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• Conference paper

  Bulk acoustic wave resonator thermal noise measurements

  Goryachev, M., Ivanov, E., Parker, S., Winterflood, J., Tobar, M. & Galliou, S., 2014, 2014 IEEE International Frequency Control Symposium Proceedings. Piscataway, NJ, USA: IEEE, Institute of Electrical and Electronics Engineers, Vol. 1. p. 50-52

  Research output: Chapter in Book/Conference paper › Conference paper

  • thermal noise
  • noise measurement
  • quartz
  • broadband amplifiers
  • resonators

• Current limitations of cryogenic microwave oscillator frequency stability

  Parker, S., Ivanov, E., Tobar, M. & Hartnett, J. G., 2014, IFCS 2014 - 2014 IEEE International Frequency Control Symposium, Proceedings.

  Research output: Chapter in Book/Conference paper › Conference paper

  • microwave oscillators
  • frequency stability
  • cryogenics
  • cavity resonators
  • sapphire

• Extremely high Q-factor mechanical modes in quartz bulk acoustic wave resonators at millikelvin temperature

  Goryachev, M., Creedon, D., Ivanov, E., Galliou, S., Bourquin, R. & Tobar, M., 2014, Eleventh International Conference on Quantum Communication, Measurement and Computation (QCMC). Vol. 1633. p. 90-92

  Research output: Chapter in Book/Conference paper › Conference paper

  • Q factors
  • quartz
  • resonators
  • ground state
  • acoustics
  1 Citation (Scopus)

• First search for axions of mass 110 μeV using milliKelvin cooled 26.6 GHz microwave resonator

  McAlister, B., Kruger, J., Flower, G., Bourhill, J., Goryachev, M., Parker, S., Ivanov, E. & Tobar, M., 27 Oct 2017, 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFC 2017 - Proceedings. IEEE, Institute of Electrical and Electronics Engineers, p. 179-180 2 p. 8088839

  Research output: Chapter in Book/Conference paper › Conference paper

  • Microwave resonators
  • resonators
  • microwaves
  • High electron mobility transistors
  • high electron mobility transistors

• Improving phonon sector tests of Lorentz Invariance

  Goryachev, M., Ivanov, E. N., Tobar, M. E., Haslinger, P. & Muller, H., 27 Oct 2017, 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFC 2017 - Proceedings. IEEE, Institute of Electrical and Electronics Engineers, p. 104-105 2 p. 8088814

  Research output: Chapter in Book/Conference paper › Conference paper

  • Phonons
  • Invariance
  • invariance
  • sectors
  • Quartz

• Properties related to Q-factors and noise of quartz resonator-based systems at 4K

  Galliou, S., Abbe, P., Bourquin, R., Goryachev, M., Tobar, M. & Ivanov, E., 2014, 2014 European Frequency and Time Forum, EFTF 2014. Switzerland: European Frequency and Time Forum (EFTF), p. 33-35

  Research output: Chapter in Book/Conference paper › Conference paper

  • Q factors
  • quartz
  • resonators
  • harmonics
  • flicker
  2 Citations (Scopus)

• Sub-Doppler cooling with the 1S0-1P 1 line in ytterbium

  Kostylev, N., Ivanov, E., Tobar, M. & Mcferran, J., 2014, 2014 IEEE International Frequency Control Symposium Proceedings. Piscataway, NJ, USA: IEEE, Institute of Electrical and Electronics Engineers, Vol. 1. p. 218-221

  Research output: Chapter in Book/Conference paper › Conference paper

  • ytterbium
  • cooling
  • traps
  • vacuum chambers
  • clocks

• Testing speed of light isotropy using rotating cryogenic sapphire microwave oscillators

  Parker, S., Nagel, M., Kovalchuk, E. V., Stanwix, P., Ivanov, E., Hartnett, J. G., Peters, A. & Tobar, M., 2014, IFCS 2014 - 2014 IEEE International Frequency Control Symposium, Proceedings.

