TY  - RPRT
TI  - Optical filter architecture for approximating any 2 X 2 unitary matrix.
AU  - C K Madsen
AU  - P Oswald
PY  - 2003
DO  - 10.1364/ol.28.000534
UR  - https://pubmed.ncbi.nlm.nih.gov/12696607/
ID  - 12696607
ER  -