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5 October 2023 Phonon lasing creation and transfer in an optically levitated nanopartical system
Kai Zhang, Danika Luntz-Martin, Sandeep Sharma, Mishkatul Bhattacharya, Nick Vamivakas
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Proceedings Volume PC12649, Optical Trapping and Optical Micromanipulation XX; PC126490O (2023) https://doi.org/10.1117/12.2675045
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Phonon lasers are extensively researched as mechanical counterparts to optical lasers for various applications. An optical tweezer phonon laser was developed, but it only affected one degree of movement. To address this, we introduced a multimode levitated nanoparticle to transfer coherence between different oscillation directions. Coupling was achieved by rotating the asymmetric optical potential via trap laser polarization rotation. The change in power spectral density showed the feature of lasing transfer before and after coupling, and the mean phonon number of the system was saturated. Coherence was confirmed by measuring second-order auto-correlation function of the oscillation modes. Coupled laser systems have potential in precision measurement and quantum information processing.
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Kai Zhang, Danika Luntz-Martin, Sandeep Sharma, Mishkatul Bhattacharya, and Nick Vamivakas "Phonon lasing creation and transfer in an optically levitated nanopartical system", Proc. SPIE PC12649, Optical Trapping and Optical Micromanipulation XX, PC126490O (5 October 2023); https://doi.org/10.1117/12.2675045
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KEYWORDS
Phonons
Laser optics
Laser applications
Laser systems engineering
Optical coherence
Quantum coherence
Quantum systems
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