Publications

Papers

  1. Eiichi Hanamura, Yutaka Kawabe, Hideaki Takashima, Tokushi Sato and Ayane Tomita
    Optical Properties of Transition-Metal Doped Spinels
    Journal of nonlinear optical physics & materials, Vol. 12, pp. 467-473 (2003).
  2. Yutaka Kawabe, Akio Yamanaka, Hiroshi Horiuchi, Hideaki Takashima and Eiichi Hanamura
    Luminescence of color centers formed in alkali-earth-doped yttrium orthoaluminate crystals
    Journal of Luminescence, Vol. 121, pp. 517-526 (2006).
  3. Hideaki Takashima, Hideki Fujiwara, Jun-ichi Hotta, Shigeki Takeuchi, Keiji Sasaki, Shin-ya Murakami, Tsukasa Torimoto and Bunsho Ohtani
    Analysis of quantum dot fluorescence coupled with a microsphere resonator
    Japanese Journal of Applied Physics, Vol. 45, No. 9A, pp. 6917-6921 (2006).
  4. Hideaki Takashima, Hideki Fujiwara, Shigeki Takeuchi, Keiji Sasaki and Masahide Takahashi
    Fiber-microsphere laser with a submicrometer sol-gel silica glass layer codoped with erbium, aluminum, and phosphorus
    Applied Physics Letters, Vol. 90, pp. 101103/1-3, (2007).
  5. Hideaki Takashima, Hideki Fujiwara, Shigeki Takeuchi, Keiji Sasaki and Masahide Takahashi
    Control of spontaneous emission coupling factor β in fiber-coupled microsphere resonators
    Applied Physics Letters, Vol. 92, pp. 071115/1-3 (2008).
  6. Hideaki Takashima, Takeshi Asai, Kiyota Toubaru, Masazumi Fujiwara, Keiji Sasaki, and Shigeki Takeuchi
    Fiber-microsphere system at cryogenic temperatures toward cavity QED using diamond NV centers
    OPTICS EXPRESS, Vol. 18, pp. 15169-15173 (2010).
  7. Akira Tanaka, Takeshi Asai, Kiyota Toubaru, Hideaki Takashima, Masazumi Fujiwara, Ryo Okamoto and Shigeki Takeuchi
    Phase shift spectra of a fiber-microsphere system at the single photon level
    OPTICS EXPRESS, Vol. 19, pp. 2278-2285 (2010).
  8. Fang Ren, Hideaki Takashima, Yoshito Tanaka, Hideki Fujiwara and Keiji Sasaki
    Two-photon excited fluorescence from a PIC-attached Au-coated tip via a thin tapered fiber under a weak CW excitation
    OPTICS EXPRESS, Vol. 21, pp. 27759-27769 (2013).
  9. Hideaki Takashima, Kazutaka Kitajima, Yoshito Tanaka, Hideki Fujiwara and Keiji Sasaki
    Efficient optical coupling into a single plasmonic nanostructure using a fiber-coupled microspherical cavity
    Physical Review A, Vol. 89, pp. 021801(R)/1-5 (2014).
  10. Ryo Niyuki, Hideaki Takashima, Hideki Fujiwara and Keiji Sasaki
    Ultraviolet random lasing from a diamond nanoparticle film
    Applied Physics Letters, Vol. 105, pp. 011112/1-3 (2014).
  11. Mohamed Almokhtar, Masazumi Fujiwara, Hideaki Takashima and Shigeki Takeuchi
    Numerical simulations of nanodiamond nitrogen-vacancy centers coupled with tapered optical fibers as hybrid quantum nanophotonic devices
    OPTICS EXPRESS, Vol. 22, pp. 20045-20059 (2014).
