U. A. Korai, Alaine H. Bermello, M. Strain, I. Glesk, A. V. Velasco
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Abstract
We present a design for a temperature insensitive Mach-Zehnder interferometer in which temperature-compensating segment is achieved through tailored subwavelength gratings. By engineering the thermal response and the relative length of this segment, an overall temperature insensitivity below ±4pm/°K is predicted for 100nm bandwidth around 1550nm.
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