Abstract
We show experimentally the presence of TM mode absorption resonance as a function of buffer thickness in planar metal-clad optical waveguides. Using Hg as the metal cladding, we have measured more than 20 dB of loss for the TM mode over about 1-mm length in a Ti-indiffused LiNbO3 waveguide.
© 1985 Optical Society of America
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