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2015

Frequency stability and phase noise performance of X-band to Ka-band active multiplier

Bara-Maillet, R., Creedon, D., Parker, S., Le Floch, J-M. & Tobar, M., 30 Nov 2015, In : Electronics Letters. 51, 24, p. 2015-2017 3 p.

Research output: Contribution to journalArticle

Frequency doublers
Stimulated emission
Frequency stability
Phase noise
Amplification
2018
4 Citations (Scopus)

Stabilized Free-Space Optical Frequency Transfer

Gozzard, D. R., Schediwy, S. W., Stone, B., Messineo, M. & Tobar, M., 29 Aug 2018, In : Physical Review Applied. 10, 2, 024046.

Research output: Contribution to journalArticle

atomic clocks
ground stations
frequency stability
atmospheric turbulence
low Earth orbits
2012
53 Citations (Scopus)

A Simple Dual-Band Electromagnetic Band Gap Resonator Antenna Based on Inverted Reflection Phase Gradient

Zeb, B. A., Ge, Y., Esselle, K. P., Sun, Z. & Tobar, M., 2012, In : IEEE Transactions on Antennas and Propagation. 60, 10, p. 4522-4529

Research output: Contribution to journalArticle

2014
2 Downloads (Pure)

An ultra-stable microwave transfer technique for the ACES and future space missions

Altman, N., Schediwy, S., McFerran, J., Tobar, M. & Luiten, A., May 2014, Proceedings of the 13th Australian Space Science Conference . Short, W. & Cairns, I. (eds.). Sydney: National Space Society of Australia Ltd., p. 161-170

Research output: Chapter in Book/Conference paperConference paper

space missions
actuators
microwaves
satellite laser ranging
navigation
2011
10 Citations (Scopus)

Electromagnetic properties of polycrystalline diamond from 35 K to room temperature and microwave to terahertz frequencies

Floch, J-M., Bara, R., Hartnett, J., Tobar, M., Mouneyrac, D., Passerieux, D., Cros, D., Krupka, J., Goy, P. & Caroopen, S., 2011, In : Journal of Applied Physics. 109, 9, p. 6pp

Research output: Contribution to journalArticle

2010
3 Citations (Scopus)

Detrapping and retrapping of free carriers in nominally pure single crystal GaP, GaAs, and 4H-SiC semiconductors under light illumination at cryogenic temperatures

Mouneyrac, D., Hartnett, J., Le Floch, J-M., Tobar, M., Cros, D. & Krupka, J., 2010, In : Journal of Applied Physics. 108, 10, p. Article number 104107, 6pp

Research output: Contribution to journalArticle

2013
10 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 journalArticle

frequency converters
cryogenics
sapphire
resonators
oscillators
2016
11 Citations (Scopus)

Enhanced sensitivity to Lorentz invariance violations in short-range gravity experiments

Shao, C. G., Chen, Y. F., Tan, Y. J., Luo, J., Yang, S. Q. & Tobar, M. E., 2016, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 94, 10, 104061.

Research output: Contribution to journalArticle

invariance
gravitation
sensitivity
pendulums
geometry
2013

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 paperConference paper

invariance
congressional reports
sapphire
microwaves
beat frequencies
2010
7 Citations (Scopus)

Precise phase synchronization of a cryogenic microwave oscillator

Ivanov, E., Mouneyrac, D., Le Floch, J-M., Tobar, M. & Cros, D., 2010, In : Review of Scientific Instruments. 81, p. Article 064702, 5pp

Research output: Contribution to journalArticle

2018

The ORGAN Experiment

McAllister, B. T. & Tobar, M. E., 1 Jan 2018, Microwave Cavities and Detectors for Axion Research - Proceedings of the 2nd International Workshop. Carosi, G., Rybka, G. & van Bibber, K. (eds.). USA: Springer Science + Business Media, Vol. 211. p. 119-125 7 p.

