Optical filtering and switching using counter-propagating wavelength converter |
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| Authors: | Y.-Q. Qin E. Wintner |
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| Affiliation: | (1) Institut für Photonik, Technische Universität Wien, Gusshausstrasse 27/387, A-, 1040 Wien, Austria; |
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| Abstract: | A high-efficiency optical filter, based on a counter-propagating wavelength converter in ZnTe, is theoretically demonstrated. The filter has extremely narrow bandwidth of 0.5 Å corresponding to pump 0.3 W power and 1 cm length of quasi-phase-matching (QPM) grating, tunable over several nanometers of bandwidth by combination of the grating length and pump power variation. The presented scheme is also a candidate for a wavelength-dependant switch. |
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| Keywords: | counter-propagating wavelength conversion nonlinear optics optical filtering optical switching |
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