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  • Michael Tobar

Whispering Gallery mode ESR spectroscopy and parameters measurement in single crystal SrLaAlO4 at millikelvin temperature

Hosain, M. A., Le Floch, J. M., Krupka, J. & Tobar, M. E., 1 Aug 2017, In : Journal of Magnetic Resonance. 281, p. 209-216 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Whispering gallery mode dielectric spectroscopy of SrLaAlO4 at milliKelvin temperatures

Hosain, M. A., Le Floch, J. M., Krupka, J., Bourhill, J. F. & Tobar, M. E., 21 Jun 2018, In : Journal of Applied Physics. 123, 23, 234103.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Ultrahigh cooperativity interactions between magnons and resonant photons in a YIG sphere

Bourhill, J., Kostylev, N., Goryachev, M., Creedon, D. & Tobar, M., 25 Apr 2016, In : Physical Review B - Condensed Matter and Materials Physics. 93, 14, 144420.

Research output: Contribution to journalArticle

52 Citations (Scopus)

Tunable supermode dielectric resonators for axion dark-matter haloscopes

McAllister, B. T., Flower, G., Tobar, L. E. & Tobar, M. E., 26 Jan 2018, In : Physical Review Applied. 9, 1, 014028.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Towards Cryogenic Quartz Oscillators: Coupling of a Bulk Acoustic Wave quartz resonator to a SQUID

Goryachev, M., Ivanov, E. N., Tobar, M. E. & Galliou, S., 2016, 2016 IEEE International Frequency Control Symposium. Maleki, L. & Partridge, A. (eds.). IEEE, Institute of Electrical and Electronics Engineers, 7563583

Research output: Chapter in Book/Conference paperConference paper

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

7 Citations (Scopus)

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

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 journalArticle

51 Citations (Scopus)

Testing the generalized uncertainty principle with macroscopic mechanical oscillators and pendulums

Bushev, P. A., Bourhill, J., Goryachev, M., Kukharchyk, N., Ivanov, E., Galliou, S., Tobar, M. E. & Danilishin, S., 20 Sep 2019, In : Physical Review D. 100, 6, 066020.

Research output: Contribution to journalArticle

3 Citations (Scopus)

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
37 Citations (Scopus)
248 Downloads (Pure)

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

6 Citations (Scopus)

Sensitivity characterisation of a parametric transducer for gravitational wave detection through optical spring effect

Carvalho, N. C., Bourhill, J., Tobar, M. E. & Aguiar, O. D., 28 Jul 2017, In : Classical and Quantum Gravity. 34, 17, 175001.

Research output: Contribution to journalArticle

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

Reconfigurable Microwave Photonic Topological Insulator

Goryachev, M. & Tobar, M. E., 9 Dec 2016, In : Physical Review Applied. 6, 6, 064006.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Quartz-superconductor quantum electromechanical system

Woolley, M. J., Emzir, M. F., Milburn, G. J., Jerger, M., Goryachev, M., Tobar, M. & Fedorov, A., 28 Jun 2016, In : Physical Review B - Condensed Matter and Materials Physics. 93, 22, 224518.

Research output: Contribution to journalArticle

Open Access
File
9 Citations (Scopus)
250 Downloads (Pure)

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

6 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

4 Citations (Scopus)

Precision Frequency Metrology for Axion Searches

Goryachev, M., Mcallister, B. & Tobar, M. E., 2019, IFCS/EFTF 2019 - Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum, Proceedings. IEEE, Institute of Electrical and Electronics Engineers, 8856108. (IFCS/EFTF 2019 - Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum, Proceedings).

Research output: Chapter in Book/Conference paperConference paper

Piezo-optomechanical coupling of a 3D microwave resonator to a bulk acoustic wave crystalline resonator

Carvalho, N. C., Bourhill, J., Goryachev, M., Galliou, S. & Tobar, M. E., 18 Nov 2019, In : Applied Physics Letters. 115, 21, 211102.

Research output: Contribution to journalArticle

Piezoelectric tunable microwave superconducting cavity

Carvalho, N. C., Fan, Y. & Tobar, M. E., 20 Sep 2016, In : Review of Scientific Instruments. 87, 9, p. 094702-1 - 094702-4

Research output: Contribution to journalArticle

8 Citations (Scopus)

Observation of lowerature magnetomechanic effects in crystalline resonant phonon cavities

Goryachev, M., Galliou, S. & Tobar, M. E., 22 Nov 2019, In : Physical Review B. 100, 17, 174108.

Research output: Contribution to journalArticle

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

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 journalArticle

Open Access
File
2 Citations (Scopus)
251 Downloads (Pure)
3 Citations (Scopus)

Methods for coherent optical Doppler orbitography

Dix-Matthews, B. P., Schediwy, S. W., Gozzard, D. R., Driver, S., Schreiber, K. U., Carman, R. & Tobar, M., 1 Jun 2020, In : Journal of Geodesy. 94, 6, 55.

Research output: Contribution to journalArticle

Low-Temperature Properties of Whispering-Gallery Modes in Isotopically Pure Silicon-28

Bourhill, J., Goryachev, M., Creedon, D. L., Johnson, B. C., Jamieson, D. N. & Tobar, M. E., 15 Apr 2019, In : Physical Review Applied. 11, 4, 044044.

