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Ultrafast, high-power 1.55 mu m side-illuminated photodetector with integrated spot size converter

: Umbach, A.; Trommer, D.; Steingrüber, R.; Seeger, A.; Ebert, W.; Unterborsch, G.

Koch, T. ; IEEE Communications Society; IEEE Lasers and Electro-Optics Society; Optical Society of America -OSA-, Washington/D.C.:
Optical Fiber Communication Conference 2000. Technical digest. Postconference edition : March 7 - 10, 2000, Baltimore Convention Center, Baltimore, Maryland, OFC 2000, [25th anniversary]
Washington, DC: OSA, 2000 (Trends in optics and photonics series 37)
ISBN: 1-557-52630-3
ISBN: 0-7803-5952-6
ISBN: 0-7803-5953-4
Optical Fiber Communication Conference (OFC) <2000, Baltimore/Md.>
Conference Paper
Fraunhofer HHI ()
high-speed optical techniques; infrared detectors; optical planar waveguides; p-i-n photodiodes; photodetectors; waveguide components; ultrafast high-power side-illuminated photodetector; integrated spot size converter; waveguide-integrated p-i-n diodes; inp; monolithic integration; spot size transformer; responsivity; fiber alignment tolerances; 40 Gbit/s; 1.55 mum

40 Gbit/s photodetectors require high bandwidth at high power levels, as supplied by waveguide-integrated p-i-n diodes on InP. By monolithic integration of a spot size transformer a responsivity of 0.5 A/W is achieved and fiber alignment tolerances are increased by one order of magnitude.