Optical Equipment Design Center

Th 319836
Th 319836

JDSU (www.jdsu.com) has released what it asserts is the industry's first monolithically integrated and tunable optical transceiver. The company's tunable XFP transceiver is 85% smaller than previous tunable products, which it says allows network equipment manufacturers to pack more transceiver interfaces into a system or to deploy smaller systems within a network node. This in turn opens up valuable real estate for their service provider customers in network central offices. JDSU began sampling the transceiver in 2008 and expects to ship in volume by summer of 2009.

Finisar Corp. (www.finisar.com), Opnext Inc. (www.opnext.com), and Sumitomo Electric Industries Ltd./Excelight Communications Inc. (www.sumitomo.com/www.excelight.com) have entered into a multisource agreement (MSA) to define a hot-pluggable optical transceiver form factor to enable 40- and 100-Gbps applications, including next-generation high-speed Ethernet (40GbE and 100GbE). The CFP MSA uses features such as advanced thermal management, EMI management, and 10-Gbps signal integrity design to define the transceiver mechanical form factor, the optical connector, the 10�10-Gbps electrical connector with its pin assignments, the MDIO-based transceiver management interface, and the hardware required on the system host board.

OKI Electric Industry (www.oki.com) and the National Institute of Information and Communications Technology (NICT) have announced that OKI has developed a technology to precisely suppress polarization-mode dispersion (PMD). Using a “PMD Suppressor,” OKI and NICT say they succeeded in an operational test using a 160-Gbps optical signal. Using this technology, ultrahigh-speed optical communication not limited to short distances due to PMD can be achieved over existing fiber networks, the parties conclude. The study results are based on NICT's commissioning research.

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