CNRS/C2N : Optomechanics with photonic crystals 
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NanoPhotonIQ > Optomechanics with photonic crystals
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Optomechanics deals with the interaction of light with a mechanical oscillator. It utilizes the coupling between light and the geometry of a mechanical oscillator (for example through radiation pressure) to read or tailor the mechanical motion of the oscillator. This coupling is stronger at the nano-scale because of the very small mass of nano-mechanical oscillators.

The Optomechanics with photonic crystals investigates the nano-optomechanics of suspended photonic crystal membranes. Depending on the arrangement of holes, the membrane can either act as a deformable end-mirror in a conventional Fabry-Perot cavity [1] or include a cavity of diffraction-limited volume that simultaneously confines both phonons (i.e. mechanical vibrations) and photons. These structures combine cavity enhancement and low mass and thus exhibit strong mechanical coupling to light. In particular, optomechanical resonators formed by conventional photonic crystal membranes sustain mechanical modes in the GHz frequency range, which are highly coupled to light [2].



Figure 1: Top view Scanning Electron Microscopy images of 260-nm thick InP photonic crystal slabs. (Left) Slab with square lattice of holes, acting as a mirror at normal incidence. (Right) Slab bonded over a silicon optical waveguide and with a triangular lattice of holes, embedding an optical microcavity (cavity = three missing holes in a line). .

The team presently pursues several issues in this field: the engineeering of integrated and scalable nano-optomechanical devices combining simulatenaously optical and acoustic integrated actuation/detection functionalities, the exploration of the involved photon-phonon interactions and the use of the optomechanical coupling for applications in signal processing and metrology.

The team is involved, in strong interaction with key in-house facilities, in the the design, growth , fabrication and characterization of the optomechanical platforms. The team is also involved in collaborations, in particular with :

LKB "Optomechanics and quantum measurement" Team at Laboratoire Kastler Brossel FEMTO-ST The "Phononics" team at FEMTO-ST
EPFL K-LAB at EPFL

References:

[1] Deformable two-dimensional photonic crystal slab for cavity optomechanics,
T. Antoni, A. Kuhn, T. Briant, P.-F. Cohadon, A. Heidmann, R. Braive, A. Beveratos, I. Abram, L. Le Gratiet, I. Sagnes and I. Robert-Philip,
Opt. Lett. 36, 3434 (2011)

[2] Optomechanical Coupling in a Two-Dimensional Photonic Crystal Defect Cavity,
E. Gavartin, R. Braive, I. Sagnes, O. Arcizet, A. Beveratos, T. Kippenberg, I. Robert-Philip,
Phys. Rev. Lett. 106, 203902 (2011)

[3] Integrated III-V Photonic Crystal – Si waveguide platform with tailored optomechanical coupling,
V. Tsvirkun, A. Surrente, F. Raineri, G. Beaudoin, R. Raj, I. Sagnes, I. Robert-Philip, R. Braive,
Sci. Rep. 5, 16526 (2015)



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Puce Members

Contacts

 Braive Rémy  (+33) 1 69 63 60 49  
 Robert-Philip Isabelle  (+33) 1 69 63 61 79  

And also...

 Madiot Guilhem  (+33) 1 69 63 61 79  
 Zhu Rui  (+33) 1 69 63 61 77  

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Puce Internship Training proposals

PhDs

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Puce Publications

Publication in journals
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Puce Contracts and projects

    Puce International Projects

      OMT : ETN OptoMechanical Technologies

      Reference contract : Marie Curie H2020-ETN OMT 722923
      Coordinator, Partner(s) : T. Kippenberg (EPFL),
      C2N leader(s): Rémy Braive
      Main goals : In the past decade a technological and scientific revolution has taken place around the optical and quantum control of such NEMS and MEMS devices; following quantum control of ions, molecules in a first wave, as well as electrical circuits in a second wave, NEMS and MEMS can now be read out and controlled at the quantum level using optical fields via cavity optomechanical interactions. The ETN research focuses on optomechanical technologies (new technologies based on optomechanical physics) and aims to advance the state of the art in the field by addressing several new research directions. (2016-2020)

      CQOM : Cavity Quantum Optomechanics

      Reference contract : FP7-PEOPLE-2011-ITN 290161
      Coordinator, Partner(s) : T. Kippenberg (EPFL),
      C2N leader(s): Isabelle Robert-Philip, Rémy Braive
      Main goals : Investigation of photonic crystal platforms for optomechanics (2012-2016)

      OMC : Optomechanical photonic crystals

      Reference contract : ERA.Net RUS
      Coordinator, Partner(s) : T. Kippenberg (EPFL),
      C2N leader(s): Isabelle Robert-Philip
      Main goals : Two goals will be pursued: (1) achieving the quantum limit in displacement sensing of mechanical vibrations of nanostructures in the GHz range, and (2) exploiting high optomechanical coupling for nanoscale circuits combining optical and mechanical functionalities. (2012-2013)

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    Puce National Networks Projects

      GANEX : Projet exploratoire 5-2

      Reference contract : Labex
      Coordinator, Partner(s) : R. Braive (LPN ),
      C2N leader(s): Rémy Braive, Sophie Bouchoule
      Main goals : (2012-2019)

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    Puce Other National Projects

      NANOROBUST : Caractérisation multiphysique de nano-objets et manipulation robotisée sous environnement MEB

