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Updated: Feb 9, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Enhanced localization of light in slow wave slot photonic crystal waveguides
Charles Caer1, Xavier Le Roux, Eric Cassan
1Institut d’Électronique Fondamentale, Université Paris-Sud 11, CNRS UMR 8622, Orsay, France.
Abstract:
A flexible design of slot photonic crystal waveguide with a wide comb is investigated. Introduction of a carefully designed comb within the photonic crystal waveguide allows an accurate dispersion engineering in order to achieve slow light and increase the optical confinement within the comb. The strong light confinement results in an extremely small nonlinear effective area around 0.015 μm2. We report experimental realization of a comb photonic crystal waveguide with measured group indices higher than 100 in a Mach-Zehnder interferometer configuration and extract losses limited to 3.7 dB for a 100 μm device at n(g)=37.
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