Presentations

2023

1. 蓑輪陽介, (invited)
   "光と量子渦の物理,"
   学術変革領域研究「キラル光物質科学」「メゾヒエラルキー」合同シンポジウム, 2023年10月26日

2. 蓑輪陽介, (invited)
   "光で開拓する量子渦の物理,"
   第84回応用物理学会 秋季学術講演会, 2023年9月19日

3. Y. Minowa, (invited)
   “Quantized vortices visualized using silicon nanoparticles in superfluid helium,”
   International Conference on Quantum Fluids and Solids 2023, QFS2023 (University of Manchester, UK), 9-15th, August, 2023

4. 蓑輪陽介, (invited)
   "極低温光トラップの量子流体力学への展開,"
   第 21 回 関東光科学若手研究会, 2023年5月28日

5. Yosuke Minowa, Yuki Yasui, Shota Aoyagi, Masaaki Ashida
   "Dynamics of quantized vortices in superfluid helium visualized with silicon nanoparticles,"
   The 10th Optical Manipulation Conference (OMC2023) , 21st April, 2023

6. 蓑輪陽介, (invited)
   "レーザーアブレーションを用いた量子渦の可視化,"
   第７回超高速光エレクトロニクス研究会, 2023年4月7日

2022

1. 蓑輪陽介, (invited)
   "量子渦の可視化とダイナミクス,"
   レーザー学会学術講演会第43回年次大会, 2023年1月18-20日

2. 蓑輪陽介, (invited)
   "極低温光ピンセットの量子流体力学への展開,"
   第28回光科学若手研究会, 2023年11月19日

3. Y. Minowa, (invited)
   "Feedback cooling and cryogenic optical trapping,"
   1st Levinet conference (King’s College London, UK), 6-8th September, 2022

4. Y. Minowa, (invited)
   "Optical tweezers in superfluid helium,"
   The 15th Asia Pacific Physics Conference (APPC15) (Hybrid, Yonsei University in Seoul, South Korea), 21-26th August, 2022

5. Yosuke Minowa, (invited) (cancelled due to flight disruption)  
   "Cryogenic optical tweezers in superfluid helium,"
   Quantum Engineering of Levitated Systems (Centro de Ciencias de Benasque Pedro Pascual, Benasque, Spain), 24-30th April, 2022

6. Yosuke Minowa, Yuki Yasui, Masaaki Ashida,
   "Optical trapping of silicon nanoparticles in superfluid helium,"
   Optical Manipulation and Structured Materials Conference (OMC 2022, Yokohama, Japan), 19-21st April, 2022

7. Yosuke Minowa, (invited)
   "Cryogenic optical tweezers and more,"
   Macroscopic Quantum Machines (OIST, Okinawa, Japan), 6-7th April, 2022

Before 2021 (will be updated)

1. 蓑輪陽介, (invited)
   "極限環境における微粒子の光トラップとイメージングベースの微粒子位置検出,"
   光応用工学特別研究会 (オンライン), 25th Nov, 2021

2. Yosuke Minowa, Tomoki Nagao, Masaaki Ashida
   "Optical properties of semiconductor microspheres fabricated via laser ablation in superfluid helium,"
   The 8th Optical Manipulation Conference (OMC2021) (Online), 22nd April, 2021

3. 蓑輪陽介, (invited)
   "超流動ヘリウムにおける光を用いた微粒子操作,"
   物質・デバイス領域共同研究拠点 研究討論会 (北海道大学 電子研), 9th Jan, 2020

4. 
   

Will be updated...

