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Transceivers for 300-m multimode links, based on a serial 10-Gb/s laser source and incorporating a receiver based on electronic dispersion compensation (EDC), are creating the first high-volume application for a 10-Gb Fabry-Perot (FP). A highly reliable and high-yield uncooled ridge FP laser is presented. The device shows excellent power characteristics in the 25÷150°C temperature range with very high T0 (95 K in the temperature range 0÷85°C and still 78 K at 150°C). Outstanding dynamic performances are also shown: 6 dB of extinction ratio can be achieved up to 110°C by using a constant current swing of 50 mA. Because of their enhanced performances, these devices have enabled single temperature setting of the optical module, leading to a significant test cost reduction.
Date of Publication: Jan. 2006