Photorefractive integrated-optical switch arrays in LiNbO3
Optics Letters, Vol. 15, Issue 1, pp. 30-32 (1990)
http://dx.doi.org/10.1364/OL.15.000030
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Abstract
A new optical switch design is reported that consists of two sets of parallel channel waveguides intersecting at right angles. Arrays based on Ti:LiNbO3 technology, with waveguide intersections iron doped to provide photorefractive sensitivity, have been fabricated. Interfering guided beams are used to write index gratings at the waveguide intersections, which in turn diffract a portion of an incident signal beam into the crossing waveguide. Arrays ranging from 15 × 15 up to 50 × 50 waveguides are constructed in an active area of 5 mm × 5 mm. Diffraction efficiency and writing-time measurements are reported along with a proposal for a practical architecture.
© 1990 Optical Society of America
Citation
Lewis B. Aronson and Lambertus Hesselink, "Photorefractive integrated-optical switch arrays in LiNbO3," Opt. Lett. 15, 30-32 (1990)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-15-1-30
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