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Enhanced Frequency Noise Discrimination Using Cavity-coupled Mach-Zehnder Interferometer

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posted on 2023-05-20, 16:10 authored by Mohamad Hossein Idjadi, Andrea Blanco-Redondo
Here, an enhanced frequency noise discriminator is proposed using a cavity-coupled Mach-Zehnder interferometer and demonstrated on a general-purpose programmable integrated photonics platform. The frequency noise measurement sensitivity is similar to the well-known Pound-Drever-Hall architecture but owns a passive, simpler, and more compact design. The proposed structure can be utilized in integrated laser frequency stabilization architectures.

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