1. Yosuke Minowa, Yuya Oguni, Masaaki Ashida,

   1. "Fabrication of semiconductor microspheres with laser ablation in superfluid helium,"

   2. The 4th Optical Manipulation Conference (OMC'17) (Yokohama), 19-21th April, 2017

2. Masaaki Ashida, Yosuke Minowa, Mitsutaka Kumakura, Yuta Takahashi, Fusakazu Matsushima, and Yoshiki Moriwaki,

   1. "Fabrication of Superconducting Micro Particles by Laser Ablation in Superfluid Helium,"

   2. CLEO 2017 (San Jose Convention Center, USA), 14-19th May, 2017

3. Y. Minowa, Y. Toyota and M. Ashida,

   1. "Tuning of whispering gallery modes of microspheres during optical levitation,"

   2. Optical manipulation and its satellite topics (OMC'16) (Yokohama), 19-20th May, 2016

4. M. Ashida, Y. Minowa, and H. Ishihara,

   1. "Optical fabrication and manipulation of semiconductor nanoparticles in superfluid helium,"

   2. Optical manipulation and its satellite topics (OMC'16) (Yokohama) May, 19-20th, 2016

5. Y. Minowa, (invited) 

6. "Optical Levitation of a Single Semiconductor Nanoparticle,"

7. OSA Levitated Optomechanics Incubator, Washington, DC, USA, 2-4th December, 2015

8. M. Nagai, Y. Takahashi, N. Mukai, Y. Minowa, M. Ashida, J. Takayanagi and H. Ohtake,

9. "Wave plate composed of stacked parallel metal plates in THz frequency region,"

10. The Second International Symposium on Frontiers in THz Technology (FTT2015) Hamamatsu, Shizuoka, 30th August-2nd September,2015

11. Y. Minowa, R. Kawai, M. Ashida, (invited)

12. "Optical trapping of microdroplet containing a single nanomaterial in helium gas,"

13. Optical Trapping and Optical Micromanipulation XII, 9548-17, San Diego Convention Center San Diego, California, USA, 9-12th August, 2015

14. S. Okamoto, S. Ichikawa, Y. Minowa and M. Ashida,

15. "Lasing Properties of Semiconductor Microspheres with High Sphericity Fabricated by Laser Ablation in Superfluid Helium,"

16. CLEO/Europe-EQEC 2015 (Munich, German), 24th June, 2015

17. Y. Minowa, R. Kawai, M. Ashida,

18. "Optical trapping of a microdroplet containing a nanomaterial,"

19. Optical Manipulation Conference’14, the Pacifico-Yokohama, Kanagawa, Japan, 22-24th April, 2015

20. S. Okamoto, Y. Minowa, M. Ashida,

21. "Lasing of single-crystalline microspheres with high sphericity fabricated by laser ablation,"

22. Optical Manipulation Conference’14, the Pacifico-Yokohama, Kanagawa, Japan, 22-24th April, 2015

23. M. Ashida, S. Okamoto, S. Ichikawa and Y. Minowa,

    1. "Fabrication and Lasing Properties of Single-Crystalline Semiconductor Microspheres with Anisotropic Crystal Structures,"

    2. 2014 MRS Fall Meeting and Exhibit, Boston, Massachusetts, USA, 30th November - 5th December, 2014

24. N. Mukai, M. Nagai, Y. Minowa, M. Ashida, J. Takayanagi and H. Ohtake,

25. "Achromatic THz Wave Plate Composed Of Stacked Parallel Metal Plates with A Pillar Array,"

    1. The 39th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2014), Tucson, Arizona, 14-19th September, 2014

26. Y. Minowa, H. Tahara, and M. Ashida,

    1. "Optical manipulation of quantum dots in  superfluid He,"

    2. Optical Manipulation Conference’14, the Pacifico-Yokohama, Kanagawa, Japan, 22-24th April, 2014

27. S. Okamoto, Y. Minowa and M. Ashida,

    1. "Optical fabrication of single-crystalline microspheres with high sphericity,"

    2. Optical Manipulation Conference’14, the Pacifico-Yokohama, Kanagawa, Japan, 22-24th April, 2014

28. S. Okamoto, S. Ichikawa, Y. Minowa and M. Ashida,

29. "Optical Fabrication of Semiconductor Single-Crystalline Microspheres in Superfluid Helium,"

