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semiconductor optical amplifier

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Utilizing Path Diversity in Optical Packet Switched Interconnection Networks: SPINet Scalable Photonic Integrated Network was recently introduced as an optical packet switched interconnection architecture for local area applications such as high-performance computing systems and storage-area networks. A SPINet switching fabric is comprised of a set of wideband 2×2 photonic switching nodes organized in a Multistage Interconnection Network MIN. Semiconductor...; Tags: Network, High-performance Computing, High-performance, Optical Society Of America, Semiconductor Optical Amplifier, Cloud Computing, Leadership, Management; White papers 2006-10-03

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Multi-Hop Optical-Label Switching Using Optical 3R Regeneration: This paper experimentally demonstrates the multi-hop operation of an optical-label switching router with label swapping and optical 3R at each hop. A semiconductor optical amplifier based Mach-Zehnder interferometer wavelength converter performs reshaping. A Fabry-Perot filter all-optically recovers the clock from the incoming packets in burst mode. The synchronous modulation through...; Tags: Hop, University Of California, 3R Regeneration, Fiber Optics, Optical Networking, Networking, Routers & Switches, Semiconductors, Telecommunications, Hardware; White papers 2006-07-04
1.25 - 10 Gbit/s Reconfigurable Access Network Architecture: This paper proposes a novel reconfigurable access network architecture which enables the bidirectional transmission of 1.25 - 2.5 Gbit/s. Optical Network Units ONUs are equipped with a Reflective Semiconductor Optical Amplifier RSOA and Remote Nodes RNs are based on microring resonators - both contribute to network transparency and flexibility. The...; Tags: Optical Network, Microsoft Access, Network, IEEE, Optical Network Unit, Fiber Optics, Optical Networking, Networking, Telecommunications; White papers 2007-06-14
Sun Microsystems Case Study: West Bay Semiconductor Inc.: Based in Vancouver, BC, Canada, West Bay Semiconductor is focused on making the high-density optical networking chips for the growing optical networking systems market. One of West Bay Semiconductor’s key objectives is addressing an important issue in its industry - that of cycle time. West Bay Semiconductor adopted Sun Microsystems’...; Tags: Sun Microsystems Inc., West Bay Semiconductor, Fiber Optics, Optical Networking, Networking, Telecommunications; Case studies
Next-Generation Architectures: This paper summarizes a new application technology in advanced optical transmission amplifier development and a series of successful field-trials for "hut-skipping" line architecture using hybrid Raman/Erbium-Doped-Fiber-Amplifiers EDFA. The trials were conducted to show that the application for hut-skipped ultra long-haul ULH at 10-40 GB/s mixing over 1600 km linear field...; Tags: Network, Amplifier, Line Architecture, Knowledge Management, Business Intelligence, Networking, Enterprise Software, Software, Data Management; White papers

