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Tobias Kippenberg Thesis Statement

Main Publications

  • Cavity Quantum Optomechanics
     

A dissipative quantum reservoir for microwave light using a mechanical oscillator,
Nature Physics (2017)

Measurement and control of a mechanical oscillator at its thermal decoherence rate,
Nature (2015)

Cavity optomechanics,
Review of Modern Physics (2014)

Quantum-coherent coupling of a mechanical oscillator to an optical cavity mode,
Nature (2012)

Optomechanically induced transparency,
Science (2010)

Cavity Optomechanics: Back-Action at the Mesoscale,
Science (2008)

Resolved Sideband Cooling of a Micromechanical Oscillator,
Nature Physics (2008) - Highlighted in "Frozen Motion" Nature Physics

Radiation pressure cooling of a micromechanical oscillator using dynamical backaction,
Physical Review Letters (2006) - Highlighted in "Mirror Finish" Nature Milestones

 

  • Microresonator Frequency Combs
     

Microresonator-based solitons for massively parallel coherent optical communications, Nature (2017) - Highlighted in "One ring to multiplex them all" Nature News & Views

Photonic chip-based optical frequency comb using soliton Cherenkov radiation,
Science (2015) - Highlighted in Science.

Temporal solitons in optical microresonators,
Nature Photonics (2014) - Highlighted in ''Frequency combs: Cavity solitons come of age​​​​​​​'' Nature News & Views

Optical frequency comb generation from a monolithic microresonator,
Nature (2007) - Highlighted in "New generation of combs"  Nature News & Views

Contact

Laboratoire de Photonique et de Mesure Quantique (LPQM)

EPFL SB IPHYS LPQM1 
PH D3 (Bâtiment PH) 
Station 3 
CH-1015 Lausanne
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Prof. Tobias Kippenberg
Tel: +41 (0) 21 693 4428

Gurus of Raman Spectroscopy

A group from the École polytechnique fédérale de Lausanne in Switzerland has proposed a potentially disruptive new model – dynamical backaction amplification (DBA) of molecular vibrations – to explain unexpected observations in surface-enhanced Raman spectroscopy (SERS). And they believe the work will open up opportunities for novel systems that further enhance the detection capability of SERS. However, the model has not been fully accepted by the spectroscopy community, with other researchers heading in different directions. Volker Deckert (University of Jena and Leibniz Institute of Photonic Technology, Germany) and Duncan Graham (University of Strathclyde and Renishaw Diagnostics, UK) offer their own thoughts on the future of Raman spectroscopy.

The set of vibrational frequencies of a molecule constitutes its unique fingerprint. Vibrational modes that are “Raman-active” interact with incident laser light in an inelastic scattering process. This results in secondary photons with a frequency shifted from the incident ones by the vibrational frequency. Raman spectroscopy leverages this process to optically measure the vibrational spectrum of a molecule (or a material) and thus reveal its chemical identity.

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