      Reference contract : ANR P2N
      Coordinator, Partner(s) : P. Lutz (FEMTO-ST, Departement d'Optique ), P. Lutz (FEMTO-ST, Departement d'Optique )
      C2N leader(s): Rémy Braive, Isabelle Sagnes
      Main goals : Caractérisation multiphysique de nano-objets et manipulation robotisée sous environnement MEB (2011-2015)

      Minotore : Micro and Nano-Optomechanics To the quantum Regime

      Reference contract : ANR blanc
      Coordinator, Partner(s) : A. Heidmann (LKB ),
      C2N leader(s): Isabelle Robert-Philip
      Main goals : Optomechanical squeezing and quantum regime of a mechanical resonator (2012-2015)

      NAOMI : Integrated Nano-optomechanics

      Reference contract : Cnano Ile de France
      C2N leader(s): Pascale Senellart, Rémy Braive, Isabelle Robert-Philip
      Main goals : The objective of the project is to develop nano-optomechanical systems, by gathering the complementary expertise of the Laboratory for Photonics and Nanostructures, the Laboratoire Kastler Brossel and the Matériaux et Phénomènes Quantiques Laboratory. (2008-2011)

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Puce Past and current Internship Training

Post-docs


  • Integrated nano-optomechanics

  • A. Surrente-(2014-09-01 / 2015-08-31)
    Contact : I. Robert-Philip
    Group : NanoPhotonIQ (NanoPhotonIQ)
                NanoPhotonIQ (NanoPhotonIQ)


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    In the context of the EU-funded Marie Curie training network cQOM (“Cavity Quantum Optomechanics"), we have a vacancy for a post-doc. The objective of the project is to develop novel compact optomechanical nano-resonators, based on photonic crystals slab resonators, and demonstrate the feasibility of classical applications (such as microwave oscillators) of the coupling of light to localized mechanical vibrations. This multifaceted project involves nanofabrication in the laboratory clean rooms, laser physics, nanophotonics, optics and cryogenics, as well as numerical simulation of the resonators and thus allows acquiring a broad knowledge in several fields and of many experimental techniques.

  • Integrated optomechanical nano-resonators

  • I. Yeo-(2014-06-01 / 2015-05-31)
    Contact : I. Robert-Philip , R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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    The objective of the project is to develop fully integrated compact optomechanical nano-resonators, based on photonic crystals slab resonators, including on-chip acoustic and electrostatic actuation functionalities. This multifaceted project involves nanofabrication in the laboratory clean rooms, nanophotonics, optics, as well as numerical simulation.

  • Suspended photonic crystals as deformable end-mirrors for cavity optomechanics

  • T. Antoni-(2011-09-01 / 2012-08-31)
    Contact : I. Robert-Philip
    Group : NanoPhotonIQ (NanoPhotonIQ)


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    Photonic crystal slabs with a square lattice of holes have been used as mirrors operating at normal incidence in active (VCSEL) and passive optical resonators. We recently extended their use to optomechanics, in close collaboration with the «Noise and measurement» Team at LKB, by demonstrating experimentally that such slabs sustain vibrational modes in the megahertz range while their reflectivity at normal incidence at 1064 nm is higher than 95 %. The postdoctoral fellowship exploits these two features, combined with their very low mass, in view of using such periodic structures as deformable end-mirrors in Fabry-Perot cavities for the investigation of cavity optomechanical effects (quantum backaction effects...)

PhDs


  • Non-linear dynamics and synchronization of nano-optomechanical resonators

  • G. Madiot-(On going since 2016-10-02)
    Contact : R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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  • Integrated actuation of photonic crystal membranes for optomechanics

  • R. Zhu-(On going since 2015-10-01)
    Contact : R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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  • Integrated optomechanical nano-resonators based on photonic crystals Nano-oscillateurs

  • A. Chowdhury-(2013-09-01 / 2016-08-31)
    Contact : I. Robert-Philip , R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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    The objective of the project is to develop fully integrated compact optomechanical nano-resonators, based on photonic crystals slab resonators, including on-chip acoustic and electrostatic actuation functionalities. This multifaceted project involves nanofabrication in the laboratory clean rooms, nanophotonics, optics, as well as numerical simulation.

  • Optomechanics with photonic crystals

  • G. Modica-(2012-09-01 / 2015-08-31)
    Contact : I. Robert-Philip , R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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    This PhD-topic is carried out in the context of the EU-funded Marie Curie training network cQOM (“Cavity Quantum Optomechanics”). It concerns the processing of photonic crystal-based optomechanical resontaors and investigation of optomechanical effects on such platform.

Internship Training


  • Optomechanical coupling in photonicc rystal membranes

  • C. Sanna-(2015-07-06 / 2015-09-30)
    Level : Master2
    Contact : R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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    This training aims at measuring the mechanisms coupling light and mechanical vibrations in integrated photonic crystal membranes.

  • Vibrational resonance with an electro-mechanical oscillator

  • S. Righi-(2016-05-01 / 2016-08-19)
    Level : Master1
    Contact : R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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  • Coupled photonic crystal cavity for optomechanics

  • M. Boher-(2016-05-01 / 2016-07-31)
    Level : Master1
    Contact : R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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  • Optomechanics in diamond photonic crystals

  • G. Madiot-(2015-05-26 / 2015-07-31)
    Level : Master1
    Contact : R. Braive
    Group : NanoPhotonIQ (NanoPhotonIQ)


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    This training aims at measuring the mechanical response of photonic crystal suspended diamond membranes, acting as optomechanical resonators coupling light and mechanical vibrations.
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