Dell’Oro: DWDM Mrket Up 19% in 2011
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Dell’Oro: DWDM market up 19% in 2011
Dell’Oro Group has released a new report that indicates 2011 was another good year for DWDM. According to the market research firm’s latest Optical Transport report, 2011 worldwide DWDM equipment market revenues grew 19% year over year to reach $7.3 billion.The good times should continue to roll in 2012, according to the report’s author.“Demand for 40- and 100-Gbps transmission is driving DWDM sales to new highs,” commented Jimmy Yu, vice president of optical transport research at Dell’Oro Group. “The total DWDM market, which includes both metro and long-haul applications, will likely maintain strong growth in 2012. We believe the total DWDM market is on a path to surpass the revenue levels reached back in 2000, when the DWDM market peaked at $7.7 billion. We’re forecasting the total DWDM market to reach $8.0 billion in 2012.”Dell’Oro’s research indicates the DWDM market grew across all the regions of the world, with North America accounting for the highest revenue. The combined market for 40-Gbps and 100-Gbps DWDM grew more than 60% and accounted for nearly one-third of all 2011 revenue.Huawei finished the year as the market share leader, followed by Ciena and Alcatel-Lucent.
u²t Photonics offers 64-Gbaud coherent photodetector
u²t Photonics AG has added what it asserts is the fastest coherent photodetector on the market to its line of coherent components. The CPDV1200R supports up to 64 Gbaud for use in designs targeting 400-Gbps or 1-Tbps optical transmission applications based on coherent detection.The CPDV1200R coherent detector module comprises a polarization diversity network as well as two 90° hybrids and four balanced photodiode pairs monolithically integrated on InP.The optical frontend, with four coaxial single-ended outputs and a typical bandwidth of 40 GHz, can detect up to 64-Gbaud polarization diversity x-QAM signals featuring high common mode rejection ratio and extremely low inter-polarization skew of less than 2 ps, u²t asserts. Such performance makes the device suitable not only for optical transmission requirements but for test and measurement applications and ongoing R&D activities as well, the company adds.u²t says it will start sampling the product in March 2012.
Burst-mode XG-PON1 for FTTH Vitesse chipset target
Vitesse Semiconductor Corp. (NASDAQ: VTSS) has introduced what it asserts is the first XG-PON1 OLT receiver chipset that can support burst-mode operation. Vitesse’s PON PRO chipset comprises the VSC7719 transimpedance amplifier (TIA) and VSC7729 post amplifier.“Today’s XG-PON1 solutions are mostly discrete, requiring several components, and face space constraints and performance challenges that cannot be supported in volume production. Our new PON PRO architecture solves builds on Vitesse’s field-proven technology to solve these challenges and advance Ethernet throughout IP Edge networks,” said Aditi Vaghashia, who is responsible for product marketing within Vitesse’s connectivity group. “With its high degree of integration and burst-mode capabilities, Vitesse’s solution can be used in industry-standard SFP modules, making it easy to support our customers ramping production of their XG-PON1 systems.”The new chipset architecture features on-chip monitoring of burst power for diagnostic purposes. Vitesse says that the PON PRO architecture’s integrated chip reset and monitor features obviate the need for external components to support burst mode operation. The set also offers APD sensitivity better than -33 dBm and overload performance better than -6 dBm, the company adds. Additional features include LVPECL/CML outputs and a reset through the data interface, which enables the use of standard TO-can headers in design of a BOSA. It also provides more than 24 dB of dynamic range, with support for all power budgets, including Class B+ and C.“Few component vendors can offer a settling time capable of meeting GPON or XG-PON1 OLT requirements,” commented Dr. Simin Cai, president and CEO at Go!Foton Corp., parent company of PON module vendor Zenko Technologies. “Vitesse has established the expertise to offer proven burst-mode architectures for this market.”The VSC7719 is sampling in bare die form, while the VSC7729 will be offered in a 16-pin 3-mm-square QFP-N package – small enough to fit in a SFF or SFP module along with a laser driver. Vaghashia tells Lightwave that the chipset is in trials with five or six customers. She expects the devices to be generally available either by the end of this year or the first quarter of 2013.
The above information is edited by 10GTEK.
10GTEK TRANSCEIVERS CO., LTD (Hereinafter refered to as 10GTEK) is specialized in developing and manufacturing Fiber Optical Transceivers and High Performance Cables which are wildly applied in Datacon, Telecom and CATV, providing customers with top quality and cost effective products. Our High Speed Cables cover Passive SFP+ Cable, Active SFP+ Cable, QSFP+ cables, MiniSAS (SFF-8088) Cables, CX4 Cables, Harness cables, Breakout Cables, Patchcords. We also manufacture Fiber Optic Transceivers like 10G XFP, 10G SFP+, SFP DWDM/ CWDM, GBIC, etc. The prompt response and excellent customer support contribute to clients‘ full satisfaction.Today, 10GTEK has been growing fast in the optical field for its unique and competitve excellence which has got a high attention from datacom and telecom.
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