A split-step time-domain model for the analysis of pulse delay characteristics through ring resonator all-pass filters (APF's) is developed and its accuracy is checked. The dependence of the delay time and pulse distortion on the coupling ratios is investigated using the model. It is observed that the bandwidth of the APF's needs to be wide enough to minimize the pulse distortion.
© 2013 Optical Society of Korea
(200.4490) Optics in computing : Optical buffers
(250.5460) Optoelectronics : Polymer waveguides
(230.4555) Optical devices : Coupled resonators
(060.6719) Fiber optics and optical communications : Switching, packet
Original Manuscript: September 6, 2013
Revised Manuscript: October 1, 2013
Manuscript Accepted: October 2, 2013
Published: October 25, 2013
Youngchul Chung, "Time-Domain Numerical Investigation of Ring Resonator Optical Delay Devices," J. Opt. Soc. Korea 17, 441-446 (2013)
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