Title :
Ultrafast Efficient Photodiodes Exceeding 100 GHz Bandwidth
Author_Institution :
Fraunhofer Inst. for Telecommun., Berlin
Abstract :
A family of ultrafast photodetectors based on evanescently coupled photodiodes, is described. The waveguide-integrated detectors are monolithically integrated with bias-Ts, coplanar transmission lines and MMI-couplers, employing semi-insulating optical waveguides on a semi-insulating InP:Fe substrate. The integration scheme is explained and demonstrated by examples of miniaturized ultra-broadband-, traveling wave-, and narrowband photodetectors, operating up to frequencies exceeding 120 GHz.
Keywords :
III-V semiconductors; MIMIC; coplanar transmission lines; high-speed optical techniques; indium compounds; integrated optoelectronics; iron; micro-optics; millimetre wave couplers; optical couplers; optical waveguides; photodetectors; photodiodes; InP:Fe; MMI-couplers; coplanar transmission lines; evanescently coupled photodiodes; integration scheme; miniaturized ultra-broadband photodetectors; monolithical integration; semiinsulating optical waveguides; ultrafast efficient photodiodes; ultrafast photodetectors; waveguide-integrated detectors; Bandwidth; Coplanar transmission lines; Coplanar waveguides; Couplings; Integrated optics; Optical surface waves; Optical waveguides; Photodetectors; Photodiodes; Ultrafast optics;
Conference_Titel :
Indium Phosphide & Related Materials, 2007. IPRM '07. IEEE 19th International Conference on
Conference_Location :
Matsue
Print_ISBN :
1-4244-0875-X
Electronic_ISBN :
1092-8669
DOI :
10.1109/ICIPRM.2007.381125
