Electrooptic ferroelectric Na/sub 0.5/K/sub 0.5/NbO/sub 3/ films |
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| Authors: | M Blomqvist S Khartsev A Grishin |
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| Affiliation: | Dept. of Microelectron. & Inf. Technol., R. Inst. of Technol., Stockholm-Kista, Sweden; |
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| Abstract: | We report on waveguiding and electrooptic properties of epitaxial Na/sub 0.5/K/sub 0.5/NbO/sub 3/ films grown by radio-frequency magnetron sputtering on Al/sub 2/O/sub 3/(11_02) single crystal substrates. High optical waveguiding performance has been demonstrated in infrared and visible light. The in-plane electrooptic effect has been recorded in transmission using a transverse geometry. At dc fields, the effective linear electrooptic coefficient was determined to 28 pm/V, which is promising for modulator applications. |
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