Optical levitation of high purity nanodiamonds in vacuum

  • Slides: 29
Download presentation
Optical levitation of high purity nanodiamonds in vacuum Gavin W Morley, University of Warwick

Optical levitation of high purity nanodiamonds in vacuum Gavin W Morley, University of Warwick

 • Warwick University Angelo Frangeskou Acknowledgments Anis Rahman (now UCL) Colin Stephen Guy

• Warwick University Angelo Frangeskou Acknowledgments Anis Rahman (now UCL) Colin Stephen Guy Stimpson Yashna Lekhai • University College London Peter Barker Sougato Bose • Imperial College London Myungshik Kim Chuanqi Wan • Cardiff University Laia Gines, Soumen Mandal, Oliver Williams Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Outline 1. Why diamond? 2. Our results - Optically trapped diamonds heat up to

Outline 1. Why diamond? 2. Our results - Optically trapped diamonds heat up to destruction at 5 mbar - Pure nanodiamonds don’t heat up at 4 mbar Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? Nitrogen vacancy (NV-) centres in diamond Nitrogen Vacancy 637 nm

1. Introduction: why diamond? Nitrogen vacancy (NV-) centres in diamond Nitrogen Vacancy 637 nm Review: MW Doherty et al, Phys Rep 528, 1 (2013) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? Nitrogen-vacancy centres without levitation Gavin W Morley, MAQRO meeting, Wien,

1. Introduction: why diamond? Nitrogen-vacancy centres without levitation Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? Nitrogen-vacancy (NV-) Green excitation Spin polarization Spin readout Gavin W

1. Introduction: why diamond? Nitrogen-vacancy (NV-) Green excitation Spin polarization Spin readout Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? Levitating nanodiamonds in air - Berlin: atmospheric pressure, A Kuhlicke,

1. Introduction: why diamond? Levitating nanodiamonds in air - Berlin: atmospheric pressure, A Kuhlicke, AW Schell, J Zoll & O Benson, APL 105, 073101 (2014) - Paris: 10 -2 mbar, T Delord, L Nicolas, L Schwab & G Hétet, NJP 19, 033031 (2017) + others Ion traps - ICFO, Barcelona: 0. 5 mbar, G P Conangla, A W Schell, R A Rica & R Quidant, ar. Xiv: 1803. 05527 - University College London: Peter Barker‘s group - Pittsburgh: 6. 7 x 10 -3 mbar, J-F Hsu, P Ji, CW Lewandowski & B D’Urso, Sci Rep 6, 30125 (2016) - Rochester: 1064 nm, >5 mbar, LP Neukirch, E von Haartman, JM Rosenholm & AN Vamivakas, Nat Photon 9, 653 (2015) + others - Purdue: 1550 nm, >10 mbar TM Hoang, J Ahn, J Bang & T Li, Nat Comms 7, 12250 (2016) + others Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018 Magnetogravitational trap Optical traps

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a spin From our collaboration: - M Scala et al. , PRL 111, 180403 (2013) - C Wan et al. , PRA 93, 043852 (2016) - C Wan et al. , PRL 117, 143003 (2016) - S Bose et al. , PRL 119, 240401 (2017) From other groups: - Z-q Yin, T Li, X Zhang & LM Duan, PRA 88, 033614 (2013) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a spin From our collaboration: - M Scala et al. , PRL 111, 180403 (2013) - C Wan et al. , PRA 93, 043852 (2016) - C Wan et al. , PRL 117, 143003 (2016) - S Bose et al. , PRL 119, 240401 (2017) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a spin From our collaboration: - M Scala et al. , PRL 111, 180403 (2013) - C Wan et al. , PRA 93, 043852 (2016) - C Wan et al. , PRL 117, 143003 (2016) - S Bose et al. , PRL 119, 240401 (2017) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a spin From our collaboration: - M Scala et al. , PRL 111, 180403 (2013) - C Wan et al. , PRA 93, 043852 (2016) - C Wan et al. , PRL 117, 143003 (2016) - S Bose et al. , PRL 119, 240401 (2017) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a spin From our collaboration: - M Scala et al. , PRL 111, 180403 (2013) - C Wan et al. , PRA 93, 043852 (2016) - C Wan et al. , PRL 117, 143003 (2016) - S Bose et al. , PRL 119, 240401 (2017) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a spin From our collaboration: - M Scala et al. , PRL 111, 180403 (2013) - C Wan et al. , PRA 93, 043852 (2016) - C Wan et al. , PRL 117, 143003 (2016) - S Bose et al. , PRL 119, 240401 (2017) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a

