TY - JOUR T1 - Optical switching in an asymmetric Fabry–Perot with high contrast ratio and very low insertion loss JO - Electronics Letters UR - https://doi.org/10.1049/el:19910413 PY - 1991/04/11 AU - Heffernan JF AU - Moloney MH AU - Hegarty J AU - Roberts JS ED - DO - DOI: 10.1049/el:19910413 PB - Institution of Engineering and Technology (IET) VL - 27 IS - 8 SP - 659 EP - 660 Y2 - 2025/12/15 ER -