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Features 2005 P1

Beyond bandwidth: QoS and service differentiation in GPON By Sayeed Rashid, Alcatel -- Ethernet-optimized GPON enables the cost-effective network transformation required to support tomorrow's high-bandwidth services without compromising service quality and security.
Eliminating measurement errors in optical transceivers By Jorge P. Sanchez, CEYX Technologies -- A new software-enabled control technology enables laser manufacturers to produce low-cost transceivers that automatically adjust laser performance for consistent operation over time.
Test systems using a Golden PLL: Understanding how clock recovery impacts results By Greg LeCheminant, Agilent Technologies -- Transmitter performance may be assessed in the context of receiver capability through a reference or "golden" PLL with performance similar to the clock extraction circuit of the system receiver. However, results observed when using PLLs can be counterintuitive and vary significantly depending on the test configuration.
Breaking physical barriers with electronic Dynamically Compensating Optics By Fady Masoud, Nortel -- Integrating eDCO features into the node eliminates the need for inline dispersion compensation equipment and enables multispan links of up to 2,000 km-all while maintaining the operational simplicity previously associated with 2.5-Gbit/sec networks.
Ensuring reliable delivery of triple-play bundled services over FTTx By John Williams, JDSU -- Service providers deploying FTTx networks need to follow a complete application-aware test and service assurance strategy in order to properly install, provision, and maintain the quality of new, IP-based services.
'X' marks the spot for FTTx access architectures By Stuart Benington, Tellabs --
With several varieties of access technology available, choosing the right one requires the matching of capabilities with requirements. FTTH and FTTC provide more flexibility and greater life spans than competing alternatives.
The increasing importance of extinction ratio in telecommunications By Bob Hasenick, Agilent Technologies, Inc. -- Defined and required by many standards, many variations of use between designers, manufacturers, and end users continue to plague the industry.
The no-pain way to multi-service optical transport By Sergiu Rotenstein and Troy Larsen, MRV Communications -- Pluggable optics, pared with other enabling technologies, add flexibility to metro and sub-metro networks.
Chirp-managed-laser technology delivers > 250-km reach By DANIEL MAHGEREFTEH and FRANK FAN, AZNA LLC -- Chirped managed lasers leverage adiabatic chirp to increase dispersion tolerance and enable longer distance transmission.
Efficiently transforming copper networks to fiber By MIGUEL ALONSO, Calix -- FTTP comes in an array of sizes and flavors that significantly complicates the process of seamlessly transforming the embedded copper infrastructure to fiber.
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