Two-channel waveguide modulator based on surface wave propagating in a semiconductor-metal thin-film structure
Ostrikov, K., Osmayev, O.A., & Azarenkov, N.A. (1995) Two-channel waveguide modulator based on surface wave propagating in a semiconductor-metal thin-film structure. Applied Physics A, 61(4), pp. 435-440.
The results of theoretical investigations of two-channel waveguide modulator based on Surface Wave (SW) propagation are presented. The structure studied consists of two n-type semiconductor waveguide channels separated from each other by a dielectric gap and coated by a metal. The SW propagates at the semiconductor-metal interface across an external magnetic field which is parallel to the interface. An external dc voltage is applied to the metal surface of one channel to provide a small phase shift between two propagating modes. In a coupled mode approximation, two possible regimes of operation of the structure, namely as a directional coupler and as an electro-optical modulator, are considered. Our results suggest new applications in millimeter and submillimeter wave solid-state electronics and integrated optics.
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|Item Type:||Journal Article|
|Divisions:||Current > QUT Faculties and Divisions > Science & Engineering Faculty|
|Deposited On:||21 Jul 2014 23:52|
|Last Modified:||21 Jul 2014 23:52|
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