To explore and push the frontiers in ultrafast science and technology, using interdisciplinary understanding of the physics of lasers, semiconductors, and measurement technologies. Take this competitive know-how to understand and control fundamental charge and energy transport with atomic spatial and attosecond temporal resolution.
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To secure a one-year extension beyond age 65 at ETH Zurich, I had to change departments—despite 31 years of distinguished service in the Physics Department. The "canary in the coal mine" metaphor resonates with me, as I seek to shed light on the toxic environments that drive exceptional women out of academia at alarming rates. Part of a growing number of women, I refused to conform to the unspoken rules of the in-group—a system that hinders diversity and stifles innovation.
Our new open-access publication is available. In this article, we demonstrate a widely tunable dual-comb optical parametric oscillator in the mid-infrared, and combine it with an intra-cavity up-conversion detection scheme to obtain high-sensitivity and high-resolution spectroscopy measurements.
Our open-access paper entitled "THz-TDS with gigahertz Yb-based dual-comb lasers: noise analysis and mitigation strategies", published in Applied Optics, has been highlighted as an Editor's Pick.
Prof. Keller is increasingly concerned about “hostility” towards excellent women in leadership positions in STEMM (i.e. science, technology, engineering, mathematics and medicine) fields, which she sees as a key challenge for further progress in gender diversity. In this news item Prof. Keller summarizes her talk given first at CLEO USA 2023 as a plenary talk and more recently at an IEEE meeting in Italy.