[CFA12E] Advanced Designs of Silicon Photonics Devices

[CFA12E-04] Low-loss adiabatic silicon chip-to-fibre couplers in the mid-infrared and applications to nonlinear optics

*Dominic Ashley Sulway^1,2, Yuya Yonezu⁴, Lawrence Mark Rosenfeld^2,1, Pisu Jiang², John G Rarity², Takao Aoki³, Joshua W Silverstone² (1. University of Bristol CDT (UK), 2. University of Bristol QETLabs (UK), 3. Waseda University (Japan), 4. NTT Japan Basic Research Laboritories (Japan))

[Presentation Style] Onsite

Utilising novel, low-loss couplers (–0.58 dB), we characterise a potential TE0 pair-photon source via stimulated four-wave mixing in a phase-matched, air-clad 220 nm silicon waveguide. This is the lowest insertion-loss nonlinear behaviour characterised at 2 μm wavelengths