The invention relates to optical waveguide components, such as Faraday rotators and their manufacture. Faraday rotators based on silicon waveguides (40) are provided, where the waveguide (40) has folded or wound sections (41 a) that are parallel to an externally applied magnetic field (Bbias).
|Patent number||WO2019038477 A1|
|Publication status||Published - 28 Feb 2019|
|MoE publication type||Not Eligible|