  12. Andreas W. Schell, Hideaki Takashima, Shunya Kamioka, Yasuko Oe, Masazumi Fujiwara, Oliver Benson, and Shigeki Takeuchi
    Highly Efficient Coupling of Nanolight Emitters to a Ultra-Wide Tunable Nanofibre Cavity
    Scientific Reports, 5, pp.9619 (5 pages) (2015) equally contributed authors
  13. Fang Ren, Hideaki Takashima, Yoshito Tanaka, Hideki Fujiwara, and Keiji Sasaki
    Two-photon excited fluorescence from a pseudoisocyanine-attached gold tip via a plasmonic-photonic hybrid system
    Optics Express, Vol. 23, Issue 17, pp.21730-21740 (2015)
  14. Kazuhiko Kamitani, Takuya Muranaka, Hideaki Takashima, Masazumi Fujiwara, Utako Tanaka, Shigeki Takeuchi, and Shinji Urabe
    Measuring the charge density of a tapered optical fiber using trapped microparticles
    Optics Express, Vol.24, Issue 5, pp.4672-4679 (2016)
  15. Hideaki Takashima, Masazumi Fujiwara, Andreas W. Schell, and Shigeki Takeuchi
    Detailed numerical analysis of photon emission from a single light emitter coupled with a nanofiber Bragg cavity
    Optics Express, Vol.24, Issue 13, pp.15050-15058 (2016)
  16. Andreas W. Schell, Toan Trong Tran, Hideaki Takashima, Shigeki Takeuchi, and Igor Aharonovich
    Non-linear excitation of quantum emitters in hexagonal boron nitride multiplayers
    APL Photonics, Vol.1, Issue 9, pp.091302 (7 pages) (2016)
  17. Masazumi Fujiwara, Kazuma Yoshida, Tetsuya Noda, Hideaki Takashima, Andreas W Schell, Norikazu Mizuochi, and Shigeki Takeuchi
    Manipulation of single nanodiamonds to ultrathin fiber-taper nanofibers and control of NV-spin states toward fiber-integrated -systems
    Nanotechnology, Vol. 27, Num. 45, pp.1-8 (2016)
  18. Andreas W. Schell, Hideaki Takashima, Toan Trong Tran, Igor Aharonovich, and Shigeki Takeuchi
    Coupling quantum emitters in 2D materials with tapered fibers
    ACS Photonics, Vol.4, Issue 4, pp.761-767 (2017)
  19. Hironaga Maruya*, Yasuko Oe*, Hideaki Takashima*, Azusa N. Hattori, Hidekazu Tanaka, and Shigeki Takeuchi
    Non-contact detection of nanoscale structures using optical nanofiber
    Optics Express, Vol.27, Issue2, pp.367-276 (2019) *equally contributed authors
  20. Hideaki Takashima*, Atsushi Fukuda*, Hironaga Maruya, Toshiyuki Tashima, Andreas W. Schell, and Shigeki Takeuchi
    Fabrication of a nanofiber Bragg cavity with high quality factor using a focused helium ion beam
    Optics Express, Vol.27, Issue 5, pp.6792-6800 (2019) *equally contributed authors
  21. Toshiyuki Tashima, Hideaki Takashima, Shigeki Takeuchi
    Direct optical excitation of an NV center via a nanofiber Bragg-cavity: A theoretical simulation
    Optics Express, 27, 27009-27016 (2019)
  22. Kazuki Fukushige, Hiroki Kawaguchi, Konosuke Shimazaki, Toshiyuki Tashima, Hideaki Takashima, and Shigeki Takeuchia
    Identification of the orientation of a single NV center in a nanodiamond using a three-dimensionally controlled magnetic field
    Appl. Phys. Lett. 116, 264002 (2020)
  23. Hideaki Takashima, Hironaga Maruya, Keita Ishihara, Toshiyuki Tashima, Konosuke Shimazaki, Andreas W. Schell, Toan Trong Tran, Igor Aharonovich, and Shigeki Takeuchi
    Determination of the Dipole Orientation of Single Defects in Hexagonal Boron Nitride
    ACS Photonics 2020, 7, 8, 2056–2063
  24. Koichiro Miyanishi, Takuya F. Segawa, Kazuyuki Takeda, Izuru Ohki, Shinobu Onoda, Takeshi Ohshima, Hiroshi Abe, Hideaki Takashima, Shigeki Takeuchi, Alexander I. Shames, Kohki Morita, Yu Wang, Frederick T.-K. So, Daiki Terada, Ryuji Igarashi, Akinori Kagawa, Masahiro Kitagawa, Norikazu Mizuochi, Masahiro Shirakawa, Makoto Negoro
    Room-temperature hyperpolarization of polycrystalline samples with optically polarized triplet electrons: pentacene or nitrogen-vacancy center in diamond?