1. Introduction: why diamond? 2. Our work Our proposal: drop a nanodiamond containing a spin From our collaboration: - M Scala et al. , PRL 111, 180403 (2013) - C Wan et al. , PRA 93, 043852 (2016) - C Wan et al. , PRL 117, 143003 (2016) - S Bose et al. , PRL 119, 240401 (2017) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Spatial superposition needs high vacuum Gavin W

1. Introduction: why diamond? 2. Our work Spatial superposition needs high vacuum Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Our levitating nanodiamonds: optical trap with 40

1. Introduction: why diamond? 2. Our work Our levitating nanodiamonds: optical trap with 40 nm diamonds and 1064 nm Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Analytical model for interferometric balanced detection ATM

1. Introduction: why diamond? 2. Our work Analytical model for interferometric balanced detection ATM Anishur Rahman, AC Frangeskou, PF Barker & GW Morley, Review of Scientific Instruments 89, 023109 (2018) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Analytical model for interferometric balanced detection ATM

1. Introduction: why diamond? 2. Our work Analytical model for interferometric balanced detection ATM Anishur Rahman, AC Frangeskou, PF Barker & GW Morley, Review of Scientific Instruments 89, 023109 (2018) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Background: Brownian thermometry J Millen, T Deesuwan, P Barker & J Anders, Nature Nanotechnology

Background: Brownian thermometry J Millen, T Deesuwan, P Barker & J Anders, Nature Nanotechnology 9, 425 (2014) ATM Anishur Rahman, AC Frangeskou, PF Barker & GW Morley, Review of Scientific Instruments 89, 023109 (2018) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work Levitating nanodiamonds overheating 20 mbar ATMA Rahman

1. Introduction: why diamond? 2. Our work Levitating nanodiamonds overheating 20 mbar ATMA Rahman et al. , Scientific Reports 6, 21633 (2016) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work A solution: more pure diamonds 150 ppm

1. Introduction: why diamond? 2. Our work A solution: more pure diamonds 150 ppm nitrogen impurities 120 ppb nitrogen impurities AC Frangeskou, ATMA Rahman, L Gines, S Mandal, OA Williams, PF Barker & GW Morley, New Journal of Physics 20, 043016 (2018) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work A solution: more pure nanodiamonds 150 ppm

1. Introduction: why diamond? 2. Our work A solution: more pure nanodiamonds 150 ppm nitrogen 120 ppb nitrogen impurities Milling by Ollie Williams’ group, Cardiff AC Frangeskou, ATMA Rahman, L Gines, S Mandal, OA Williams, PF Barker & GW Morley, New Journal of Physics 20, 043016 (2018) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

1. Introduction: why diamond? 2. Our work A solution: more pure nanodiamonds 4 mbar

1. Introduction: why diamond? 2. Our work A solution: more pure nanodiamonds 4 mbar AC Frangeskou, ATMA Rahman, L Gines, S Mandal, OA Williams, PF Barker & GW Morley, New Journal of Physics 20, 043016 (2018) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Conclusion: Purer diamonds don’t heat up at 4 mbar AC Frangeskou, ATMA Rahman, L

Conclusion: Purer diamonds don’t heat up at 4 mbar AC Frangeskou, ATMA Rahman, L Gines, S Mandal, OA Williams, PF Barker & GW Morley, New Journal of Physics 20, 043016 (2018) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Conclusion: Purer diamonds don’t heat up at 4 mbar Outlook: AC Frangeskou, ATMA Rahman,

Conclusion: Purer diamonds don’t heat up at 4 mbar Outlook: AC Frangeskou, ATMA Rahman, L Gines, S Mandal, OA Williams, PF Barker & GW Morley, New Journal of Physics 20, 043016 (2018) Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Outlook: Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018

Outlook: Gavin W Morley, MAQRO meeting, Wien, 10 th April 2018