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Guo, J. (author), Chang, J. (author), Yao, X. (author), Groeblacher, S. (author)Preparing a massive mechanical resonator in a state with quantum limited motional energy provides a promising platform for studying fundamental physics with macroscopic systems and allows to realize a variety of applications, including precise sensing. While several demonstrations of such ground-state cooled systems have been achieved, in...journal article 2023
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Guo, J. (author), Groeblacher, S. (author)The rapid development of high-Q<sub>M</sub> macroscopic mechanical resonators has enabled great advances in optomechanics. Further improvements could allow for quantum-limited or quantum-enhanced applications at ambient temperature. Some of the remaining challenges include the integration of high-Q<sub>M</sub> structures on a chip, while...journal article 2022
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Guo, J. (author), Groeblacher, S. (author)Preparing macroscopic mechanical resonators close to their motional quantum groundstate and generating entanglement with light offers great opportunities in studying fundamental physics and in developing a new generation of quantum applications. Here we propose an experimentally interesting scheme, which is particularly well suited for...working paper 2022
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Guo, J. (author), Norte, R.A. (author), Groeblacher, S. (author)Preparing mechanical systems in their lowest possible entropy state, the quantum ground state, starting from a room temperature environment is a key challenge in quantum optomechanics. This would not only enable creating quantum states of truly macroscopic systems, but at the same time also lay the groundwork for a new generation of quantum...journal article 2019
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- Pinto Moura, J.P. (author), Norte, R.A. (author), Guo, J. (author), Schäfermeier, C. (author), Groeblacher, S. (author) journal article 2018
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Guo, J. (author), Norte, R.A. (author), Groeblacher, S. (author)Mechanical oscillators are at the heart of many sensor applications. Recently several groups have developed oscillators that are probed optically, fabricated from high-stress silicon nitride films. They exhibit outstanding force sensitivities of a few aN/Hz1/2 and can also be made highly reflective, for efficient detection. The optical read-out...journal article 2017