Layered Control to Enable Large Scale SOA Switch Fabric: Increasingly sophisticated photonic integrated circuits with high numbers of active components such as multi-stage switch fabrics introduce complex control challenges. Studies on Semiconductor Optical Amplifier SOA based switch fabrics have shown low penalty operation for high levels of cascading for wavelength multiplexed packets. However, as the number of wavelengths, and...; Tags: Wavelength, SOA, Layered Technologies Inc., Fabric, Service-Oriented Architecture (SOA), Semiconductors, Web Services, Middleware, Enterprise Software, Software, Hardware; White papers 2006-04-21
Gain Uniformity Optimization of SOA-Based Optical Packet Switching Nodes for Performance and Scalability Improvements: A design methodology is proposed in this paper that can potentially provide effective bandwidth and scalability improvements to optical packet switching environments utilizing semiconductor optical amplifiers as broadcast-and-select switching elements. The design achieves added uniformity in the nodal gain-loss spectrum. The methodology is tested and verified using a commercial device...; Tags: Performance, Optimization, Packet-switching, Scalability, SOA, Optical Society Of America, Design Methodology, Network Technology, Networking; White papers 2007-09-01
The Performance of OFDM-SDMA Systems With Power Amplifier Non-Linearities: Amplifier nonlinearities affect drastically the performance of Orthogonal Frequency Domain Multiplexing OFDM systems. In this paper, the effects of amplifier nonlinearities is evaluated in OFDM with Space-Division-Multiple-Access SDMA.This paper shows that nonlinear power amplifier reduced dramatically the performance of multiple-antennas OFDM systems. The introduction of an array antenna system in...; Tags: Performance, Amplifier, Mobile Communication, OFDM, Performance Management, Cellular Phones, Wireless, Human Resources, Workforce Management, Consumer Electronics, Personal Technology; White papers 2005-08-25
Impedance Optimization of Linearizer to Suppress Intermodulation Distortion in 2.45 GHz SiGe WLAN Power Amplifier: The authors have designed a linear SiGe bipolar power amplifier with an on-chip varactor diode linearizer. This linearizer effectively improves the nonlinearity of the RF Power Amplifier PA. The power amplifier exhibits P1dB of 24 dBm, with a PAE of 31%, and power gain of 17 dB under 3.3V power...; Tags: Diode, Optimization, Amplifier; White papers 2006-03-06
Altis Semiconductor Increased System Performance With PATROL Solutions: Altis Semiconductor was founded in 1999 as a joint venture between IBM Microelectronics and Infineon Technologies. At the end of 2001, Altis Semiconductor decided to reconsider its supervision system. Having relied until then on a competing technology, the company had to integrate new infrastructure elements and rethink its solution on...; Tags: BMC Software Inc., Performance, Altis Semiconductor, It Management, It service Management; Case studies
Optical Transparency and Optical Opacity in Future All-Optical Packet Switched Network: "Transparent network" and "All-optical network" are not synonyms. Optical transparency has to be sacrificed in optical logic elements. The paper presents author's original view on future all optical packet-switched network which is based on a clear distinction within dual nature of optical signals: analogue and transparent features of the signal...; Tags: Network, Biomedical, Packet-switched Network, Networking; White papers 2002-07-14
semiconductor: hey can any explain to me the semiconductor technology concept; Tags: Semiconductors, chimukadindi@..., semiconductor; Discussion threads 2007-04-16
A High Linearity, High Efficiency WiMAX Power Amplifier Using SiC MESFETs: This paper describes the results of a broadband, high linearity, high efficiency power amplifier for WiMAX basestation applications in the 3.3 - 3.9 GHz band. Using SiC MESFETs, a single-stage power amplifier has been designed that provides a significant increase in performance, providing 17% drain efficiency, 1.5% EVM, and 3dB...; Tags: Amplifier, WiMAX, Wi-Fi, Wireless, Semiconductors, Hardware; White papers 2006-03-02
Cypress Semiconductor: Streamlining Business Processes With Sun: Cypress Semiconductor is a diversified, broadline semiconductor supplier with a communications focus. During the 1990's Cypress developed a planning system that supported the business' involved processes. As the company and the complexity of its business grew, however, the need for a modern new planning system became clear. Coordinating activities among...; Tags: Business Process, Sun Microsystems Inc., Cypress Semiconductor Corp., Operational Planning, Channel Management, Business Operations, Marketing; Case studies
Optically Controlled 2×2 Switching Cell for Packet-Switched Networks: All-optical packet-switching eliminates the need for optical-electrical conversion and are ideal for high speed networks of the future. However, owing to the lack of optical random access memory and limited optical signal processing power available, progresses in all-optical packet-switching have been very slow. Recently, by using the multimode injection locking...; Tags: Network, Packet-switching, Packet-switched Network, Cell, Optical Society Of America, All-optical Packet-switching, Network Technology, Networking; White papers 2006-06-02
Advanced Design Methods of Doherty Amplifier for Wide Bandwidth, High Efficiency Base Station Power Amplifiers: This paper has proposed advanced design methods of Doherty amplifier for high efficiency base station power amplifiers with wide bandwidth. First, the paper develops Doherty amplifier with uneven power drive which is provided more input power to the peaking cell than the carrier cell for full power operation and appropriate...; Tags: Bandwidth, Amplifier, Cell, Design Method; White papers 2005-10-18
Light Trails: A Sub-Wavelength Solution for Optical Networking: All-optical networks are able to transport data from source to destination entirely in the optical domain. This is a departure from current optical networks that rely on Optical-Electrical-Optical OEO conversion at each intermediate connection node to route data properly. The opacity inherent in traditional networks is costly in terms of...; Tags: Iowa State University, MPLS, Network, Node, Networking, Fiber Optics, Network Technology, Optical Networking, Telecommunications; White papers 2008-01-01
Envelope Tracking Power Amplifier With Pre-Distortion Linearization for WLAN 802.11g: The Envelope Tracking ET system improves the Power-Added Efficiency PAE of a power amplifier by superimposing the envelope signal at the drain so that the RF transistor is consistently operated in a high efficiency region. This technology is especially suitable for high Peal-Average-Ratio PAR signals like the OFDM 802.1la/g system...; Tags: IEEE 802.11g, WLAN, Amplifier, Envelope Tracking System, Wi-Fi, Wireless LANs, Wireless, LANs, OFDM, Networking; White papers 2004-11-04
Optical Networking and Dense Wavelength Division Multiplexing (DWDM): This paper deals with the twin concepts of optical networking and dense wavelength division multiplexing. The paper talks about the various optical network architectures and the various components of an all-optical network like Optical Amplifiers, Optical Add/Drop Multiplexors, Optical Splitters etc. Important optical networking concepts like wavelength routing and wavelength...; Tags: DWDM, Optical Networking, Fiber Optics, Networking, Telecommunications; White papers 1999-11-24
Quantum?Dot?Based Photonic Devices: Adopting nanometer-sized semiconductor particles, called quantum dots, in the active regions of photonic devices provides the characteristics specific to 3-dimensional quantum effects. This will greatly improve the performance of photonic devices in many respects. This paper is developing quantum-dot lasers and quantum-dot optical amplifiers through joint research conducted with the...; Tags: Device, Fujitsu Ltd., Amplifier, Laser, Modulation, Semiconductors, Hardware; White papers 2007-10-01

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