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A chip-scale optical frequency reference for the telecommunication band based on acetylene



Roy Zektzer, Matthew T. Hummon, Liron Stern, Yefim Barash, Noa Mazurski, John Kitching, Levy Uriel


Lasers precisely stabilized to known transitions between energy levels in simple, well-isolated quantum systems such as atoms and molecules are highly desired for myriad of applications ranging from precise measurements to optical communications. The implementation of such spectroscopic systems in a chip-scale format would allow for dramatically reduced cost and would likely open up significant new opportunities in both photonically-integrated platforms and free-space applications such as lidar. Here, we design, fabricate, and experimentally demonstrate a new platform based on chip-scale integration of serpentine photonic nanoscale waveguides with a miniaturized acetylene chamber potentially enabling cost effective, miniaturized and low power optical frequency references in the telecommunications C band spectral range (1530 nm - 1565 nm). We have used this platform to stabilize a telecom laser with a precision better than 400 kHz at 34 s. This small and portable chip-scale molecular cladded waveguide can be integrated with advanced components such as on-chip modulators, detectors, and other devices to form a complete locking system on-chip.


Integrated optics devices, Laser stabilization, Molecular spectroscopy, optical waveguide


Zektzer, R. , Hummon, M. , Stern, L. , Barash, Y. , Mazurski, N. , Kitching, J. and Uriel, L. (2020), A chip-scale optical frequency reference for the telecommunication band based on acetylene, Optica (Accessed June 14, 2024)


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Created March 15, 2020, Updated October 12, 2021