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Optical and Quantum Sensing and Precision Metrology

Chip-scale ultra-stable optical frequency references

Liron Stern

Published Mar 4, 2021• 0 citations
Publisher

Abstract

In this talk, we will present novel types of chip-scale optical frequency meteorological devices. Specifically, will demonstrate and discuss how Kerr-frequency combs interfaced with atomic vapour, micro-machined atomic diffractive elements and miniaturized ultra-stable optical cavities show a promising path towards ultra-stable and chip-scale optical frequency references.

DOI
10.1117/12.2588452

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In this talk, we will present novel types of chip-scale optical frequency meteorological devices. Specifically, will demonstrate and discuss how Kerr-frequency combs interfaced with atomic vapour, micro-machined atomic diffractive elements and miniaturized ultra-stable optical cavities show a promising path towards ultra-stable and chip-scale optical frequency references.
We provide an overview of our research on chip-scale atomic devices. By miniaturizing optical setups based on precision spectroscopy, we have developed small atomic sensors and atomic references such as atomic clocks, atomic magnetometers, and optical wavelength references. We have integrated microfabricated alkali vapor cells with small low-power lasers, micro-optics, and low-power microwave oscillators. As a result, we anticipate that atomic stability can be achieved with small size, low cost, battery-operated devices. Advances in fabrication methods and performance are presented.
A key challenge in today’s quantum science is the realization of large-scale complex non-classical systems to enable e.g. ultra-secure communications, quantum-enhanced measurements, and computations faster than classical approaches. Optical frequency combs represent a powerful approach towards this, since they provide a very high number of temporal and frequency modes which can result in large-scale quantum systems. Here, we discuss the recent progress on the realization of integrated quantum frequency combs and reveal how their use in combination with on-chip and fiber-optic telecommunications components can enable quantum state control with new functionalities, yielding unprecedented capability.