The variationality of a weak-form relation for solving guided-mode problems in linear graded-index media is shown to be provable in an intuitive fashion. A connection with variational crimes is discussed.
机构:
Tel Aviv Univ, Sch Elect Engn, Fac Engn, Dept Phys Elect, IL-69978 Tel Aviv, Israel
ITMO Univ, St Petersburg 197101, RussiaTel Aviv Univ, Sch Elect Engn, Fac Engn, Dept Phys Elect, IL-69978 Tel Aviv, Israel