| 摘要 |
A reconfigurable optical device for wavelength-division multiplexing network s, comprising two waveguides (A, B) parallel to each other, with two-dimensiona l confinement, coupled by a bi-directional coupler (C), suitable to selectivel y drop one and only one of the channels composing the Wavelength-Division multiplexing signal (WDM); the device is reconfigurable as, by appropriately varying the wavelength of the combined pumping beam inside a first waveguide (A), any channel forming the WDM signal can be dropped.
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