Linear interferometric modulators in Ti:LiNbO3 |
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| Authors: | Bulmer C Burns W |
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| Affiliation: | Naval Research Laboratory, Washington, DC, USA; |
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| Abstract: | Measurements are described on asymmetric interferometric channel waveguide modulators in Ti:LiNbO3at 0.83-μm wavelength. Modulation voltages and device transmissions are compared forX-, Y-andZ-cut substrates. An interferometer intrinsic phase bias ofsimpi/2allows linear modulation and we have observed linearity over 67 dB for a 3-kHz bandwidth. This dynamic range is limited by optical damage effects, of which the photovoltaic effect is the most critical. |
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