Floquet-Bloch theory is used to determine the radiation loss of a grating-assisted directional coupler. Also, an analytic formula for the radiation loss is derived. Results from both the Floquet-Bloch theory and the analytic formula are compared with results obtained using coupled mode theory.
Radiation loss of grating-assisted directional couplers using the Floquet-Bloch theory
2003-01-01
69417 byte
Conference paper
Electronic Resource
English
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