The TOSA and ROSA both use low-loss optical multiplexer and de-multiplexer to achieve high optical coupling efficiency and thereby maintain high performance.
The optical-multiplexer integrated TOSA achieves high output power of 2.5 dBm per lane. Quad DML driver and high-power direct-modulated laser provide a low power consumption 1.6 W maximum. The package size is only 21.3 x 5.3 x 6.7 mm.
The ROSA offers a high sensitivity of -8.6dBm in OMA. Consuming only 0.9 W, the ROSA features a high-speed PIN detector and high-sensitivity quad TIA. The package size is only 15.4 x 5.3 x 6.7 mm.
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About Sumitomo Electric Industries, Ltd.
Sumitomo Electric Industries, Ltd. produces a wide range of products from optical fibers, cables and components to electronic devices and automotive parts. Through effective research and diversification, Sumitomo Electric has become one of the world's leading companies in the field of information and communications technology. The Company operates in more than 30 countries, employing 190,000 people. Sumitomo Electric reported group net sales of $25 billion for the fiscal year ended March 2012.