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REDWOOD CITY, Calif.—August 20, 2015In a recently published report from Dell’Oro Group, the trusted source for market information about the telecommunications, networks, and data center IT industries, the total wavelength division multiplexer (WDM) equipment market grew 23 percent sequentially in the second quarter 2015.  During this period, WDM Metro equipment used mainly in metro and regional applications grew at a rate slightly higher than that of DWDM Long Haul, attaining a new record quarterly revenue level of $1.4 billion.

The vendor landscape is highly fragmented with over twenty equipment manufacturers actively selling WDM Metro equipment.  In the quarter, only three vendors—Ciena, Huawei, and ZTE—grabbed more than 10 percent share of the market each, and held a combined market share of 50 percent.

“Demand for WDM equipment in metro applications is reaching new levels,” said Jimmy Yu, Vice President of Optical Transport research at Dell’Oro Group.  “We think this is just the beginning and we’re very excited by all the market activity such as vendor consolidation, new market development, and product innovation.  We’re predicting the WDM Metro market to grow 10 percent for full-year 2015 driven by rising use of WDM systems for mobile and fixed backhaul as well as data center interconnect.  We anticipate 100 Gbps wavelength shipments to grow through the year, and for 200 Gbps wavelength shipments to reach significant volumes by year-end,” added Mr. Yu.

About the Report

The Dell’Oro Group Optical Transport Quarterly Report offers complete, in-depth coverage of the market with tables covering manufacturers’ revenue, average selling prices, unit shipments (by speed including 40 Gbps, 100 Gbps, and >100 Gbps).  The report tracks DWDM long-haul terrestrial, WDM metro, multi-service multiplexers (SONET/SDH), optical switch, and optical packet platforms.  To purchase this report, call Matt Dear at +1.650.622.9400 x223 or email

 About Dell’Oro Group

Dell’Oro Group is a market research firm that specializes in strategic competitive analysis in the telecommunications, networks, and data center IT markets.  Our firm provides in-depth quantitative data and qualitative analysis to facilitate critical, fact-based business decisions.  For more information, contact Dell’Oro Group at +1.650.622.9400 or visit