A novel technique is proposed to realise temperature-insensitive Bragg gratings in silica-based lightwave circuits on Si using a bimetal plate. A wavelength shift < 0.15nm is successfully demonstrated between -40 and 80°C in the Bragg gratings written in a Mach-Zehnder interferometer.

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Persistent URL dx.doi.org/10.1049/el:19991269
Journal Electronics Letters
Hibino, Y. (Y.), Abe, M. (M.), Tanaka, T. (T.), Himeno, A. (A.), Albert, J, Johnson, D.C. (D. C.), & Hill, K.O. (K. O.). (1999). Temperature-insensitive UV-induced Bragg gratings in silica-based planar lightwave circuits on Si. Electronics Letters, 35(21), 1844–1845. doi:10.1049/el:19991269