Efficient second harmonic generation in nanophotonic waveguides for optical signal processing

Kevin Lenglé (1) , Laurent Bramerie (1) , Mathilde Gay (1) , Jean-Claude Simon (1) , Sylvain Combrié (2) , Gaëlle Lehoucq (3) , Alfredo de Rossi (2)

1 FOTON - Fonctions Optiques pour les Technologies de l'informatiON
2 Laboratoire Albert Fert (ex-UMPhy Unité mixte de physique CNRS/Thales)
3 Thales Research and Technology [Palaiseau]

We report very efficient second harmonic generation in membrane photonic crystal waveguide. The combination of absorption-free material and slow-light enhancement enables a large harmonic generation efficiency. A peak pump power of about 450 mW generates up to 45 lW peak second harmonic power over a broad spectral range. The signal is exploited to demonstrate optical performance monitoring of data at 42 Gb/s.

Domaines: Optique [physics.optics]

Kevin Lenglé, Laurent Bramerie, Mathilde Gay, Jean-Claude Simon, Sylvain Combrié, et al.. Efficient second harmonic generation in nanophotonic waveguides for optical signal processing. Applied Physics Letters, 2013, 102, pp.151114. ⟨10.1063/1.4802790⟩. ⟨hal-00845310⟩