  Research output: Chapter in Book/Conference paper › Conference paper

  • microwave oscillators
  • isotropy
  • cryogenics
  • sapphire
  • oscillators

• Ultra-high stability cryocooled sapphire microwave oscillators

  Hilton, A., Hartnett, J. G., Ivanov, E. & Luiten, A., 2014, IFCS 2014 - 2014 IEEE International Frequency Control Symposium, Proceedings. Piscataway, NJ, USA: IEEE, Institute of Electrical and Electronics Engineers, Vol. 1. p. 312

  Research output: Chapter in Book/Conference paper › Conference paper

  • microwave oscillators
  • sapphire
  • resonators
  • oscillators
  • vibration

• Using Microwave Cavities to Test Lorentz Invariance

  Parker, S. R., Stanwix, P. L., Ivanov, E. N., Tobar, M. E., Nagel, M., Kovalchuk, E. V. & Peters, A., 2013, Proceedings of the 6th Meeting on CPT and Lorentz Symmetry. Kostelecký, V. A. (ed.). World Scientific Publishing, p. 131-134 4 p.

  Research output: Chapter in Book/Conference paper › Conference paper

  • congressional reports
  • invariance
  • sapphire
  • microwaves
  • beat frequencies
• Article

  Anomalously strong nonlinearity of unswept quartz acoustic cavities at liquid helium temperatures

  Goryachev, M., Farr, W. G., Ivanov, E. & Tobar, M., 2013, In : Journal of Applied Physics. 114, 9, p. 094506-1 - 094506-7

  Research output: Contribution to journal › Article

  • liquid helium
  • discontinuity
  • quartz
  • nonlinearity
  • cavities
  8 Citations (Scopus)

• Cold-atom double-Λ coherent population trapping clock

  Esnault, F. X., Blanshan, E., Ivanov, E., Scholten, R. E., Kitching, J. & Donley, E. A., 2013, In : Physical Review A - Atomic, Molecular, and Optical Physics. 88, 4, p. 042120-1 - 042120-5

  Research output: Contribution to journal › Article

  • clocks
  • trapping
  • atoms
  • atomic clocks
  • frequency standards
  52 Citations (Scopus)

• Collective spin waves on a nanowire array with step-modulated thickness

  Gubbiotti, G., Kostylev, M., Tacchi, S., Madami, M., Carlotti, G., Ding, J., Adeyeye, A. O., Zighem, F., Stashkevich, A. A., Ivanov, E. & Samarin, S., 19 Feb 2014, In : Journal of Physics D: Applied Physics. 47, 10, p. 8pp

  Research output: Contribution to journal › Article

  Open Access

  • Spin waves
  • Brillouin scattering
  • Light scattering
  • Nanowires
  • Magnetization
  15 Citations (Scopus)

• Direct terrestrial test of Lorentz symmetry in electrodynamics to 10^-18

  Nagel, M., Parker, S., Kovalchuk, E. V., Stanwix, P., Hartnett, J., Ivanov, E., Peters, A. & Tobar, M., 1 Sep 2015, In : Nature Communications. 6, p. 1-6

  Research output: Contribution to journal › Article

  Open Access

  • Electrodynamics
  • Physics
  • Anisotropy
  • Photons
  • electrodynamics
  51 Citations (Scopus)

• Extending the frequency range of digital noise measurements to the microwave domain

  Parker, S., Ivanov, E. & Hartnett, J., 3 Feb 2014, In : IEEE Transactions on Microwave Theory and Techniques. 62, 2, p. 368-372 5 p.

  Research output: Contribution to journal › Article

  Open Access

  File

  • analog to digital converters
  • carrier frequencies
  • noise measurement
  • Microwaves
  • sampling
  1 Citation (Scopus)

  283 Downloads (Pure)

• Extremely low-loss acoustic phonons in a quartz bulk acoustic wave resonator at millikelvin temperature

  Goryachev, M., Creedon, D., Ivanov, E., Galliou, S., Bourquin, R. & Tobar, M., 2012, In : Applied Physics Letters. 100, 24, p. 5pp

  Research output: Contribution to journal › Article
  63 Citations (Scopus)

• 'Fast light' effect in experiments with cryogenic resonators

  Ivanov, E., Bourhill, J., Creedon, D., Hartnett, J. & Tobar, M., 2012, In : JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS. 45, 0, p. 4pp

  Research output: Contribution to journal › Article
  1 Citation (Scopus)

• Frequency transposing measurement technique for oscillator comparisons

  Hartnett, J. G., Parker, S. & Ivanov, E., 2013, In : Electronics Letters. 49, 15, p. 953-955

