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Coupling of modes analysis of resonant channel add-drop filters

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6 Author(s)
Manolatou, C. ; Dept. of Electr. Eng. & Comput. Sci., MIT, Cambridge, MA, USA ; Khan, M.J. ; Shanhui Fan ; Villeneuve, Pierre R.
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The operation principle of resonant channel add-drop filters based on degenerate symmetric and antisymmetric standing-wave modes has been described elsewhere using group theoretical arguments. In this paper, the analysis is carried out using coupling of modes in time. A possible implementation of such a filter is a four-port system utilizing a pair of identical single-mode standing wave resonators. The analysis allows a simple derivation of the constraints imposed on the design parameters in order to establish degeneracy. Numerical simulations of wave propagation through such a filter are also shown, as idealized by a two-dimensional geometry

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Quantum Electronics, IEEE Journal of  (Volume:35 ,  Issue: 9 )