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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper CTuK43

Experimental and theoretical comparison of the adjustable Y-branch switch

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Abstract

We discuss a detailed experimental study of an optical switch with a Y-junction in which the two output arms can be turned on or off electrically. A crosstalk of less than -18 dB is measured at a wavelength of 1,06-μm in a device with a transition length of 400 μm and a branching angle of 4°. A numerical simulation using the finite difference beam propagation method (BPM) shows that a crosstalk of less than — 22 dB can be excepted for the same device dimensions.

© 1994 Optical Society of America

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