Category Archives: Paper

Optical refractive index biosensor using evanescently coupled lateral Bragg gratings on silicon-on-insulator

  • Manuel Mendez-Astudillo, Hiroki Takahisa, Hideaki Okayama, and Hirochika Nakajima
  • Jpn. J. Appl. Phys., Vol. 55, No. 8S3, pp. 08RE09.

High extinction ratio characteristics of over 60 dB Mach–Zehnder modulator with asymmetric power-splitting Y-branches on X-cut Ti:LiNbO3

  • Y. Yamaguchi, S. Nakajima, A. Kanno, T. Kawanishi, M. Izutsu, and H. Nakajima
  • Jpn. J. Appl. Phys., Vol. 53, No. S82, pp. 08MB03

Efficient- and broadband-coupled selective spot-size converters with damage-free graphene integration process

  • R. Kou, Y. Kobayashi, K. Warabi, H. Nishi, T. Tsuchizawa, T. Yamamoto, H. Nakajima, and K. Yamada
  • IEEE Photon. Journal, Vol. 6, No. 3, pp. 6600409

Optical absorption characteristics and polarization dependence of single-layer graphene on silicon waveguide

  • K. Warabi, R. Kou, S. Tanabe, T. Tsuchizawa, S. Suzuki, H. Hibino, H. Nakajima, and K. Yamada
  • IEICE Trans. Electron., Vol. E97-C, No. 7, pp. 736-743

Influence of Graphene on quality factor variation in a silicon ring resonator

  • R. Kou, S. Tanabe, T. Tsuchizawa, T. Yamamoto, H. Hibino, H. Nakajima, and K. Yamada
  • Appl. Phys. Lett., Vol. 104, No. 9, pp. 091122

Precise chirp parameter measurement of asymmetric Mach-Zehnder modulators with active Y-branch

  • Y. Yamaguchi, Y. Yamada, A. Kanno, T. Kawanishi, M. Izutsu, and H. Nakajima
  • IEICE Electron. Express, Vol. 10, No. 12, pp. 20130311

Characterization of Optical Absorption and Polarization Dependence of Single-Layer Graphene Integrated on a Silicon Wire Waveguide

  • R. Kou, S. Tanabe, T. Tsuchizawa, K. Warabi, S. Suzuki, H. Hibino, H. Nakajima, and K. Yamada
  • Jpn. J. Appl. Phys., Vol. 52, No. 6, pp. 060203

Flexible Optical Code Label Generation and Processing Using LiNbO3 Modulators and Variable Bandwidth Spectrum Shaper

  • M. Mieno, H. Watanabe, S. Shinada, N. Wada, and H. Nakajima
  • IEEE J. Lightwave Technol., Vol. 30, No. 22, pp. 3456-3462

Parametric Tunable Dispersion Compensation With Spectrally Noninverting Wavelength Conversion Using Quasi-Phase-Matched Adhered Ridge Waveguide

  • K. Tanizawa, K. Kikuchi, K. Sugiura, S. Kurimura, H. Kuwatsuka, H. Nakajima, J. Ichikawa, and S. Namiki
  • IEEE J. Select. Topics Quan. Electron., Vol. 18, No. 2, pp. 593-599

Monolithic mode-locked erbium-doped LiNbO3 waveguide laser with dielectric multilayer mirror

  • Y. Katano, S. Shinada, S. Nakajima, T. Kawanishi, and H. Nakajima
  • IEICE Electron. Express, Vol. 9, No. 4 pp. 245-249

Optical BPSK code labels generation using LiNbO3 modulators

  • M. Mieno, H. Watanabe, S. Shinada, N. Wada, and H. Nakajima
  • IEICE Electron. Express, Vol. 8, No. 19, pp. 1614-1620

High-gain, wide-dynamic-range parametric interaction in Mg-doped LiNbO3 quasi-phase-matched adhered ridge waveguide

  • R. Kou, S. Kurimura, K. Kikuchi, A. Terasaki, H. Nakajima, K. Kondou, and J. Ichikawa
  • Opt. Express, Vol. 19, No. 12, pp.11867-11872

Vertical input transverse resonant cavity optical device for refractive index variation sensor

  • K. Fukada, M. Miyazaki, H. Okayama, I. Yuito, and H. Nakajima
  • Electron. Lett, 46, 15, 1078-1080

帯域可変スペクトルシェイパによる光スペクトル信号処理

  • 三重野光子, 駒井友紀, 和田尚也, 品田聡, 中島啓幾, 小舘香椎子
  • レーザー研究, Vol. 38, No. 4, pp. 272-278

High Extinction-Ratio Integrated Mach?Zehnder Modulator With Active Y-Branch for Optical SSB Signal Generation

  • Y. Ogiso, Y. Tsuchiya, S. Shinada, S. Nakajima, T. Kawanishi, and H.Nakajima
  • IEEE Photon. Technol. Lett., 22, 12, 941-943

640-Gbit/s data transmission and clock recovery using an ultrafast periodically poled lithium Niobate device

  • L. K. Oxenlowe, F. Gomez-Agis, C. Ware, S. Kurimura, H. C. H. Mulvad, M. Galili, H. Nakajima, J. Ichikawa, D. Erasme, A. T. Clausen, and P. Jeppesen
  • IEEE J. Lightwave Technol., Vol. 27, No. 3, pp. 205-213

Vertical input transverse resonant cavity device structure for surface refractive index variation sensor

  • H. Okayama, Y. Naoi, and H. Nakajima
  • Optical Engineering, Vol. 48 (1), 014602

Microsphere/cilinder waveguide resonator for direct light beam coupling using metallic core and high rifractive index shell

  • A. Kobayashi, H. Okayama, and H. Nakajima
  • Jpn. J. Appl. Phys, Vol. 47, No. 8, pp. 6750-6753

Violet light generation in quasi-phase-matched adhered ridge waveguide

  • S.V. Tovstonog, S. Kurimura, T. Okubo, R. Kou, H. Nakajima, M. Motoya, and J. Ichikawa
  • Jpn. J. Appl. Phys., Vol. 47, No. 6, pp. 4586-4588

320 Gbps to 10 GHz sub-clock recovery using a PPLN-based opto-electronic phase-locked loop

  • C. Ware, L.K. Oxenlowe, F. Gomez Agis, H.C.H. Mulvad, M. Galili, S. Kurimura, H. Nakajima, J. Ichikawa, D. Erasme, A.T. Clausen, and P. Jeppesen
  • Opt. Express, Vol. 16, No. 7, pp. 5007-5012