Brillouin optomechanics: from strong coupling to single-phonon-level operations

Georg Enzian; Lars Freisem; John J. Price; Andreas O. Svela; Jack Clarke; Magdalena Szczykulska; Joshua Nunn; Ian A. Walmsley; Jonathan Silver; Leonardo Del Bino; Shuangyou Zhang; Pascal Del'Haye; Biveen Shajilal; Jiri Janousek; Ben C. Buchler; Ping Koy Lam; Michael R. Vanner

doi:10.1117/12.2616725

2 March 2022 Brillouin optomechanics: from strong coupling to single-phonon-level operations

Georg Enzian, Lars Freisem, John J. Price, Andreas O. Svela, Jack Clarke, Magdalena Szczykulska, Joshua Nunn, Ian A. Walmsley, Jonathan Silver, Leonardo Del Bino, Shuangyou Zhang, Pascal Del'Haye, Biveen Shajilal, Jiri Janousek, Ben C. Buchler, Ping Koy Lam, Michael R. Vanner

Author Affiliations +

Proceedings Volume 12016, Optical and Quantum Sensing and Precision Metrology II; 120160E (2022) https://doi.org/10.1117/12.2616725
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Backward Brillouin scattering in whispering-gallery-mode micro-resonators offers an exciting avenue to pursue both classical and quantum optomechanics applications. Our team—the Quantum Measurement Lab—together with our collaborators, are currently utilizing this regime and the favourable properties it affords for non- Gaussian motional state preparation of the acoustic field. In particular, the high mechanical frequencies, and low optical absorption and heating provide a promising route to overcome current hindrances within optomechanics. Three of our recent experimental results in this area include: (i) Brillouin optomechanical strong coupling, (ii) single-phonon addition or subtraction to a thermal state of the acoustic field, and (iii) performing phase-space tomography of non-Gaussian states generated by single- and multi-phonon subtraction. This SPIE presentation will cover these three results, what they enable, and the broader direction of our lab including the prospects of this platform for quantum-memory applications.

Conference Presentation

Citation Download Citation

Georg Enzian, Lars Freisem, John J. Price, Andreas O. Svela, Jack Clarke, Magdalena Szczykulska, Joshua Nunn, Ian A. Walmsley, Jonathan Silver, Leonardo Del Bino, Shuangyou Zhang, Pascal Del'Haye, Biveen Shajilal, Jiri Janousek, Ben C. Buchler, Ping Koy Lam, and Michael R. Vanner "Brillouin optomechanics: from strong coupling to single-phonon-level operations", Proc. SPIE 12016, Optical and Quantum Sensing and Precision Metrology II, 120160E (2 March 2022); https://doi.org/10.1117/12.2616725

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