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Picosecond all-optical switching using nonlinear Mach–Zehnder with silicon subwavelength grating and photonic wire arms

Glesk, Ivan and Bock, P. J. and Cheben, Pavel and Schmid, Jens H. and Lapointe, Jean François and Janz, Siegfried (2012) Picosecond all-optical switching using nonlinear Mach–Zehnder with silicon subwavelength grating and photonic wire arms. Optical and Quantum Electronics, 44 (12-13). pp. 613-621. ISSN 0306-8919

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Abstract

We investigate the picosecond switching capabilities of a planar waveguide interferometric photonic device when used for all-optical wavelength conversion of one picosecond pulses. Our device comprises a subwavelength grating waveguide arm and a photonic wire waveguide arm in a Mach–Zehnder configuration, fabricated on the silicon-on-insulator material platform. No detrimental effects of pulse broadening for transient pulses were observed.