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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