We demonstrate a dual-step evanescently-coupled uni-traveling-carrier photodiode to minimize the dependence of responsivity on cleaved-length. High responsivity (0.9A/W), wide electrical bandwidth (~60GHz), and high saturation current-bandwidth product (>780mA-GHz) have been achieved simultaneously under 50Ω load.
© 2007 Optical Society of America
Y. -. Wu, P. -. Chiu, and J. Shi, " High-Speed and High-Power Performance of a Dual-Step Evanescently-Coupled Uni-Traveling-Carrier Photodiode at a 1.55μm Wavelength," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper OThG1.
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