Worldwide optical market revenues grew 3 percent year-over-year in the third quarter, reversing the trend of revenue declines that started in the fourth quarter of 2008, according to a new report from Dell'Oro Group. The positive result in the optical market was attributed to improved demand across all regions with particular strength in the Americas. The leading optical vendors in the quarter were Huawei, Alcatel-Lucent, and Ciena with a combined worldwide market share of nearly 50 percent.WDM equipment benefited the greatest from this increasing...