Realisation of the metre by using a femtosecond laser frequency comb: applications in optical frequency metrology
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Metrology and Quality Engineering"
DOI: 10.1051/ijmqe/2017008
Abstract: The appearance of the frequency comb technology, awarded the Nobel Prize in Physics 2005, has enormously revolutionized the metrology of optical frequencies, eliminating the need for complicated frequency chains. By direct linking to the unit… read more here.
Keywords: frequency; laser frequency; using femtosecond; frequency comb ... See more keywords
Laser frequency upconversion in plasmas with finite ionization rates
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5110292
Abstract: Laser frequency can be upconverted in a plasma undergoing ionization. For finite ionization rates, the laser pulse energy is partitioned into a pair of counterpropagating waves and static transverse currents. The wave amplitudes are determined… read more here.
Keywords: ionization rates; finite ionization; ionization; laser frequency ... See more keywords
Tunable laser frequency lock based on a temperature-dependent Fabry-Perot etalon.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.460238
Abstract: A simple method for laser frequency stabilizing by a temperature-tuned Fabry-Perot etalon is reported. The etalon is a plano-convex lens that permits tuning the length and refractive index via controlling the temperature for shifting wavelengths… read more here.
Keywords: fabry perot; frequency; temperature; perot etalon ... See more keywords
Laser Frequency Noise in Next Generation Gravitational-Wave Detectors
Sign Up to like & getrecommendations! Published in 2021 at "Optics Express"
DOI: 10.1364/oe.439253
Abstract: Future ground-based gravitational-wave detectors are slated to detect black hole and neutron star collisions from the entire stellar history of the universe. To achieve the designed detector sensitivities, frequency noise from the laser source must… read more here.
Keywords: noise; gravitational wave; frequency noise; laser frequency ... See more keywords
Analog FM free-space optical communication based on a mid-infrared quantum cascade laser frequency comb.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.443483
Abstract: Quantum cascade laser frequency combs are nowadays well-appreciated sources for infrared spectroscopy. Here their applicability for free-space optical communication is demonstrated. The spontaneously-generated intermodal beat note of the frequency comb is used as carrier for… read more here.
Keywords: optical communication; frequency; quantum cascade; laser frequency ... See more keywords
Gapless tuning of quantum cascade laser frequency combs with external cavity optical feedback.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.478950
Abstract: We present the operation of quantum cascade laser frequency combs in an external cavity configuration. Experimental observations show dependence of comb repetition rate and optical spectrum on the external cavity length. The low phase-noise comb… read more here.
Keywords: cavity; quantum cascade; external cavity; cascade laser ... See more keywords
Laser frequency stabilization in the 10 -14 range via optimized modulation transfer spectroscopy on the 87Rb D2 line.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.480178
Abstract: We present a high-performance laser frequency stabilization method using modulation transfer spectroscopy (MTS) on the rubidium 87D2 transition line. A substantial improvement of the laser frequency stability was achieved by searching for the optimal diameter… read more here.
Keywords: modulation; spectroscopy; frequency; laser frequency ... See more keywords
Far Off-Resonance Laser Frequency Stabilization Technology
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app10093255
Abstract: In atomic physics experiments, a frequency-stabilized or ‘locked’ laser source is commonly required. Many established techniques are available for locking close to an atomic resonance. However, in many instances, such as atomic magnetometer and magic… read more here.
Keywords: far resonance; frequency stabilization; resonance; frequency ... See more keywords