Abstract:A chip-scale solid-state wavelength measuring device based on a silicon photonics platform is presented. It has no moving parts and allows single-shot wavelength measurement with high precision over a nominal bandwidth of 40 nm in the Oband. The wavemeter design is based on multimode interferometer (MMI) couplers and a multi-band Mach-Zehnder interferometer (MZI) structure with exponentially increasing optical path differences and in-phase quadrature detection. The design of the MMI couplers is supported by si… Show more
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