Research output: Chapter in Book/Conference paperConference paper

resonators
methodology
2012
12 Citations (Scopus)

Oscillating test of the isotropic shift of the speed of light

Baynes, F., Tobar, M. & Luiten, A., 2012, In : Physical Review Letters. 108, p. 5pp

Research output: Contribution to journalArticle

2010

Microwave cavity search for paraphotons

Povey, R., Hartnett, J. & Tobar, M., 2010, Frontiers of Fundamental and Computational Physics, 10th International Symposium. Hartnett, J. & Abbott, P. (eds.). Perth, Western Australia ed. Melville, New York: American Institute of Physics, Vol. 1246. p. 149-153

Research output: Chapter in Book/Conference paperConference paper

2011

Improvements to data analysis and design of a rotating Michelson-Morley experiment using cryogenic sapphire microwave oscillators

Parker, S. R., Tobar, M. E. & Stanwix, P. L., 2011, Proceedings of the 5th Meeting on CPT and Lorentz Symmetry. Kostelecky, V. A. (ed.). Bloomington, IN: World Scientific Publishing, p. 279-282 4 p.

Research output: Chapter in Book/Conference paperConference paper

microwave oscillators
cryogenics
sapphire
coefficients
2014
14 Citations (Scopus)
292 Downloads (Pure)

Invited article: Dielectric material characterization techniques and designs of high-Q resonators for applications from micro to millimeter-waves frequencies applicable at room and cryogenic temperatures

Le Floch, J-M., Fan, Y., Humbert, G., Shan, Q., Férachou, D., Bara-Maillet, R., Aubourg, M., Hartnett, J., Madrangeas, V., Cros, D., Blondy, J. M., Krupka, J. L. & Tobar, M., 20 Mar 2014, In : Review of Scientific Instruments. 85, 3, p. 1-14

Research output: Contribution to journalArticle

Open Access
File
cryogenic temperature
Millimeter waves
Cryogenics
millimeter waves
Q factors
9 Citations (Scopus)
199 Downloads (Pure)

Piezoelectric voltage coupled reentrant cavity resonator

Carvalho, N., Fan, Y., Le Floch, J-M. & Tobar, M., 14 Oct 2014, In : Review of Scientific Instruments. 85, 10, 4 p., 104705.

Research output: Contribution to journalArticle

Open Access
File
Cavity resonators
cavity resonators
Transducers
cavities
Piezoelectric materials
2018

Better than Brillouin

Bourhill, J. & Tobar, M., Jun 2018, In : Nature Physics. 14, 6, p. 531-532 2 p.

Research output: Contribution to journalArticle

resonators
acoustics
scattering
interactions
2017

Cryogenic optomechanics and the resurgence of the resonant-mass gravitational wave detector

Tobar, M. E., 13 Sep 2017, In : New Journal of Physics. 19, 2 p., 091001.

Research output: Contribution to journalEditorial

Open Access
2015
4 Citations (Scopus)
141 Downloads (Pure)

Bounds on higher-order Lorentz-violating photon sector coefficients from an asymmetric optical ring resonator experiment

Parker, S., Mewes, M., Baynes, F. & Tobar, M., 30 Oct 2015, In : Physics Letters A. 379, 42, p. 2681-2684 4 p.

Research output: Contribution to journalArticle

Open Access
File
sectors
resonators
rings
parity
photons
28 Citations (Scopus)

Search for Lorentz invariance violation through tests of the gravitational inverse square law at short ranges

Shao, C. G., Tan, Y. J., Tan, W. H., Yang, S. Q., Luo, J. & Tobar, M., 29 May 2015, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 91, 10, 5 p., 102007.

Research output: Contribution to journalArticle

Open Access
invariance
flat plates
tungsten
curvature
retarding
2014
5 Citations (Scopus)

Investigation of higher order reentrant modes of a cylindrical reentrant-ring cavity resonator

Fan, Y., Zhang, Z., Carvalho, N. C., Le Floch, J-M., Shan, Q. & Tobar, M., Aug 2014, In : IEEE Transactions on Microwave Theory and Techniques. 62, 8, p. 1657-1662

Research output: Contribution to journalArticle

Cavity resonators
cavity resonators
Resonators
Transducers
rings
2015
5 Citations (Scopus)
mechanical oscillators
radiation pressure
sapphire
frequency modulation
crystals
2016
6 Citations (Scopus)

Towards achieving strong coupling in three-dimensional-cavity with solid state spin resonance

Le Floch, J-M., Delhote, N., Aubourg, M., Madrangeas, V., Cros, D., Castelletto, S. & Tobar, M., Apr 2016, In : Journal of Applied Physics. 119, 15, p. 153901-1- 153901-8 153901.