  Research output: Contribution to journal › Article

  • Frequency stability
  • Phase noise
  • Bandwidth
  5 Citations (Scopus)

• Generation of 103.75 GHz CW source with 5.10 -16 frequency instability using cryogenic sapphire oscillators

  Bara, R., Le Floch, J-M., Tobar, M., Stanwix, P., Parker, S., Hartnett, J. & Ivanov, E., 2012, In : IEEE Microwave and Wireless Components Letters. 22, 2, p. 85-87

  Research output: Contribution to journal › Article
  9 Citations (Scopus)

• Generation of pure phase and amplitude-modulated signals at microwave frequencies

  Ivanov, E., 2012, In : Review of Scientific Instruments. 83, 6, p. 4pp

  Research output: Contribution to journal › Article
  1 Citation (Scopus)

• Inducing strong non-linearities in a phonon trapping quartz Bulk Acoustic Wave resonator coupled to a superconducting Quantum Interference Device

  Goryachev, M., Ivanov, E. N., Galliou, S. & Tobar, M. E., 11 Apr 2018, In : Applied Sciences (Switzerland). 8, 4, 602.

  Research output: Contribution to journal › Article

  Open Access

  • Phonons
  • SQUIDs
  • Quartz
  • Resonators
  • quartz
  1 Citation (Scopus)

• Metallic spintronic thin film as a hydrogen sensor

  Chang, C., Kostylev, M. & Ivanov, E., 2013, In : Applied Physics Letters. 102, 14, p. 5pp

  Research output: Contribution to journal › Article

  • cobalt
  • sensors
  • hydrogen
  • ferromagnetic resonance
  • palladium
  50 Citations (Scopus)

• Microwave magnetic dynamics in highly conducting magnetic nanostructures

  Kostylev, M., Ding, J., Ivanov, E., Samarin, S. & Adeyeye, A. O., 7 May 2014, In : Journal of Applied Physics. 115, 17, p. 173903

  Research output: Contribution to journal › Article

  Open Access

  File

  • ferromagnetic resonance
  • microwaves
  • conduction
  • eddy currents
  • excitation
  12 Citations (Scopus)

  209 Downloads (Pure)

• Next Generation of Phonon Tests of Lorentz Invariance using Quartz BAW Resonators

  Goryachev, M., Kuang, Z., Ivanov, E. N., Haslinger, P., Muller, H. & Tobar, M. E., Jun 2018, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 65, 6, p. 991-1000

  Research output: Contribution to journal › Article

  Open Access

  File

  • Phonons
  • Quartz
  • Invariance
  • Resonators
  • invariance
  7 Citations (Scopus)

  387 Downloads (Pure)

• Noise properties of cryogenic microwave amplifiers and relevance to oscillator frequency stabilization

  Ivanov, E., Parker, S., Bara-Maillet, R. & Tobar, M., 2014, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 61, 4, p. 575-581

  Research output: Contribution to journal › Article

  • Microwave amplifiers
  • microwave amplifiers
  • Cryogenics
  • cryogenics
  • stabilization
  2 Citations (Scopus)

• Observation of the fundamental Nyquist noise limit in an ultra-high Q-factor cryogenic bulk acoustic wave cavity

  Goryachev, M., Ivanov, E., Van Kann, F., Galliou, S. & Tobar, M., 13 Oct 2014, In : Applied Physics Letters. 105, 15, p. 153505 1-5 5 p., 153505.

  Research output: Contribution to journal › Article

  • cryogenics
  • Q factors
  • cavities
  • acoustics
  • cryogenic temperature
  14 Citations (Scopus)

• Optimum design of a high-Q room-temperature whispering-gallery-mode X-band sapphire resonator

  Hartnett, J., Tobar, M., Ivanov, E. & Luiten, A., 2013, In : IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control. 60, 6, p. 1041-1047

  Research output: Contribution to journal › Article

  • Whispering gallery modes
  • Sapphire
  • whispering gallery modes
  • superhigh frequencies
  • Resonators
  4 Citations (Scopus)

• Precision measurement of a low-loss cylindrical dumbbell-shaped sapphire mechanical oscillator using radiation pressure

  Bourhill, J., Ivanov, E. & Tobar, M., 11 Aug 2015, In : Physical Review A - Atomic, Molecular, and Optical Physics. 92, 2, p. 023817-1 - 023817-12

  Research output: Contribution to journal › Article

  • mechanical oscillators
  • radiation pressure
  • sapphire
  • crystals
  • frequency modulation
  8 Citations (Scopus)

• Radio frequency signals synthesised from independent cryogenic sapphire oscillators

  Hartnett, J. G., Parker, S., Ivanov, E., Povey, T., Nand, N. R. & Le Floch, J-M., 28 Feb 2014, In : Electronics Letters. 50, 4, p. 294-295 2 p.

