Title :
Optimization of Photodiode Bandwidth Employing Peak Distortion Analysis
Author :
Jung Han Choi ; Bach, H.-G.
Author_Institution :
Fraunhofer Heinrich-Hertz Inst., Berlin, Germany
Abstract :
This paper addresses the systematic approach to optimize series inductance in the inductively peaked pin photodiode for high speed operation beyond 100 Gb/s. For this end, peak distortion analysis is introduced in addition to group delay dispersion technique. Through analytical analysis and comprehensive numerical simulations, inductance values are calculated to optimize vertical eye-opening and signal-to-noise ratio. For verification, an optical waveguide integrated pin photodiode with optimized inductance is fabricated and measured. Using the optical pulse measurement setup, its pulse response is measured, and a full-width at half maximum of 7.34 ps is obtained. The fabricated module is tested using 107 Gb/s return-to-zero signal and shows excellent eye-opening.
Keywords :
inductance; integrated optoelectronics; optical distortion; optical fabrication; optical testing; optical variables measurement; optical waveguides; p-i-n photodiodes; analytical analysis; bit rate 107 Gbit/s; comprehensive numerical simulations; full-width at half maximum; group delay dispersion technique; high speed operation; inductively peaked pin photodiode; optical pulse measurement setup; optical waveguide integrated pin photodiode; peak distortion analysis; photodiode bandwidth; pulse response; return-to-zero signal; series inductance; signal-to-noise ratio; vertical eye-opening; Bandwidth; Delays; Equivalent circuits; Inductance; Integrated circuit modeling; Optical distortion; Signal to noise ratio; 100 Gb/s; Inter-symbol interference; optical waveguide; peak distortion; photodiode; pin diode; signal to noise ratio;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2013.2265097
