Noiseless signal amplification in an opto-mechanical transducer

• URL: http://arxiv.org/abs/2506.02717v1
• Date: Tue, 03 Jun 2025 10:15:23 GMT
• Title: Noiseless signal amplification in an opto-mechanical transducer
• Authors: A. A. Movsisian, A. I. Nazmiev, A. B. Matsko, S. P. Vyatchanin,
• Abstract summary: We show that a resonant optical parametric transducer can be used to enhance the high-sensitivity quantum detection of a resonant classical force acting on a quantum oscillator.<n>We demonstrate that this approach not only enables quantum back-action evasion measurements that exceed the Standard Quantum Limit of sensitivity but also facilitates the noiseless amplification of the classical signal.
• Score: 0.0
• License: http://creativecommons.org/publicdomain/zero/1.0/
• Abstract: The high-sensitivity quantum detection of a resonant classical force acting on a quantum oscillator can be substantially enhanced through the use of a resonant optical parametric transducer. We demonstrate that this approach not only enables quantum back-action evasion measurements that exceed the Standard Quantum Limit of sensitivity but also facilitates the noiseless amplification of the classical signal. This amplification is achieved by independently measuring the two modulation sidebands generated by the signal force, allowing for a more precise and noise-resistant detection process.

Related papers

• Acoustic phonon phase gates with number-resolving phonon detection [36.29277627484587]
  Itinerant phonons in quantum acoustics, combined with superconducting qubits, offer a compelling alternative to the quantum optics approach.<n>We implement phonon phase control using the frequency-dependent scattering of phonon states from a superconducting transmon qubit.<n>The acoustic interferometer used to measure the resulting phonon phase achieves a noise-floor-limited Hong-Ou-Mandel interference visibility of 98.1%.
  arXiv  Detail & Related papers  (2025-03-05T20:56:35Z)
• Improved amplitude amplification strategies for the quantum simulation of classical transport problems [41.94295877935867]
  We show that oblivious amplitude amplification when applied to non-unitary dynamics leads to a distortion of the quantum state and to an accompanying error in the quantum update.<n>We also propose an amplification strategy that helps mitigate the distortion error, while still securing an enhanced success probability.
  arXiv  Detail & Related papers  (2025-02-25T15:17:03Z)
• Enhancing Dynamic Range of Sub-Quantum-Limit Measurements via Quantum Deamplification [5.144098198581814]
  We introduce a novel quantum deamplification mechanism that extends dynamic range at a minimal cost of sensitivity.<n>Our protocol is within the reach of state-of-the-art atomic-molecular-optical platforms.
  arXiv  Detail & Related papers  (2024-12-19T17:08:27Z)
• Josephson bifurcation readout: beyond the monochromatic approximation [49.1574468325115]
  We analyze properties of bifurcation quantum detectors based on weakly nonlinear superconducting resonance circuits. This circuit can serve as an efficient detector of the quantum state of superconducting qubits.
  arXiv  Detail & Related papers  (2024-05-25T22:22:37Z)
• Squeezing for Broadband Multidimensional Variational Measurement [55.2480439325792]
  We show that optical losses inside cavity restrict back action exclusion due to loss noise. We analyze how two-photon (nondegenerate) and conventional (degenerate) squeezing improve sensitivity with account optical losses.
  arXiv  Detail & Related papers  (2023-10-06T18:41:29Z)
• Enhanced quantum sensing with amplification and deamplification [4.561604895218612]
  We report the first demonstration of Fano resonance between coupled alkali-metal and noble gases through rapid spin-exchange collisions. We develop a novel scheme of quantum sensing enhanced by amplification and deamplification, with relaxed requirements on the detection noise. Our work opens new avenues to applications in searches for ultralight dark matter with sensitivity well beyond the supernova-observation constraints.
  arXiv  Detail & Related papers  (2023-09-01T00:09:08Z)
• Design of a tabletop interferometer with quantum amplification [0.0]
  We show that phase-insensitive amplification in laser interferometers can be implemented in a tabletop experiment. Our design relies on existing membrane and cryogenic technology and can demonstrate three distinct features. These features are needed to enhance the sensitivity of future interferometric gravitational-wave and axion detectors.
  arXiv  Detail & Related papers  (2022-10-10T11:08:57Z)
• Quantum Limits on the Capacity of Multispan Links with Phase-sensitive Amplification [5.156484100374058]
  We show that the quantum advantage over the standard approach based on optical quadrature detection is small and vanishes for long links. We derive ultimate limits determined by the laws of quantum mechanics on the capacity of multispan links with phase sensitive amplification.
  arXiv  Detail & Related papers  (2022-07-21T18:00:09Z)
• Broadband sensitivity improvement via coherent quantum feedback with PT symmetry [9.717134926446956]
  We propose a stable quantum amplifier applicable to linear systems operating at the fundamental detection limits. Sensitivity improvements are shown for laser-interferometric gravitational-wave detectors and microwave cavity axion detectors.
  arXiv  Detail & Related papers  (2020-12-01T21:27:14Z)
• Experimental Realization of Nonadiabatic Holonomic Single-Qubit Quantum Gates\\ with Optimal Control in a Trapped Ion [38.217839102257365]
  We experimentally demonstrate nonadiabatic holonomic single qubit quantum gates with optimal control in a trapped Yb ion. Compared with corresponding previous geometric gates and conventional dynamic gates, the superiority of our scheme is that it is more robust against control amplitude errors.
  arXiv  Detail & Related papers  (2020-06-08T14:06:06Z)
• Multi-level Quantum Noise Spectroscopy [40.434546680037606]
  Existing quantum noise spectroscopy protocols measure an aggregate amount of noise affecting a quantum system. We propose and experimentally validate a spin-locking-based QNS protocol that exploits the multi-level energy structure of a superconducting qubit.
  arXiv  Detail & Related papers  (2020-03-05T17:31:30Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.