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Quantum-enhanced optical phase-insensitive heterodyne detection beyond 3-dB noise penalty of image band
Keitaro Anai, Yutaro Enomoto, Hiroto Omura +4
Optical phase-insensitive heterodyne (beat-note) detection, which measures the relative phase of two beams at different frequencies through their interference, is a key sensing tec…
Optical trapping of the transversal motion for an optically levitated mirror
Takuya Kawasaki, Naoki Kita, Koji Nagano +4
Optomechanical systems are suitable for elucidating quantum phenomena at the macroscopic scale in the sense of the mass scale. The systems should be well-isolated from the environm…
Standard quantum limit of angular motion of a suspended mirror and homodyne detection of ponderomotively squeezed vacuum field
Yutaro Enomoto, Koji Nagano, Seiji Kawamura
Compared to the quantum noise in the measurement of the translational motion of a suspended mirror using laser light, the quantum noise in the measurement of the angular motion of…