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This research demonstrates a breakthrough in chip-scale optical frequency combs by using an inverted architecture with octave-separated pumps to achieve self-aligned, stable generation on a single photonic chip. The innovation directly enables deployable optical atomic clocks and precision quantum sensing without the complex external stabilization controls that previously limited microcomb metrology. By solving long-standing stability issues in this hardware foundation, the work advances practical applications for GPS-denied quantum navigation and absolute frequency measurement.

Sursă care acoperăQuantum Computing Report

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University of Auckland, NIST, and UMD Demonstrate Octave-Spanning Chip-Scale Microcomb in Nature

Quantum Computing Report9 octombrie 20263 min de cititArticolul și perspectiva sunt în engleză.

Researchers from the University of Auckland, NIST, UMD, and UC Santa Barbara have developed a chip-integrated optical frequency comb that addresses long-standing stability and control issues in microcomb metrology. They achieved this by inverting traditional frequency comb architectures, using two pump lasers an octave apart to generate a self-aligned, octave-spanning microcomb on a single chip. This innovation has significant implications for deployable optical atomic clocks, GPS-denied quantum navigation, and precision quantum sensing, with a provisional patent filed for commercialization. The post University of Auckland, NIST, and UMD Demonstrate Octave-Spanning Chip-Scale Microcomb in Nature appeared first on Quantum Computing Report.

Concept of self-aligned PDCS microcomb generation with octave-separated lasers. In a study published in Nature, an international research collaboration led by the University of Auckland, the National Institute of Standards and Technology (NIST), the University of Maryland (UMD), and UC Santa…

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