innovation - Prysmian Group UK
... Value Innovation is a way of looking at the world. What we can do to help our customers do more, make more, save more and achieve more? Draka is a global leader in delivering advanced cable and network solutions. Focusing on the passive elements of the network, our goal is to deliver superior networ ...
... Value Innovation is a way of looking at the world. What we can do to help our customers do more, make more, save more and achieve more? Draka is a global leader in delivering advanced cable and network solutions. Focusing on the passive elements of the network, our goal is to deliver superior networ ...
Click here - Cincinnati Bell
... Prioritization during Congestion Each Lebanon HSI subscriber’s cable modem has a “bootfile” that contains certain pieces of information about the subscriber’s service to ensure that the service functions properly.4 For example, the bootfile contains information about the maximum speed that a particu ...
... Prioritization during Congestion Each Lebanon HSI subscriber’s cable modem has a “bootfile” that contains certain pieces of information about the subscriber’s service to ensure that the service functions properly.4 For example, the bootfile contains information about the maximum speed that a particu ...
Ethernet - Personal.kent.edu
... Cut-Through Mode and Store and Forward Mode • Cut-through mode – Switching mode in which switch reads a frame’s header and decides where to forward the data before it receives the entire packet – Can detect runts, or packet fragments • Store and forward mode – Switching mode in which switch reads t ...
... Cut-Through Mode and Store and Forward Mode • Cut-through mode – Switching mode in which switch reads a frame’s header and decides where to forward the data before it receives the entire packet – Can detect runts, or packet fragments • Store and forward mode – Switching mode in which switch reads t ...
Chapter 15 Local Area Networks
... — If any device issues broadcast frame, that frame is delivered to all devices attached to network connected by layer 2 switches and/or bridges — In large network, broadcast frames can create big overhead — Malfunctioning device can create broadcast storm • Numerous broadcast frames clog network ...
... — If any device issues broadcast frame, that frame is delivered to all devices attached to network connected by layer 2 switches and/or bridges — In large network, broadcast frames can create big overhead — Malfunctioning device can create broadcast storm • Numerous broadcast frames clog network ...
4th Edition: Chapter 1
... Residential access: cable modems Does not use telephone infrastructure Instead uses cable TV infrastructure HFC: hybrid fiber coax ...
... Residential access: cable modems Does not use telephone infrastructure Instead uses cable TV infrastructure HFC: hybrid fiber coax ...
Document
... • Thus, both the signal power level and the pump power level vary along the length of the amplifier. At any point we can have only a finite number of erbium ions and therefore we can only achieve a finite gain (and a finite maximum power) per unit length of the amplifier. • In an amplifier designed ...
... • Thus, both the signal power level and the pump power level vary along the length of the amplifier. At any point we can have only a finite number of erbium ions and therefore we can only achieve a finite gain (and a finite maximum power) per unit length of the amplifier. • In an amplifier designed ...
Demonstration of a large-scale optical exceptional point structure Liang Feng, Xuefeng Zhu,
... of non-absorbing transparent dielectric materials. Most recently, it has been suggested that the use of highly-absorbing dielectrics could result in intriguing optical phenomena [1]. If material losses are further designed intercorrelated with the index of refraction, unique optical functionalities ...
... of non-absorbing transparent dielectric materials. Most recently, it has been suggested that the use of highly-absorbing dielectrics could result in intriguing optical phenomena [1]. If material losses are further designed intercorrelated with the index of refraction, unique optical functionalities ...
Centralized Network Administration The Network That
... floor has to be segmented multiple times. FDDI or higher speed networks have been implemented for the backbone; and to manage the network properly the bridges are being replaced with routers. Because of the expense and capabilities of routers various manufacturers supported and many end-users electe ...
... floor has to be segmented multiple times. FDDI or higher speed networks have been implemented for the backbone; and to manage the network properly the bridges are being replaced with routers. Because of the expense and capabilities of routers various manufacturers supported and many end-users electe ...
Alcatel-Lucent ISA-ES1 and ES4 Series
... • Efficient network management with dedicated Ethernet manager suite To help meet service level agreements (SLAs), each ISA-ES module allows service providers and carrier operators to specify per flow QoS. Traffic is specified by a set of parameters to control its maximum and mean rates and the rela ...
... • Efficient network management with dedicated Ethernet manager suite To help meet service level agreements (SLAs), each ISA-ES module allows service providers and carrier operators to specify per flow QoS. Traffic is specified by a set of parameters to control its maximum and mean rates and the rela ...
Enhancement of absorption and color contrast in
... due to the nontrivial (not 0 or p) reflection phase shifts at interfaces between one or more lossy materials. These reflection phase shifts can “make up” for the propagation phase shift that would be accumulated in thicker films, leading to dramatically enhanced absorption in the already-lossy diele ...
... due to the nontrivial (not 0 or p) reflection phase shifts at interfaces between one or more lossy materials. These reflection phase shifts can “make up” for the propagation phase shift that would be accumulated in thicker films, leading to dramatically enhanced absorption in the already-lossy diele ...
Passive optical network
![](https://commons.wikimedia.org/wiki/Special:FilePath/PON_vs_AON.png?width=300)
A passive optical network (PON) is a telecommunications network that uses point-to-multipoint fiber to the end-points in which unpowered optical splitters are used to enable a single optical fiber to serve multiple end-points. A PON consists of an optical line terminal (OLT) at the service provider's central office and a number of optical network units (ONUs) or Optical Network Terminals (ONTs), near end users. A PON reduces the amount of fiber and central office equipment required compared with point-to-point architectures. A passive optical network is a form of fiber-optic access network.In most cases, downstream signals are broadcast to all premises sharing multiple fibers. Encryption can prevent eavesdropping.Upstream signals are combined using a multiple access protocol, usually time division multiple access (TDMA).