Characterization of non-planar ring oscillators at a wavelength of 1064 nm for high precision metrology

• URL: http://arxiv.org/abs/2508.10477v1
• Date: Thu, 14 Aug 2025 09:27:48 GMT
• Title: Characterization of non-planar ring oscillators at a wavelength of 1064 nm for high precision metrology
• Authors: Henning Vahlbruch, Fabian Meylahn, Benno Willke,
• Abstract summary: This study compares a newly developed seed laser at a wavelength of 1064 nm with two commercial NPROs.<n>The new laser exhibits ten times lower power and frequency noise.<n>This noise advantage is retained even after subsequent amplification to 40 W.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Ultra-stable laser light is essential for high-precision interferometric measurements, in particular for the next generation of gravitational wave detectors, where high power lasers with unprecedented low power and frequency noise are demanded. Since the seed laser for high-power laser system has a large influence on the overall noise characteristics, the use of the lowest noise seed laser is beneficial. This study compares a newly developed seed laser, based on a non-planar ring oscillator (NPRO) design, at a wavelength of 1064 nm with two commercial NPROs and shows that the new laser exhibits ten times lower power and frequency noise. This noise advantage is retained even after subsequent amplification to 40 W.

Related papers

• Measurement and feed-forward correction of the fast phase noise of lasers [0.0]
  We present a fully-fiberized instrument detecting and correcting the fast, sub-microsecond, phase fluctuations of lasers.<n>These measurement and correction techniques are important tools for high-fidelity manipulation of the excited electronic states of atoms and molecules.
  arXiv  Detail & Related papers  (2024-11-15T07:57:13Z)
• Observation of Noise Suppression during High-Efficiency Wavelength Doubling of Intense Quasi-Monochromatic Laser Light [0.0]
  We report a 25 % reduction in relative intensity noise when converting 1064 nm to 2128 nm for powers far above parametric oscillation threshold. The new wavelength has high potential for improving gravitational wave detection and other ultra-high-precision experiments as well.
  arXiv  Detail & Related papers  (2024-05-17T07:59:04Z)
• 30 W ultra-stable laser light at 2128 nm for future gravitational-wave observatories [0.0]
  We report the production of nearly 30 W of ultra-stable laser light at 2128 nm. Coatings made of amorphous silicon and silicon nitride could provide a remedy for both gravitational-wave detectors and optical clocks.
  arXiv  Detail & Related papers  (2023-11-28T20:38:17Z)
• A low phase noise cavity transmission self-injection locked laser system for atomic physics experiments [0.0]
  diode lasers with high spectral purity are indispensable for optical clocks and coherent manipulation of atomic and molecular qubits for applications such as quantum computing and quantum computation. Here we demonstrate a self-injection locked diode laser system utilizing a medium finesse cavity. We show that the fast phase noise of the laser at relevant Fourier frequencies of 100 kHz to >2 MHz is suppressed to a noise floor of between -110 dBc/Hz and -120 dBc/Hz, an improvement of 20 to 30 dB over state-of-the-art Pound-Drever-Hall-stabilized extended-cavity diode lasers.
  arXiv  Detail & Related papers  (2023-11-06T19:02:32Z)
• 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)
• Oscillator laser model [77.34726150561087]
  Diffusion coefficients, consistent with the model and necessary for solving quantum nonlinear laser equations analytically, are found. Collective Rabi splitting peaks are predicted in the intensity fluctuation spectra of the superradiant lasers.
  arXiv  Detail & Related papers  (2022-06-11T07:38:31Z)
• Perturbation approach in Heisenberg equations for lasers [77.34726150561087]
  It is found that fluctuations of population significantly affect spontaneous and stimulated emissions into the lasing mode. The method can be applied to various resonant systems in quantum optics.
  arXiv  Detail & Related papers  (2022-01-08T18:24:37Z)
• Dual-laser self-injection locking to an integrated microresonator [93.17495788476688]
  We experimentally demonstrate the dual-laser SIL of two multifrequency laser diodes to different modes of an integrated Si$_3$N$_4$ microresonator. Locking both lasers to the same mode results in a simultaneous frequency and phase stabilization and coherent addition of their outputs.
  arXiv  Detail & Related papers  (2022-01-06T16:25:15Z)
• An inhibited laser [0.0]
  Traditional lasers function using resonant cavities, in which the round-trip optical path is exactly equal to an integer multiple of the intracavity wavelengths. A $10-16$-fractional-frequency-stability superradiant active optical clock (AOC) have been achieved. A laser with atomic spontaneous radiation being destructively inhibited in an anti-resonant cavity has not been reported.
  arXiv  Detail & Related papers  (2021-08-09T12:12:17Z)
• Laser threshold magnetometry using green light absorption by diamond nitrogen vacancies in an external cavity laser [52.77024349608834]
  Nitrogen vacancy (NV) centers in diamond have attracted considerable recent interest for use in quantum sensing. We show theoretical sensitivity to magnetic field on the pT/sqrt(Hz) level is possible using a diamond with an optimal density of NV centers.
  arXiv  Detail & Related papers  (2021-01-22T18:58:05Z)
• Quantum Langevin approach for superradiant nanolasers [58.720142291102135]
  A new approach for analytically solving quantum nonlinear Langevin equations is proposed and applied to calculations of spectra of superradiant lasers. We calculate lasing spectra for arbitrary pump rates and recover well-known results such as the pump dependence of the laser linewidth across the threshold region. We predict new sideband peaks in the spectrum of superradiant lasers with large relaxation oscillations as well as new nonlinear structures in the lasing spectra for weak pump rates.
  arXiv  Detail & Related papers  (2020-12-04T11:30:30Z)

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.