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SUMMARY:QSE Quantum Seminars: Towards quantum optical and acoustic phonons
 \, Mikolaj Schmidt
DTSTART:20231219T120000
DTEND:20231219T133000
DTSTAMP:20260408T074545Z
UID:1acf94402924daccc3294db16ee7852ca5ff6acb9adba140db1e9cbe
CATEGORIES:Conferences - Seminars
DESCRIPTION:Mikolaj Schmidt\nPlease join us for the QSE Center Quantum 
 Seminar with Dr. Mikolaj Schmidt from Macquarie University\, who will sp
 eak\, on Tuesday\, December 19\, about "Towards quantum optical and acous
 tic phonons”.\nLocation: GC A3 31\n\nPizzas will be available before th
 e seminar at 12:00. All PhDs\, postdocs\, students\, and PIs are welcome t
 o join us.\n\nTITLE: Towards quantum optical and acoustic phonons\n\nABST
 RACT: \nQuantum acoustics explores the non-classical dynamics of vibratin
 g mechanical systems - pendulums oscillating at exceedingly high frequenci
 es with vanishingly small amplitudes [1]. It constitutes an entirely new p
 latform for implementing quantum technologies\, and offers to cooperate wi
 th optical and electronic components to form a new paradigm of hybrid quan
 tum systems. However\, at the moment quantum acoustics lacks a central com
 ponent that enabled the success of the optical or electronic platforms - a
  source of a quantum nonlinearity. In this talk I will show two platforms 
 which can implement this key characteristic: strain-coupled transitions be
 tween states of an NV which form an acoustic two-level system [3]\, and a 
 molecular vibration with strong anharmonicity [4]. \n[1] M. Aspelmeyer et
  al.\, “Cavity optomechanics\,” Rev. Mod. Phys. 86\, 1391 (2014).\n[2]
  D. Lee et al.\, “Topical review: spins and mechanics in diamond\,” J.
  Opt. 19\, 033001 (2017).\n[3] M. K. Schmidt et al.\, “Acoustic diamond 
 resonators with ultra-small mode volumes\,” Phys. Rev. Research 2\, 0331
 53 (2021).\n[4] M. K. Schmidt and M. J. Steel\, "Molecular optomechanics i
 n the anharmonic regime: from nonclassical mechanical states to mechanical
  lasing\," arXiv:2306.15152 (2023).\n\nBIO:\nDr Schmidt works to identify 
 new\, nano- and microscale platforms for implementing high-frequency mecha
 nical analogues of the well established optical components\, including sou
 rces of non-classical states of mechanical waves and acoustic lasers. He w
 as awarded PhD from the University of the Basque Country in 2016\, for wor
 k on nanophotonics platforms for light-matter interaction\, including opti
 cal control over molecular vibrations. In 2017 he joined Macquarie Univers
 ity as a postdoctoral researcher to develop new platforms for harnessing B
 rillouin scattering\, and was subseqently awarded the Macquarie University
  Research Fellowship in 2019\, and Australian Research Council DECRA in 20
 22 to organise a research group working on hybrid quantum systems.
LOCATION:GC A3 31 https://plan.epfl.ch/?room==GC%20A3%2031
STATUS:CONFIRMED
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