Vol. 38

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2013-03-08

All-Optical Delay Module Using Cascaded Polymer All-Pass-Filter Ring Resonators

By Jaeseong Kim, Yoonyoung Ko, Hyosuk Kim, Hwa-Sung Kim, and Youngchul Chung
Progress In Electromagnetics Research Letters, Vol. 38, 89-100, 2013
doi:10.2528/PIERL13012501

Abstract

An APF (All-Pass Filter) delay module in which eight single-ring resonators are serially cascaded is designed and fabricated. The polymer waveguide used for the realization of the APF delay module is a buried structure whose core width and height are 1.5μm. The core and cladding index are 1.51 and 1.378, respectively, which corresponds to the relative index difference of 8%. In order to use a thermo-optic effect of polymer materials, electrodes are evaporated above the ring resonator to provide heating currents. The time delay is measured to be about 50 ps when 2 rings are in resonance, and about 105 ps and 150 ps, respectively, when 4 and 6 rings of APF are in resonance, respectively. When all of 8 rings are in resonance, the delay is measured to be about 200 ps.

Citation


Jaeseong Kim, Yoonyoung Ko, Hyosuk Kim, Hwa-Sung Kim, and Youngchul Chung, "All-Optical Delay Module Using Cascaded Polymer All-Pass-Filter Ring Resonators," Progress In Electromagnetics Research Letters, Vol. 38, 89-100, 2013.
doi:10.2528/PIERL13012501
http://www.jpier.org/PIERL/pier.php?paper=13012501

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