Demonstration of a mode-conversion cavity add-drop filter |
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| Authors: | Pruessner Marcel W Khurgin Jacob B Stievater Todd H Rabinovich William S Bass Robert Boos J Brad Urick Vincent J |
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| Institution: | Naval Research Laboratory (NRL), Washington, District of Columbia 20375, USA. marcelwp@ccs.nrl.navy.mil |
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| Abstract: | We experimentally demonstrate a new type of add-drop filter incorporating an asymmetric Y-branch waveguide coupler and a shifted-grating mode-conversion cavity. The device relies on mode separation in the asymmetric Y-branch and wavelength-selective mode conversion upon reflection from the shifted-grating cavity. Add-drop functionality is demonstrated in a three-port integrated silicon-on-insulator device. |
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