  Research output: Contribution to journal › Article

  • Sapphire
  • Frequency stability
  • Phase noise
  • Cryogenics
  • Microwaves
  6 Citations (Scopus)

• Resonator power to frequency conversion in a cryogenic sapphire oscillator

  Nand, N. R., Parker, S., Ivanov, E., Le Floch, J-M., Hartnett, J. G. & Tobar, M., 2013, In : Applied Physics Letters. 103, 4, p. 043502-1 - 043502-4

  Research output: Contribution to journal › Article

  • frequency converters
  • cryogenics
  • sapphire
  • resonators
  • oscillators
  14 Citations (Scopus)

• Rigorous analysis of highly tunable cylindrical transverse magnetic mode re-entrant cavities

  Le Floch, J-M., Fan, Y., Aubourg, M., Cros, D., Carvalho, N. C., Shan, Q., Bourhill, J., Ivanov, E., Humbert, G., Madrangeas, V. & Tobar, M., 2013, In : Review of Scientific Instruments. 84, 12, p. 125114-1 - 125114-7

  Research output: Contribution to journal › Article
  33 Citations (Scopus)

• Simulating GPS radio signal to synchronize network-a new technique for redundant timing

  Shan, Q., Jun, Y., Le Floch, J-M., Fan, Y., Ivanov, E. & Tobar, M., 2014, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 61, 7, p. 1075-1085

  Research output: Contribution to journal › Article

  • Global Positioning System
  • radio signals
  • Global positioning system
  • time measurement
  • spacecraft
  2 Citations (Scopus)

• Sub-Doppler cooling of ytterbium with the 1S0- 1P1 transition including 171Yb (I=1/2)

  Kostylev, N., Ivanov, E., Tobar, M. & Mcferran, J., Jul 2014, In : Journal of the Optical Society of America B: Optical Physics. 31, 7, p. 1614-1620

  Research output: Contribution to journal › Article

  • ytterbium
  • traps
  • cooling
  • isotopes
  • manned orbital telescopes
  6 Citations (Scopus)

• The low-energy N = 4 SYM effective action in diverse harmonic superspaces

  Buchbinder, I. L., Ivanov, E. A. & Samsonov, I. B., 1 May 2017, In : Physics of Particles and Nuclei. 48, 3, p. 333-388 56 p.

  Research output: Contribution to journal › Article

  • subgroups
  • supersymmetry
  • harmonics
  • symmetry
  • scalars
  11 Citations (Scopus)

• The ORGAN experiment: An axion haloscope above 15 GHz

  McAllister, B. T., Flower, G., Ivanov, E. N., Goryachev, M., Bourhill, J. & Tobar, M. E., Dec 2017, In : Physics Of The Dark Universe. 18, p. 67-72 6 p.

  Research output: Contribution to journal › Article
  81 Citations (Scopus)

• The phase accumulation and antenna near field of microscopic propagating spin wave devices

  Chang, C., Kostylev, M., Ivanov, E., Ding, J. & Adeyeye, A. O., 20 Jan 2014, In : Applied Physics Letters. 104, 3, 4 p., 032408.

  Research output: Contribution to journal › Article

  Open Access

  File

  • magnons
  • antennas
  • near fields
  • Permalloys (trademark)
  • magnetostatics
  19 Citations (Scopus)

  313 Downloads (Pure)
• Abstract

  Testing Lorentz invariance using rotating cryogenic sapphire oscillators

  Parker, S. R., Nagel, M., Kovalchuk, E., Stanwix, P. L., Ivanov, E. N., Hartnett, J. G., Peters, A. & Tobar, M. E., 2014.

  Research output: Contribution to conference › Abstract

  • cryogenics
  • invariance
  • sapphire
  • oscillators
  • frequency stability