Research output: Contribution to journalArticle

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

3 Citations (Scopus)

Isotopically Pure Silcon-28 Whispering Gallery Mode Resonators: A Host for Narrow Linewidth Spin Ensembles

Tobar, M. E., Bourhill, J., Goryachev, M., Creedon, D., Johnson, B. C. & Jamieson, D., 14 May 2019, 2018 Conference on Optoelectronic and Microelectronic Materials and Devices, COMMAD 2018. IEEE, Institute of Electrical and Electronics Engineers, p. 41-42 2 p. 8715244. (2018 Conference on Optoelectronic and Microelectronic Materials and Devices, COMMAD 2018).

Research output: Chapter in Book/Conference paperConference paper

Open Access
1 Citation (Scopus)

Indirect methods to control population distribution in a large spin system

Zhao, L., Goryachev, M., Bourhill, J. & Tobar, M. E., 1 Mar 2017, In : New Journal of Physics. 19, 3, 033016.

Research output: Contribution to journalArticle

Open Access

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 paperConference paper

Impact of coatings on the quality factor of a quartz crystal resonator at liquid helium temperature

Galliou, S., Vacheret, X., Abbe, P., Bourquin, R., Deleglise, S., Neuhaus, L., Karassouloff, T., Briant, T., Cohadon, P. F., Heidmann, A., Goryachev, M., Tobar, M. E., Dolique, V., Pinard, L., Michel, C. & Cagnoli, G., 2016, 2016 IEEE International Frequency Control Symposium, IFCS 2016 - Proceedings. Partridge, A. (ed.). IEEE, Institute of Electrical and Electronics Engineers

Research output: Chapter in Book/Conference paperConference paper

High-Stability Comparison of Atomic Fountains Using Two Different Cryogenic Oscillators

Abgrall, M., Guena, J., Lours, M., Santarelli, G., Tobar, M. E., Bize, S., Grop, S., Dubois, B., Fluhr, C. & Giordano, V., 2016, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 63, 8, p. 1198-1203 6 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Higher order reentrant post modes in cylindrical cavities

McAllister, B. T., Shen, Y., Flower, G., Parker, S. R. & Tobar, M. E., 14 Oct 2017, In : Journal of Applied Physics. 122, 14, 144501.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Glasses: Achieving long phonon lifetimes

Goryachev, M. & Tobar, M. E., 22 Feb 2017, In : Nature Materials. 16, 3, p. 285-286 2 p.

Research output: Contribution to journalComment/debate

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
1 Citation (Scopus)
297 Downloads (Pure)

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 paperConference paper

Ferroelectric phase transition and crystal asymmetry monitoring of SrTiO3 using quasi TE m,1,1 and quasi TM m,1,1 modes

Hosain, M. A., Le Floch, J. M., Bourhill, J. F., Krupka, J. & Tobar, M. E., 14 Sep 2019, In : Journal of Applied Physics. 126, 10, 104102.

Research output: Contribution to journalArticle

Experiments match simulations in a multiple post reentrant cavity

De Paula, L. A. N., Goryachev, M. & Tobar, M. E., 1 Dec 2017, In : Review of Scientific Instruments. 88, 12, 125104.

Research output: Contribution to journalArticle

1 Citation (Scopus)

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
1 Citation (Scopus)

Experimental implementation of a large scale multipost re-entrant array

Goryachev, M., Jeong, J. & Tobar, M. E., 1 May 2019, In : Applied Physics Express. 12, 5, 4 p., 054002.

Research output: Contribution to journalArticle

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

11 Citations (Scopus)

Electromagnetic properties of terbium gallium garnet at millikelvin temperatures and low photon energy

Kostylev, N., Goryachev, M., Bushev, P. & Tobar, M. E., 31 Jul 2017, In : Applied Physics Letters. 111, 5, 052402.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Electrodynamic improvements to the theory of magnetostatic modes in ferrimagnetic spheres and their applications to saturation magnetization measurements

Krupka, J., Pacewicz, A., Salski, B., Kopyt, P., Bourhill, J., Goryachev, M. & Tobar, M., 1 Oct 2019, In : Journal of Magnetism and Magnetic Materials. 487, 165331.

Research output: Contribution to journalArticle

1 Citation (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

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

Combined Search for Lorentz Violation in Short-Range Gravity

Shao, C. G., Tan, Y. J., Tan, W. H., Yang, S. Q., Luo, J., Tobar, M., Bailey, Q. G., Long, J. C., Weisman, E., Xu, R. & Kostelecký, V. A., 10 Aug 2016, In : Physical Review Letters. 117, 7, p. 071102-1 - 071102-6

Research output: Contribution to journalArticle

Open Access
File
34 Citations (Scopus)
372 Downloads (Pure)

Combined Search for a Lorentz-Violating Force in Short-Range Gravity Varying as the Inverse Sixth Power of Distance

Shao, C-G., Chen, Y-F., Tan, Y-J., Yang, S-Q., Luo, J., Tobar, M. E., Long, J. C., Weisman, E. & Kostelecky, V. A., 10 Jan 2019, In : Physical Review Letters. 122, 1, 7 p., 011102.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Cavity magnon polaritons with lithium ferrite and three-dimensional microwave resonators at millikelvin temperatures

Goryachev, M., Watt, S., Bourhill, J., Kostylev, M. & Tobar, M. E., 13 Apr 2018, In : Physical Review B. 97, 15, 155129.

Research output: Contribution to journalArticle

12 Citations (Scopus)