Lightwave articles from June 2009

Lightwave archives from June 2009

Constellation analysis for 40G/100G.(Now showing on the Lightwave Channel)
June 1, 2009... Dr. Bernd Nebendahl, R&D engineer at Agilent, discusses constellation analysis, a technique borrowed from the RF world of measuring signals encoded in phase. He also demonstrates other useful measurement strategies for high-speed signal...

Bon mots from the Blog.(Lightwave Online)
June 1, 2009... As part of my research for a June issue article on 100G semiconductors (When will we see them?), I spoke with John D'Ambrosia in his role as a spokesman for the Ethernet Alliance. John also happens to be the head of the IEEE P802.3ba task force...

European cablecos get special treatment.(More Posts from the Lightwave Blog)
June 1, 2009... Aurora Networks has announced the NC2000, a new optical platform it developed for the European cable-TV market. In a pre-briefing I received on the announcement, I asked what was so European about it. The answers to that question provided an...

FTTXcellence Award.(Lightwave Online)
June 1, 2009... Know someone who has gone the extra mile for a last-mile fiber deployment in North America? Nominate them for the 2009 FTTXcellence Award. Co-sponsored by Corning Inc. and Lightwave, the FTTXcellence Award recognizes an individual for his or...

Quote of note.(Lightwave Online)
June 1, 2009... "This marks the second time in two quarters that the [optical networking] market has shrunk compared with the year-ago quarter, but given the global financial meltdown the situation could have been much worse." --Dana Cooperson, vice...

Hurry up and wait.(Editorial)
June 1, 2009... One of the themes underlying this month's "Tech Trends" article on chip development for 100-Gbps applications is the creation of a merchant ecosystem that will supply transceiver/transponder developers as well as system houses with the basic...

Minimizing the effects of PMD on transmissions.(polarization mode dispersion )
June 1, 2009... The effects of polarization mode dispersion (PMD) entail several risk factors. The phenomenon is influenced by the environment and, in turn, the quality of the transmission is constantly affected. That's why scientific communities work to...

Packet optical transport systems: the new POTS.(Technology: Advances in research, development, engineering, and standards)
June 1, 2009... OVERVIEW The proliferation of triple-play and mobile services has put a new spin on that familiar acronym. Packet optical transport equipment enables carriers to transition from legacy SONET/SDH networks to architectures better able to...

Ethernet Alliance starts 40GbE serial incubation effort.(OPTICAL EQUIPMENT Design Center)
June 1, 2009... The Ethernet Alliance (www.ethernetalliance.org) sponsored an incubation kick-off conference call to discuss the need for and timing related to starting a standards effort to support 40-Gigabit Ethernet using a serial physical layer optics...

ADVA selects Xelerated's network processor for carrier-class portfolio.(OPTICAL EQUIPMENT Design Center)
June 1, 2009... Xelerated (www.xelerated.com), a supplier of Carrier Ethernet ASSP-based chipsets, says that ADVA Optical Networking (www.advaoptical.com) has deployed its X11 network processor unit (NPU) in the ADVA FSP 3000 WDM system. Based on Xelerated's...

Mindspeed debuts 11.3G chipsets.(OPTICAL EQUIPMENT Design Center)
June 1, 2009... Mindspeed Technologies Inc. (www.mindspeed.com) has unveiled chipsets for 10-Gbps serial optical links. Mindspeed's new 11.3-Gbps product offering includes a high-sensitivity multirate limiting transimpedance amplifier (TIA), a linear TIA with...

100G chips slowly get up to speed.(Technology: TECH TRENDS)
June 1, 2009... OVERVIEW Advances must be made across an entire technical ecosystem before standards-based 100-Gbps transmission becomes a reality. That includes the ICs that will appear inside or next to optical modules. Semiconductors may not be the...

JDSU T&M head sees opportunities in current market.(TEST & MEASUREMENT Resource Center)(JDSU Communications Test and Measurement Business Segment )
June 1, 2009... Despite the current recession, JDSU Communications Test and Measurement Business Segment president David Holly recently told Lightwave that he sees plenty of opportunities for his group. In part that's because the market today isn't as stagnant...

JGR Services earns ISO:17025:2005 lab accreditation.(TEST & MEASUREMENT Resource Center)
June 1, 2009... JGR Services Inc. (www.jgrservices.com), a calibration and repair laboratory and manufacturer of test and measurement instrumentation, has received ISO:17025:2005 Laboratory Accreditation for Calibration of Fiberoptic Instrumentation. JGR...

Implementing cost-effective mobile backhaul services in the metro.(Applications: Innovative component, subsystem, system, and network design examples and alternatives)
June 1, 2009... OVERVIEW The Metro Ethernet Forum's new MEF 22 implementation agreement paves the way for Ethernet mobile backhaul services--but doesn't spell out which metro packet network architecture to use. The three primary options are Ethernet...

Do you need protection and redundancy in your metro Ethernet network?(Applications: CASE BY CASE)
June 1, 2009... OVERVIEW A variety of standards-compliant approaches to protection are now possible, enabled by hardware-based continuity check message generators and checkers. The right approach depends on the application. Ethernet is the preferred...

Rural broadband providers do better than urban counterparts.(FTTX Resource Center)
June 1, 2009... A new market report from telecom market research firm Pivot Media (pivot-media.com) reveals rural service providers enjoyed slightly better sequential broadband growth in 2008 than urban providers. While growth in broadband slowed dramatically...

Delhi Telephone selects Enablence as exclusive FTTH supplier.(FTTX Resource Center)
June 1, 2009... Enablence Technologies Inc. (www.enablence.com) says that the Delhi Telephone Co. in Delhi, NY, agreed to a purchase order valued at more than $1 million for equipment to facilitate its FTTH network deployment. With a steady increase in...

VPIsystems brings fiber to the home with planning module.(FTTX Resource Center)
June 1, 2009... VPIsystems (www.vpisystems.com) has enhanced its FTTX planning module to support PON architectures. OnePlan Access for FTTX v 2.0 is a planning and decision support system for outside plant planning of next-generation access networks. The...

Changing paradigms affect cellular networks.(Industry: Opportunities, market intelligence, and forecasts to improve your bottom line)
June 1, 2009... OVERVIEW The advent of 3G and 4G services puts greater pressure than ever on all aspects of a cellular network. Advances in optical communications at the systems and cabling levels make fiber an even better choice for burgeoning backhaul...

SONET/SDH eclipses WDM in the metro--but for how long?(Industry: STRATEGY AND ANALYSIS)
June 1, 2009... OVERVIEW Countervailing trends have simultaneously kept the SONET/SDH market afloat and foretold its demise. However, it appears the headwinds the market faces are getting stronger. The optical network has been evolving to accommodate...