Proposal for a continuous wave laser with linewidth well below the standard quantum limit

• URL: http://arxiv.org/abs/2009.03333v3
• Date: Fri, 22 Oct 2021 18:25:48 GMT
• Title: Proposal for a continuous wave laser with linewidth well below the standard quantum limit
• Authors: Chenxu Liu, Maria Mucci, Xi Cao, M. V. Gurudev Dutt, Michael Hatridge, David Pekker
• Abstract summary: We show that it is possible to reduce the laser linewidth by a factor equal to the number of photons in the laser cavity below the standard quantum limit. This is an example of how quantum engineering techniques can inspire us to re-imagine the limits of conventional quantum systems.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Due to their high coherence, a laser is a ubiquitous tool in science. We show that by engineering the coupling between the gain medium and the laser cavity as well as the laser cavity and the output port, it is possible to eliminate most of the noise due to photons entering as well as leaving the laser cavity. Hence, it is possible to reduce the laser linewidth by a factor equal to the number of photons in the laser cavity below the standard quantum limit. We design and theoretically analyze a superconducting circuit that uses Josephson junctions, capacitors and inductors to implement a microwave laser, including the low-noise couplers that allow the design to surpass the standard quantum limit. Our proposal relies on the elements of superconducting quantum information, and thus is an example of how quantum engineering techniques can inspire us to re-imagine the limits of conventional quantum systems.

Related papers

• Generation of non-classical and entangled light states using intense laser-matter interactions [0.0]
  Non-classical and entangled light states are of fundamental interest in quantum mechanics. We show how the use of fully quantized approaches in intense laser-matter interactions can lead to the generation high photon-number non-classical states. We discuss the future directions of non-classical light engineering using strong laser fields, and the potential applications in ultrafast and quantum information science.
  arXiv  Detail & Related papers  (2024-10-22T22:00:43Z)
• Quantum free-electron laser oscillator [0.11948485691768121]
  A single-pass quantum free-electron laser has a large interaction length that impedes the experimental realization. Here we show that a quantum free-electron laser is closer to a coherent state in comparison to existing classical free-electron lasers. The narrowing of the photon distribution implies reduced intensity fluctuations of the emitted radiation, which in turn lead to decreased noise in imaging experiments or to an enhanced sensitivity in interferometric applications.
  arXiv  Detail & Related papers  (2024-08-26T08:43:19Z)
• Path-entangled radiation from kinetic inductance amplifier [0.0]
  We introduce a kinetic inductance quantum-limited amplifier that generates stationary path-entangled microwave radiation. This work highlights the potential of kinetic inductance parametric amplifiers for practical applications such as quantum teleportation, distributed quantum computing, and enhanced quantum sensing.
  arXiv  Detail & Related papers  (2024-06-19T06:00:43Z)
• Robust Parallel Laser Driving of Quantum Dots for Multiplexing of Quantum Light Sources [0.1806830971023738]
  We show the simultaneous triggering of >10 quantum dots using adiabatic rapid passage. We show that high-fidelity quantum state is possible in a system of quantum dots with a 15meV range of optical transition energies.
  arXiv  Detail & Related papers  (2023-11-28T17:32:45Z)
• QUICK$^3$ -- Design of a satellite-based quantum light source for quantum communication and extended physical theory tests in space [73.86330563258117]
  Single photon source can enhance secure data rates in satellite-based quantum key distribution scenarios. payload is being integrated into a 3U CubeSat and scheduled for launch in 2024 into low Earth orbit.
  arXiv  Detail & Related papers  (2023-01-26T15:34:11Z)
• Integrated Quantum Optical Phase Sensor [48.7576911714538]
  We present a photonic integrated circuit fabricated in thin-film lithium niobate. We use the second-order nonlinearity to produce a squeezed state at the same frequency as the pump light and realize circuit control and sensing with electro-optics. We anticipate that on-chip photonic systems like this, which operate with low power and integrate all of the needed functionality on a single die, will open new opportunities for quantum optical sensing.
  arXiv  Detail & Related papers  (2022-12-19T18:46:33Z)
• All-Optical Nuclear Quantum Sensing using Nitrogen-Vacancy Centers in Diamond [52.77024349608834]
  Microwave or radio-frequency driving poses a significant limitation for miniaturization, energy-efficiency and non-invasiveness of quantum sensors. We overcome this limitation by demonstrating a purely optical approach to coherent quantum sensing. Our results pave the way for highly compact quantum sensors to be employed for magnetometry or gyroscopy applications.
  arXiv  Detail & Related papers  (2022-12-14T08:34:11Z)
• Phase Randomness in a Semiconductor Laser: the Issue of Quantum Random Number Generation [83.48996461770017]
  This paper describes theoretical and experimental methods for estimating the degree of phase randomization in a gain-switched laser. We show that the interference signal remains quantum in nature even in the presence of classical phase drift in the interferometer.
  arXiv  Detail & Related papers  (2022-09-20T14:07:39Z)
• On quantum free-electron laser: Superradience [91.3755431537592]
  An exact expression for the evolution of the laser amplitude is obtained. Reliable conditions for the superradiance of the high-gained laser are discussed.
  arXiv  Detail & Related papers  (2022-03-27T15:07:09Z)
• Slowing down light in a qubit metamaterial [98.00295925462214]
  superconducting circuits in the microwave domain still lack such devices. We demonstrate slowing down electromagnetic waves in a superconducting metamaterial composed of eight qubits coupled to a common waveguide. Our findings demonstrate high flexibility of superconducting circuits to realize custom band structures.
  arXiv  Detail & Related papers  (2022-02-14T20:55:10Z)
• Space qualification of ultrafast laser written integrated waveguide optics [0.5039813366558306]
  We report on the qualification of waveguides fabricated in glass by femtosecond laser micromachining for their use in a low Earth orbit space environment. Our experiments show that no significant changes have been induced to their characteristics and performances by the radiation exposure.
  arXiv  Detail & Related papers  (2020-04-20T16:31:33Z)

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.