The Application of Hybrid Photonic Integration to Quantum Key Distribution
Joseph Dolphin (University of Cambridge);
Taofiq K. Paraiso (Toshiba Europe Ltd);
Han Du (Toshiba Europe Ltd);
Andrew J Shields (Toshiba Europe Ltd)
[Abstract]Abstract: Hybrid integration has the potential to overcome various limitations of integrated photonic material platforms. Here, we present the results of applying edge-couple hybrid integration to produce high performance quantum key distribution chips. We show low quantum bit error rate operation (< 1%) and positive secure key rates over 250 km of fibre spool.