    Magnetic Resonance 2(1) 33 - 48 Feb 17 (2021)
  25. Z. Yin, K. Sugiura, H. Takashima, R. Okamoto, F. Qiu, S. Yokoyama, and S. Takeuchi
    Frequency correlated photon generation at telecom band using silicon nitride ring cavities
    Opt. Express 29, 4821-4829 (2021)
  26. Hideaki Takashima, Atsushi Fukuda, Konosuke Shimazaki, Yusuke Iwabata, Hiroki Kawaguchi, Andreas W. Schell, Toshiyuki Tashima, Hiroshi Abe, Shinobu Onoda, Takeshi Ohshima, and Shigeki Takeuchi
    Creation of silicon vacancy color centers with a narrow emission line in nanodiamonds by ion implantation
    Optical Materials Express, Vol 11, Issue 7, pp. 1978-1988 (2021)
  27. Konosuke Shimazaki, Hiroki Kawaguchi, Hideaki Takashima, Takuya Fabian Segawa, Frederick T.-K. So, Daiki Terada, Shinobu Onoda, Takeshi Ohshima, Masahiro Shirakawa, and Shigeki Takeuchi
    Fabrication of Detonation Nanodiamonds Containing Silicon-Vacancy Color Centers by High Temperature Annealing
    Phys. Status Solidi A, 218: 2100144 (2021)
  28. Toshiyuki Tashima, Hideaki Takashima, Andreas W. Schell, Toan Trong Tran, Igor Aharonovich, and Shigeki Takeuchi
    Hybrid device of hexagonal boron nitride nanoflakes with defect centres and a nano-fibre Bragg cavity
    Scientific Reports volume 12, Article number: 96 (2022)
  29. Frederick T.-K. So, Alexander I. Shames, Daiki Terada, Takuya Genjo, Hiroki Morishita, Izuru Ohki, Takeshi Ohshima, Shinobu Onoda, Hideaki Takashima, Shigeki Takeuchi, Norikazu Mizuochi, Ryuji Igarashi, Masahiro Shirakawa, and Takuya F. Segawa
    Anomalous Formation of Irradiation-Induced Nitrogen-Vacancy Centers in 5 nm-Sized Detonation Nanodiamonds
    The Journal of Physical Chemistry C volume 126, 5206-5217 (2022)
  30. Hideaki Takashima, Andreas W. Schell, and Shigeki Takeuchi
    Numerical analysis of the ultra-wide tunability of nanofiber Bragg cavities
    Optics Express, Vol 31, No. 9, pp. 13566-13575 (2023)
  31. Mitsuaki Kaneko, Hideaki Takashima, Konosuke Shimazaki, Shigeki Takeuchi, and Tsunenobu Kimoto
    Impact of the oxidation temperature on the density of single-photon sources formed at SiO2/SiC interface
    APL Mater. 11, 091121 (2023)
  32. Konosuke Shimazaki, Kazuki Suzuki, Kengo Sakamoto, Yudai Okashiro, Hiroshi Abe, Takeshi Ohshima, Hideaki Takashima, and Shigeki Takeuchi
    Evaluation of single silicon vacancy centers in nanodiamonds created by ion implantation at cryogenic temperatures
    New J. Phys., 26 093034 (2024)
  33. Yudai Okashiro, Hideaki Takashima, Konosuke Shimazaki, Kazuki Suzuki, Yu Mukai, Igor Aharonovich, and Shigeki Takeuchi
    Selective Anti-Stokes Excitation of a Single Defect Center in Hexagonal Boron Nitride
    ACS Photonics, 11, 9, 3602–3609 (2024)
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