Quantum dot (QD) lasers enable intrinsically feedback-tolerant, isolator-free silicon photonic integrated circuits (PICs), eliminating the bulky optical isolators traditionally required to suppress ...

2 School of Medicine, University of Glasgow, Glasgow Royal Infirmary, Glasgow, G31 2ER, UK 3 School of Health and Wellbeing, University of Glasgow, Glasgow, UK Objectives To examine whether epidural ...