    1. 2013 MRS Fall Meeting & Exhibit, Boston, Massachusetts, USA, 1-6th December, 2013

30. M. Nagai, N. Mukai, Y. Minowa and M. Ashida,

    1. "Achromatic THz Wave Plate Based On The Structured Parallel Metal Plates,"

    2. The 38th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2013, Mainz, Germany, 1-6th September, 2013

31. Y. Minowa, Y. Nawaki, S. Okamoto, and M. Ashida,

    1. "Optical fabrication and manipulation of semiconductor nanoparticles in superfluid helium,"

    2. Optical Trapping and Optical Micromanipulation X, 8810-9, San Diego Convention Center San Diego, California, USA, 25-29th August, 2013

32. M. Nagai, Y. Kamon, Y. Minowa, E. Matsubara, and M. Ashida

33. "Coherent Transitions in Doped-Germanium Using,"

34. CLEO-PR&OECC/PS 2013, MC2-3, Kyoto, Japan, 30th June - 4th July 2013

35. M. Nagai, E. Matsubara, Y. Minowa, and M. Ashida,

36. "Carrier envelope phase control of monocycle THz pulses using an articial dispersive medium,"

37. CLEO/Europe-IQEC 2013, CC-P.10 SUN, Munich, Germany, 12-16th May 2013

38. M. Nagai, Y. Minowa and M. Ashida,

39. "Modulation of the carrier envelop phase for monocycle THz pulses using parallel metal plates,"

40. International Workshop on Terahertz Science and Technology 2013 (OTST 2013), W3C-2, Kyoto, Japan 1-5th April, 2013

41. M. Nagai, M. Kimura, Y. Minowa and M. Ashida

    1. "THz dispersive mirror with metal disk array,"

    2. International Symposium on Frontiers in THz Technology (FTT2012), WeA1.4, Nara, Japan,17-19th November, 2012

42. M. Nagai, M. Kimura,Y. Minowa, and M. Ashida

    1. "Phase compensation in THz frequency region using the mirror with metal disk array,"

    2. The 37th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2012), Thu-Pos-25, Wollongong, Australia, 23-28th September, 2012

43. S. Okamoto, Y. Minowa, and M. Ashida

44. "Low threshold lasing in a single ZnO microsphere in ultraviolet and the whole visible region,"

45. The 10th International Conference on Excitonic Processes in Condensed Matter, Nanostructured and Molecular Materials (EXCON 2012), P084, Groningen, The Netherlands, 2-6th July, 2012

46. S. Okamoto, Y. Minowa, and M. Ashida, (invited)

47. "White-light lasing in ZnO microspheres fabricated by laser ablation,"

    1. Photonic West 2012, 8263-18, Moscone Center, San Francisco, California, USA, 21-26th January, 2012

48. Y. Minowa, M. Nagai, H. Tao, Z. Zhang, R. D. Averitt and K. Tanaka,

    1. "Surface polariton resonance in two-dimensional electric and magnetic metamaterials,"

    2. International Workshop on Optical Terahertz Science and Technology 2009 (OTST 2009), Santa Barbara, California, USA, 7-11th March, 2009

49. Y. Minowa, T. Fujii, M. Nagai, K. Hirao, and K. Tanaka,

    1. "Evaluation of Effective Electric Permittivity and Magnetic Permeability in Metamaterial Parallel Slab and Importance of the Skin Effect,"

    2. Photonic Metamaterials: From Random to Periodic (META), Jackson Hole, Wyoming, USA, 4-7th June, 2007

50. Y. Minowa, T. Nishihara, K. Hosoki, and K. Tanaka,

    1. "Extraordinary Transmission of Terahertz Electromagnetic Waves through 2-Dimensional Metallic Photonic Crystal,"

    2. Photonic Metamaterials: From Random to Periodic (META), Grand Island, The Bahamas, 5-8th June, 2006