Title :
Linearity improvement in photodetectors by using index-matching layer extensions
Author :
Murthy, S. ; Jung, T. ; Wu, M.C. ; Wang, Z. ; Hsin, W.
Author_Institution :
California Univ., Los Angeles, CA, USA
Abstract :
Uniform photocurrent densities can be achieved in waveguide photodetectors by tailoring the extension length of an index-matching layer in front of the diode. We demonstrate up to 9 dB improvement in RF linearity at 20 GHz.
Keywords :
integrated optoelectronics; optical waveguides; photodetectors; photodiodes; 20 GHz; RF linearity; diode; extension length; index-matching layer; index-matching layer extensions; linearity improvement; uniform photocurrent densities; waveguide photodetectors; Absorption; Bandwidth; Detectors; Diodes; Linearity; Optical device fabrication; Optical waveguides; Photoconductivity; Photodetectors; Radio frequency;
Conference_Titel :
Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE
Print_ISBN :
0-7803-7500-9
DOI :
10.1109/LEOS.2002.1159360