Research output: Contribution to journalArticle

spin resonance
solid state
cavities
cavity resonators
microwaves
2017
139 Downloads (Pure)

Frequency-temperature sensitivity reduction with optimized microwave Bragg resonators

Le Floch, J. M., Murphy, C., Hartnett, J. G., Madrangeas, V., Krupka, J., Cros, D. & Tobar, M. E., 7 Jan 2017, In : Journal of Applied Physics. 121, 1, 014102.

Research output: Contribution to journalArticle

Open Access
File
resonators
microwaves
Q factors
temperature
whispering gallery modes
2011
10 Citations (Scopus)

Testing Lorentz invariance using an odd-parity asymmetric optical resonator

Baynes, F., Luiten, A. & Tobar, M., 2011, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 84, p. 5pp

Research output: Contribution to journalArticle

2012
70 Citations (Scopus)

Improved tests of local position invariance using Rb87 and Cs133 fountains

Guéna, J., Abgrall, M., Rovera, D., Rosenbusch, P., Tobar, M., Laurent, P., Clairon, A. & Bize, S., 2012, In : Physical Review Letters. 109, 8, p. 5pp

Research output: Contribution to journalArticle

2015
8 Citations (Scopus)
lithium niobates
Lithium
Photons
Microwaves
Impurities
2016
28 Citations (Scopus)
193 Downloads (Pure)

Superstrong coupling of a microwave cavity to yttrium iron garnet magnons

Kostylev, N., Goryachev, M. & Tobar, M., 8 Feb 2016, In : Applied Physics Letters. 108, 6, p. 062402-1- 062402-4 062402.

Research output: Contribution to journalArticle

Open Access
File
yttrium-iron garnet
magnons
microwaves
cavities
whispering gallery modes
2013
7 Citations (Scopus)

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 journalArticle

liquid helium
discontinuity
quartz
nonlinearity
cavities
57 Citations (Scopus)

Extremely low loss phonon-trapping cryogenic acoustic cavities for future physical experiments

Galliou, S., Goryachev, M., Bourquin, R., Abbé, P., Aubry, J. P. & Tobar, M., 2013, In : Scientific Reports. 3, p. 6pp

Research output: Contribution to journalArticle

Open Access
Phonons
Acoustics
Helium
Equipment and Supplies
Temperature
2014
2 Citations (Scopus)

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 paperConference paper

Q factors
quartz
resonators
harmonics
flicker
2016
5 Citations (Scopus)

Quality factor measurements of various types of quartz crystal resonators operating near 4 K

Galliou, S., Goryachev, M., Abbe, P., Vacheret, X., Tobar, M. & Bourquin, R., 2016, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 63, 7, p. 975-980

Research output: Contribution to journalArticle

Crystal resonators
quartz crystals
Helium
Quartz
Q factors
2015
1 Citation (Scopus)

Collective behavior of Cr3+ ions in ruby revealed by whispering gallery modes

Bourhill, J., Goryachev, M., Farr, W. G. & Tobar, M., 4 Aug 2015, In : Physical Review A - Atomic, Molecular, and Optical Physics. 92, 2, p. 023805-1 - 023805-5 023805 .

Research output: Contribution to journalArticle

ruby
whispering gallery modes
ions
photons
phase matching
6 Citations (Scopus)

Creating tuneable microwave media from a two-dimensional lattice of re-entrant posts

Goryachev, M. & Tobar, M., 24 Nov 2015, In : Journal of Applied Physics. 118, 20, p. 204504-1 - 204504-8 8 p.

Research output: Contribution to journalArticle

microwaves
cavities
resonators
microwave oscillators
whispering gallery modes
2017
3 Citations (Scopus)

Low-temperature microwave properties of biaxial YAlO3

Carvalho, N. C., Goryachev, M., Krupka, J., Bushev, P. & Tobar, M. E., 27 Jul 2017, In : Physical Review B: Covering condensed matter and materials physics. 96, 4, 7 p., 045141.

