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Photorefractive Two-Beam Coupling Device Using Polymeric Materials
Takafumi Sassa, Takeshi Fujihara, Yosuke Takeda, Tsuyoshi Muto, Shinsuke Umegaki and Tatsuo Wada

Two-beam coupling devices with two input ports for a signal beam were fabricated using photo-refractive polymeric materials. By switching the input port, two-mode operation of a signal was demonstrated, i.e. the passive control with a fanning beam and the active control with a pump beam.

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