Fast piezoelectrically driven optical 2x2 switch

Rolf Goering; Frank Wippermann; Kay Kubitz

doi:10.1117/12.426913

16 May 2001 Fast piezoelectrically driven optical 2x2 switch

Rolf Goering, Frank Wippermann, Kay Kubitz

Proceedings Volume 4290, Optoelectronic Integrated Circuits and Packaging V; (2001) https://doi.org/10.1117/12.426913
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

We present a novel design of a microoptical fiberoptic 2 x 2 and 1 x 2 switch. The fiber input and output ports are realized with the use of silicon V-grove fiber arrays. The input beams are collimated by a microlens array consisting of two lenslets, separated by the same pitch as the fibers. These two collimated beams which are extremely parallel to each other, are focused into one spot by a simple plan- convex lens. The focal length of the microlenses and this plano-convex lens determine the magnification of the mode field diameter of the fiber. Switching is performed by using a special two-sided high reflectivity mirror placed in the focal plane of the plano-convex lens, with the use of a high speed piezoelectric actuator. For the microlens array- fiber array mounting process a special setup has been built up, allowing for semi-automatic alignment. The assembly technology for all the single components and modules is described, gluing is used as the main fixing techniques. First prototypes show excellent optical parameters (1.5 dB insertion loss, -70 dB crosstalk) and very short switching time of 0.3 ms.

Citation Download Citation

Rolf Goering, Frank Wippermann, and Kay Kubitz "Fast piezoelectrically driven optical 2x2 switch", Proc. SPIE 4290, Optoelectronic Integrated Circuits and Packaging V, (16 May 2001); https://doi.org/10.1117/12.426913

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