Photonic crystal-based integrated optics for advanced ultra-fast all-optical signal processing

Kiyoshi Asakawa; Yoshimasa Sugimoto

doi:10.1117/12.629087

30 September 2005 Photonic crystal-based integrated optics for advanced ultra-fast all-optical signal processing

Kiyoshi Asakawa, Yoshimasa Sugimoto

Proceedings Volume 5956, Integrated Optics: Theory and Applications; 59560U (2005) https://doi.org/10.1117/12.629087
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

Fundamental technologies of GaAs-based two-dimensional photonic crystals (2DPCs) and an application to ultra-small photonic integrated devices/circuits including future ultra-fast all-optical signal processing devices are reviewed. The review is focusing on the precise nano-fabrication of air-hole lattices and resultant excellent 2DPC waveguide characteristics. Demonstrated results include low propagation loss, high transmittance spectra with large out-of band attenuation in a near infrared region, wavelength-selective directional coupler operation, successful experimental simulation on an optical interference in intentionally designed asymetric MZ waveguide pattern and large nonlinear phase-shift appearance at low excited energy. Application of these results to an ultra-small and ulta-fast symmetric Mach-Zehnder type all-optical switch resulted in the measured switching window width of 15 ps and switching energy of 100 fJ at a 1.3-μm wavelength.

Citation Download Citation

Kiyoshi Asakawa and Yoshimasa Sugimoto "Photonic crystal-based integrated optics for advanced ultra-fast all-optical signal processing", Proc. SPIE 5956, Integrated Optics: Theory and Applications, 59560U (30 September 2005); https://doi.org/10.1117/12.629087

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