Studies on diamond on-chip optical circuit for quantum computing

• Project/Area Number: 18K13787
• Research Category: Grant-in-Aid for Early-Career Scientists
• Allocation Type: Multi-year Fund
• Review Section: Basic Section 21050:Electric and electronic materials-related
• Research Institution: Kyushu University
• Principal Investigator: Inaba Masafumi 九州大学, システム情報科学研究院, 助教 (20732407)
• Project Period (FY): 2018-04-01 – 2020-03-31
• Project Status: Completed (Fiscal Year 2019)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000); Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
• Keywords: ダイヤモンド / 選択成長 / 誘電泳動 / 光導波路 / 量子コンピューティング

Outline of Final Research Achievements

A homo-epitaxial selective growth method of diamond and arrangement of diamond particles by dielectrophresis were investigated.

Academic Significance and Societal Importance of the Research Achievements

近年急速に発展しつつある量子コンピュータ開発において、室温で汎用量子ビットになりうるダイヤモンド中の窒素-空孔中心（NVセンタ）の研究が行われている。NVセンタを量子操作する際、互いの距離が10nm程度と非常に近い報告、別々の場所の量子テレポーテーションに関する報告はなされているものの、実用的な、数マイクロメートル程度の距離での量子通信技術は検討されていない。本研究では、その、中間的な距離範囲での量子ビット同士の量子通信・エンタングルメントが可能なプラットフォームとして、ダイヤモンドのオンチップの光回路の形成に関する技術を検討した。

