Ring resonator-based Tunable Optical Delay Line in LPCVD Waveguide Technology


Roeloffzen, C.G.H. and Zhuang, L. and Heideman, R.G. and Borreman, A. and Etten, W. van (2005) Ring resonator-based Tunable Optical Delay Line in LPCVD Waveguide Technology. In: IEEE/LEOS Benelux Chapter 2005 Annual Symposium, December 1-2, 2005, Mons, Belgium (pp. pp. 79-82).

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Abstract:Optical circuits providing a time delay to signals modulated on optical carriers are considered important for optical communication systems and phased array antennas. A continuously tunable optical delay line is demonstrated in low-cost CMOS compatible LPCVD planar waveguide technology. The device consists of three cascaded ringresonator all-pass filters with fixed circumference of 2 cm (delay of 0.12 ns and FSR of 8.4 GHz). The measured group delay ranges from 0 ns up to 1.2 ns with a bandwidth of 500 MHz and delay ripple smaller than 1 ps, which is in accordance with the calculations.
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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