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- Genetic-algorithm assisted design of C-band CROW-miniaturized PCW interleaver
- Rosa, Lorenzo; Saitoh, Kunimasa; Kakihara, Kuniaki; Koshiba, Masanori
- We investigate the design of a miniaturized C-band photonic-crystal waveguide (PCW) interleaver, employing coupled-resonator optical waveguide (CROW) ring resonators. An optimization approach based on a genetic algorithm (GA) has been applied to the filter components, such as tapers and directional couplers, leading to low reflection and high phase linearity. To evaluate the interleaver transmittivity function, an S-matrix approach is worked out, based on the optimized building blocks. A sensitivity analysis is performed to evaluate the effect of parameter tolerances.
- Publication type
- Journal article
- Journal of Lightwave Technology, Vol. 27, no. 14 (Jul 2009), pp. 2678-2687
- Publication year
- FOR Code(s)
- 0205 Optical Physics; 0906 Electrical and Electronic Engineering
- Building block; Circular waveguides; Coupled-resonator optical waveguides; Directional couplers; Effect of parameters; Filter components; Finite-element methods; Genetic algorithms; Integrated optoelectronics; Interleaver; Optical directional couplers; Optical filters; Optical waveguide filters; Optical waveguides; Optimisation approach; Phase linearity; Photonic crystal waveguide; Resonators; Ring resonator; Scattering matrices; Sensitivity analysis; S-matrix; Transmittivity
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