Research output: Contribution to journalArticle

2015
12 Citations (Scopus)
Open Access
microwave oscillators
harmonic oscillators
engineering
cavities
rings
2016
19 Citations (Scopus)

Acoustic Tests of Lorentz Symmetry Using Quartz Oscillators

Lo, A., Haslinger, P., Mizrachi, E., Anderegg, L., Mueller, H., Hohensee, M., Goryachev, M. & Tobar, M., 24 Feb 2016, In : Physical Review X. 6, 1, 011018.

Research output: Contribution to journalArticle

Open Access
sectors
quartz
oscillators
acoustics
symmetry
2017
5 Citations (Scopus)

Determination of low loss in isotopically pure single crystal 28Si at low temperatures and single microwave photon energy

Kostylev, N., Goryachev, M., Bulanov, A. D., Gavva, V. A. & Tobar, M. E., 20 Mar 2017, In : Scientific Reports. 7, 44813.

Research output: Contribution to journalArticle

Open Access
Microwaves
Photons
Optics and Photonics
Temperature
2019

Experimental implementations of cavity-magnon systems: from ultra strong coupling to applications in precision measurement

Flower, G., Goryachev, M., Bourhill, E. & Tobar, M. E., 12 Sep 2019, In : New Journal of Physics. 21, 11 p., 095004.

Research output: Contribution to journalArticle

Open Access
2018

Novel Resonators for Axion Haloscopes

McAllister, B. T., Goryachev, M. & Tobar, M. E., 1 Jan 2018, Microwave Cavities and Detectors for Axion Research - Proceedings of the 2nd International Workshop. Carosi, G., Rybka, G. & van Bibber, K. (eds.). USA: Springer Science + Business Media, Vol. 211. p. 53-59 7 p.

Research output: Chapter in Book/Conference paperConference paper

resonators
microwaves
cavities
rooms
dark matter
2019
3 Citations (Scopus)

Probing dark universe with exceptional points

Goryachev, M., McAllister, B. & Tobar, M. E., 1 Jan 2019, In : Physics Of The Dark Universe. 23, 100244.

Research output: Contribution to journalArticle

universe
cavity
cavities
cryogenic temperature
acceleration (physics)

Axion detection with precision frequency metrology

Goryachev, M., McAllister, B. T. & Tobar, M. E., 1 Dec 2019, In : Physics Of The Dark Universe. 26, 100345.

Research output: Contribution to journalArticle

metrology
cavity
electrodynamics
frequency control
electronic control
2014
12 Citations (Scopus)
164 Downloads (Pure)

Effects of geometry on quantum fluctuations of phonon-trapping acoustic cavities

Goryachev, M. & Tobar, M., 4 Aug 2014, In : New Journal of Physics. 16, p. 083007

Research output: Contribution to journalArticle

Open Access
File
trapping
harmonics
cavities
acoustics
geometry
9 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 journalArticle

cryogenics
Q factors
cavities
acoustics
cryogenic temperature
12 Citations (Scopus)
480 Downloads (Pure)
Open Access
File
whispering gallery modes
degrees of freedom
photons
cavities
Q factors
2 Citations (Scopus)

Metal bulk foil resistor characterization for BAW application at low cryogenic temperatures

Bara-Maillet, R., Goryachev, M., Creedon, D., Le Floch, J-M. & Tobar, M., Mar 2014, In : IEEE Transactions on Instrumentation and Measurement. 63, 3, p. 628-632

Research output: Contribution to journalArticle

cryogenic temperature
resistors
Resistors
Cryogenics
Metal foil
2018

Rigorous ESR spectroscopy of Fe3+ impurity ion with oxygen vacancy in ferroelectric SrTiO3 crystal at 20 mK

Hosain, M. A., Le Floch, J-M., Krupka, J. & Tobar, M. E., 25 Jul 2018, In : Journal of Physics-Condensed Matter. 30, 29, 6 p., 295805.

Research output: Contribution to journalArticle

2011

Low-Loss Dielectric Material Characterization and High-Q Resonator Design from Microwave to Millimetre Waves Frequencies

Le Floch, J-M., Tobar, M., Humbert, G., Mouneyrac, D., Férachou, D., Bara, R., Aubourg, M., Hartnett, J., Cros, D., Blondy, J-M. & Krupka, J., 2011, In : Journal of Physical Science and Application. 1, 1, p. 15-28

Research output: Contribution to journalLetter

2014

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 conferenceAbstract

cryogenics
invariance
sapphire
oscillators
frequency stability