We use a heterodyne NSOM with superluminescent diode illumination to measure the loss in an SOI waveguide around a bend. For a bend of radius 10 μm, we measure loss of .09 dB.
© 2009 The Optical Society
M. Ayache, M. Abashin, D. T. Tan, and Y. Fainman, "Broadband Heterodyne NSOM Characterization of Propagation Loss in Waveguide Bends," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper IMG5.
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