Research Products

• [Journal Article] Dielectrophoretic properties of submicron diamond particles in sodium chloride aqueous solution (2020)
  • Author(s): Inaba Masafumi、Hayashi Shohei、Li Henan、Kamimura Mikoto、Nakano Michihiko、Suehiro Junya
  • Journal Title: Japanese Journal of Applied Physics Volume: 59 Issue: 4 Pages: 046502-046502
  • DOI: 10.35848/1347-4065/ab7baf
  • Peer Reviewed
• [Journal Article] DNA-induced changes in traveling wave dielectrophoresis velocity of microparticles (2020)
  • Author(s): Nakano, M., Ding, Z., Inaba, M., Suehiro, J.
  • Journal Title: AIP Advances Volume: 10 Issue: 1 Pages: 015236-015236
  • DOI: 10.1063/1.5129725
  • Peer Reviewed / Open Access
• [Journal Article] Point‐Arc Remote Plasma Chemical Vapor Deposition for High‐Quality Single‐Crystal Diamond Selective Growth (2019)
  • Author(s): Fei Wenxi、Inaba Masafumi、Hoshino Haruka、Tsuyusaki Ikuto、Kawai Sora、Iwataki Masayuki、Kawarada Hiroshi
  • Journal Title: physica status solidi (a) Volume: 216 Issue: 21 Pages: 1900227-1900227
  • DOI: 10.1002/pssa.201900227
  • Peer Reviewed
• [Journal Article] Electrical property measurement of two-dimensional hole-gas layer on hydrogen-terminated diamond surface in vacuum-gap-gate structure (2019)
  • Author(s): Inaba Masafumi, Kawarada Hiroshi, Ohno Yutaka
  • Journal Title: Applied Physics Letters Volume: 114 Issue: 25 Pages: 253504-253504
  • DOI: 10.1063/1.5099395
  • Peer Reviewed
• [Journal Article] Simple microfluidic device for detecting the negative dielectrophoresis of DNA labeled microbeads (2019)
  • Author(s): Nakano, M., Ding, Z., Matsuda, K., Xu, J., Inaba, M., Suehiro, J.
  • Journal Title: Biomicrofluidics Volume: 13 Issue: 6 Pages: 064109-064109
  • DOI: 10.1063/1.5124419
  • Peer Reviewed
• [Journal Article] Correlation between the Carbon Nanotube Growth Rate and Byproducts in Antenna‐Type Remote Plasma Chemical Vapor Deposition Observed by Vacuum Ultraviolet Absorption Spectroscopy (2019)
  • Author(s): Inaba Masafumi、Ochiai Takumi、Ohara Kazuyoshi、Kato Ryogo、Maki Tasuku、Ohashi Toshiyuki、Kawarada Hiroshi
  • Journal Title: Small Volume: 15 Issue: 48 Pages: 1901504-1901504
  • DOI: 10.1002/smll.201901504
  • Peer Reviewed
• [Journal Article] Enhancement of the electron transfer rate in carbon nanotube flexible electrochemical sensors by surface functionalization (2019)
  • Author(s): Nishimura Keita、Ushiyama Takuya、Viet Nguyen Xuan、Inaba Masafumi、Kishimoto Shigeru、Ohno Yutaka
  • Journal Title: Electrochimica Acta Volume: 295 Pages: 157-163
  • DOI: 10.1016/j.electacta.2018.10.147
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Carbon 1s X-ray photoelectron spectra of realistic samples of hydrogen-terminated and oxygen-terminated CVD diamond (111) and (001) (2019)
  • Author(s): Kono Shozo、Kageura Taisuke、Hayashi Yuya、Ri Sung-Gi、Teraji Tokuyuki、Takeuchi Daisuke、Ogura Masahiko、Kodama Hideyuki、Sawabe Atsuhito、Inaba Masafumi、Hiraiwa Atsushi、Kawarada Hiroshi
  • Journal Title: Diamond and Related Materials Volume: 93 Pages: 105-130
  • DOI: 10.1016/j.diamond.2019.01.017
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Electrical contact properties between carbon nanotube ends and a conductive atomic force microscope tip (2018)
  • Author(s): Inaba Masafumi、Ohara Kazuyoshi、Shibuya Megumi、Ochiai Takumi、Yokoyama Daisuke、Norimatsu Wataru、Kusunoki Michiko、Kawarada Hiroshi
  • Journal Title: Journal of Applied Physics Volume: 123 Issue: 24 Pages: 244502-244502
  • DOI: 10.1063/1.5027849
  • NAID: 120006531047
  • Peer Reviewed
• [Journal Article] Role of Carboxyl and Amine Termination on a Boron-Doped Diamond Solution Gate Field Effect Transistor (SGFET) for pH Sensing (2018)
  • Author(s): Falina Shaili、Kawai Sora、Oi Nobutaka、Yamano Hayate、Kageura Taisuke、Suaebah Evi、Inaba Masafumi、Shintani Yukihiro、Syamsul Mohd、Kawarada Hiroshi
  • Journal Title: Sensors Volume: 18 Issue: 7 Pages: 2178-2178
  • DOI: 10.3390/s18072178
  • Peer Reviewed
• [Journal Article] Vertical-type two-dimensional hole gas diamond metal oxide semiconductor field-effect transistors (2018)
  • Author(s): Oi Nobutaka、Inaba Masafumi、Okubo Satoshi、Tsuyuzaki Ikuto、Kageura Taisuke、Onoda Shinobu、Hiraiwa Atsushi、Kawarada Hiroshi
  • Journal Title: Scientific Reports Volume: 8 Issue: 1
  • DOI: 10.1038/s41598-018-28837-5
  • Peer Reviewed / Open Access
• [Journal Article] Lithographically engineered shallow nitrogen-vacancy centers in diamond for external nuclear spin sensing (2018)
  • Author(s): Fukuda Ryosuke、Balasubramanian Priyadharshini、Higashimata Itaru、Koike Godai、Okada Takuma、Kagami Risa、Teraji Tokuyuki、Onoda Shinobu、Haruyama Moriyoshi、Yamada Keisuke、Inaba Masafumi、Yamano Hayate、Jelezko Fedor、Tanii Takashi、Isoya Junichi et al.
  • Journal Title: New Journal of Physics Volume: 20 Issue: 8 Pages: 083029-083029
  • DOI: 10.1088/1367-2630/aad997
  • Peer Reviewed / Int'l Joint Research
• [Presentation] ダイヤモンド微粒子フィラーの電界整列が複合材料の熱伝導特性に及ぼす影響 (2020)
  • Author(s): 李 赫男, 林 将平, 稲葉 優文, 中野 道彦, 末廣 純也
  • Organizer: 誘電体・絶縁材料／放電・プラズマ・パルスパワー／高電圧 合同研究会
• [Presentation] ダイヤモンド微粒子の誘電泳動特性評価 (2019)
  • Author(s): 林 将平, 李 赫男, 稲葉 優文, 中野 道彦, 末廣 純也
  • Organizer: 令和元年基礎・材料・共通部門大会
• [Presentation] 微粒子ダイヤモンドの誘電泳動特性 (2019)
  • Author(s): 稲葉 優文, 林 将平, 李 赫男, 中野 道彦, 末廣 純也
  • Organizer: 第80回 応用物理学会秋季学術講演会
• [Presentation] アクリル溶媒中におけるダイヤモンド微粒子の高電界整列挙動観察 (2019)
  • Author(s): 李 赫男, 林 将平, 稲葉 優文, 中野 道彦, 末廣 純也
  • Organizer: 第72回電気・情報関係学会九州支部連合大会
• [Presentation] ダイヤモンド微粒子の誘電泳動による物性調査 (2019)
  • Author(s): 林 将平, 李 赫男, 稲葉 優文, 中野 道彦, 末廣 純也
  • Organizer: 第72回電気・情報関係学会九州支部連合大会
• [Presentation] ダイヤモンド微粒子の誘電泳動による電気的特性調査 (2019)
  • Author(s): 林 将平, 李 赫男, 稲葉 優文, 中野 道彦, 末廣 純也
  • Organizer: 第33回ダイヤモンドシンポジウム
• [Presentation] 真空ギャップゲート構造による2次元正孔ガスダイヤモンドデバイスの評価 (2018)
  • Author(s): M. Inaba, H. Kawarada, Y. Ohno
  • Organizer: 第32回ダイヤモンドシンポジウム