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NEC Corporation Announces Extended Reach XFP Transceiver Based on AZNA CML TOSA.



Tokyo, Japan, Mar 27, 2007 - (JCN Newswire) - NEC (NEC Corporation, Tokyo, www.nec.com, www.necus.com) An electronics conglomerate known in the U.S. for its monitors. In Japan, it had the lion's share of the PC market until the late 1990s (see PC 98).

NEC was founded in Tokyo in 1899 as Nippon Electric Company, Ltd.
 has demonstrated an extended reach 10 Gbps XFP transceiver for 160 km links without dispersion compensation. This transceiver leverages NEC's Planar Lightwave Circuit (PLC) technologies with AZNA's extended reach Chirp See chirped pulse and CHRP.  Managed Laser (CML 1. CML - A query language.

["Towards a Knowledge Description Language", A. Borgida et al, in On Knowledge Base Management Systems, J. Mylopoulos et al eds, Springer 1986].
2. CML - Concurrent ML.
) technology for a potentially low cost, compact transmitter optical subassembly (TOSA Tosa

Historic region of the Japanese island of Shikoku. It dates at least to the Heian period, when Ki no Tsurayuki (868?–945?), editor of Japan's first imperially commissioned poetry anthology, wrote a fictional diary drawing on his experiences as governor of Tosa.
). This transceiver addresses the demand for high density pluggable optics and eliminates the need for dispersion compensation in 2.5 Gbps to 10 Gbps upgrades.

Optical transmitter modules are optical devices used in optical interfaces of equipment such as large-capacity optical communications systems and high-speed router switches. Since conventional electro-absorption modulator integrated lasers (EML) or Mach-Zehnder modulators used in long-distance transmission are limited to a distance of around 80 km there has been demand for longer-range capability.

In a joint effort the two companies have demonstrated a compact PLC based CML TOSA, which allows further miniaturization min·i·a·tur·ize  
tr.v. min·i·a·tur·ized, min·i·a·tur·iz·ing, min·i·a·tur·iz·es
To plan or make on a greatly reduced scale.



min
 of AZNA's CML transmitters. The Chirp Managed Laser (CML) uses a standard DFB DFB

acronym for dark, firm, dry meat. Called also dark cutting beef.
 laser and a passive optical spectrum reshaper (OSR) filter to achieve extended reach. NEC has developed a PLC-based OSR which can replace the current bulk version of the OSR used in AZNA products. The PLC based CML reduces parts count and allows passive optical alignment, which allows mass production leading to a lower cost.

The XFP transceiver with a CML-TOSA is scheduled for display at OFC 2007 (Optical Fiber Communication Conference and Exhibition) being held in Anaheim, California from March 27, 2007. It will be exhibited at the NEC FiberOptech, Inc. booth (#1241).

About NEC Corporation

NEC Corporation (TSE See Tokyo Stock Exchange.

TSE

1. See Tokyo Stock Exchange (TSE).

2. See Toronto Stock Exchange (TSE).
: 6701; NASDAQ NASDAQ
 in full National Association of Securities Dealers Automated Quotations

U.S. market for over-the-counter securities. Established in 1971 by the National Association of Securities Dealers (NASD), NASDAQ is an automated quotation system that reports on
: NIPNY) is one of the world's leading providers of Internet, broadband network and enterprise business solutions dedicated to meeting the specialized needs of its diverse and global base of customers. NEC delivers tailored solutions in the key fields of computer, networking and electron devices, by integrating its technical strengths in IT and Networks, and by providing advanced semiconductor solutions through NEC Electronics Corporation. The NEC Group employs more than 150,000 people worldwide. For additional information, please visit the NEC home page at: http://www.nec.com or the Newsroom: http://www.nec.co.jp/press/en/

Source: NEC Corporation

Contact:
NEC Corporation
Takehiko Kato (Japan)
Tel: +81-3-3798-6511
E-mail: t-kato@cj.jp.nec.com

AZNA LLC
Frank Fan
Tel: +1-978-642-2032
E-mail: frank.fan@aznacorp.com


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COPYRIGHT 2007 Japan Corporate News Network K.K.
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Publication:JCN Newswires
Date:Mar 27, 2007
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