@article{article, title  = {{Optical switching in an asymmetric Fabry–Perot with high contrast ratio and very low insertion loss}},

 publisher = {{Institution of Engineering and Technology (IET)}},

 url = {{https://doi.org/10.1049/el:19910413 }},

 year = {{1991}},

 month = {{4}},

 author = {{Heffernan JF and Moloney MH and Hegarty J and Roberts JS}},

 doi = {{10.1049/el:19910413}},

 volume = {{27}},

 journal = {{Electronics Letters}},

 issue = {{8}},

 pages = {{659-660}},

 note = {{Accessed on 2025/11/25}}}