Low offset frequency $1/f$ flicker noise in spin torque vortex oscillators

Autor: Wittrock, Steffen, Tsunegi, Sumito, Yakushiji, Kay, Fukushima, Akio, Kubota, Hitoshi, Bortolotti, Paolo, Ebels, Ursula, Yuasa, Shinji, Cibiel, Gilles, Galliou, Serge, Rubiola, Enrico, Cros, Vincent

Publikováno v: Phys. Rev. B 99, 235135 (2019)

Low frequency noise close to the carrier remains little explored in spin torque nano oscillators. However, it is crucial to investigate as it limits the oscillator's frequency stability. This work addresses the low offset frequency flicker noise of a

Externí odkaz: http://arxiv.org/abs/1906.10190

Advanced bridge instrument for the measurement of the phase noise and of the short-term frequency stability of ultra-stable quartz resonators

Autor: Sthal, Fabrice, Vacheret, Xavier, Salzenstein, Patrice, Galliou, Serge, Cibiel, Gilles, Rubiola, Enrico

Publikováno v: Proceedings of the IEEE Frequency Control Symposium & European Time and Frequency Forum (01/06/2007) NA

High-stability quartz oscillators are needed in a number of space applications. A short-term stability of parts in 10^{-14} [Allan deviation \sigma y(\tau) ] is sometimes required, for integration time \tau of approximately 1-10 s. The Centre Nationa

Externí odkaz: http://arxiv.org/abs/0706.1858

Divisions de fréquence faible bruit d'un oscillateur optoélectronique couplé à 30 GHz

Autor: Collet, Arnaud, Ly, Aliou, Llopis, Olivier, Cibiel, Gilles, Tournier, Éric

Publikováno v: XXIe Journées Nationales Microondes 2019
XXIe Journées Nationales Microondes (JNM 2019)
XXIe Journées Nationales Microondes (JNM 2019), May 2019, Caen, France

National audience; La division de fréquence d'oscillateurs de références optoélectroniques couplés (COEO) est une méthode de synthèse de fréquence alternative à la boucle à verrouillage de phase (PLL). La PLL étant basée sur la multiplica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::25dc152fe1a4a1582f8304bdcffe9575
https://hal.science/hal-02159161/document

2.44 GHz Surface Acoustic Wave Resonator Phase Noise Measured by Carrier Suppression Technique

Autor: Vaillant, Etienne, Sthal, Fabrice, Imbaud, Joël, Soumann, Valérie, Esnault, F.X, Cibiel, Gilles

Publikováno v: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Institute of Electrical and Electronics Engineers, 2019, 66 (1), pp.247-250

International audience; The phase noise of surface acoustic wave resonators is explored by a passive measurement system based on the carrier suppression technique. The measurements are focused on 2.44 GHz quartz crystal resonators. These resonators a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0fb6ad939aa5364706d889496bf1768d
https://hal.archives-ouvertes.fr/hal-02140202

Flicker Noise in Quartz Crystal Resonator at 353K as a Function of Q-Factor of Overtones and Anharmonic Modes at 4K

Autor: Pokharel, Alok, Sthal, Fabrice, Imbaud, Joël, Devel, Michel, Esnault, François Xavier, Cibiel, Gilles

Publikováno v: Fluctuation and Noise Letters
Fluctuation and Noise Letters, 2018, 17 (2), pp.1871002 (6)

International audience; The unclear physical origin of flicker noise in ultra-stable quartz oscillators is still limiting some practical metrological applications. In this paper, we study experimentally the possible correlations between Q-factor meas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::bc59b7ea3d32244a99d46433cc51bd5b
https://hal.archives-ouvertes.fr/hal-02366566