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This paper presents a new simulation method for modeling and simulation of high-density integrated optical circuits based on high index contrast (HIC) waveguides with complex topology. The method combines the time-domain reflective beam propagation method (TD-RBPM) and the slow-wave finite-difference time-domain method and is hence referred to as the time-domain hybrid BPM (TD-HBPM). It is capable of handling arbitrary optical integrated circuits with perpendicularly located input and output ports. The application to the two HIC optical circuits shows the accuracy and efficiency of this method.
Selected Topics in Quantum Electronics, IEEE Journal of (Volume:11 , Issue: 2 )
Date of Publication: March-April 2005