学術論文リスト

(1) K. Kitamura, T. Yatsui, and M. Ohtsu, “Near-field evaluation of a quantum size effect in self-aligned GaN whiskers fabricated using photochemical etching,” Optical Review, Vol. 13, No. 4, pp. 222-224, 2006

(2) T. Yatsui, J. Lim, T. Nakamata, K. Kitamura, M. Ohtsu, and G.-C. Yi, “Low-temperature (~270 °C) growth of vertically aligned ZnO nanorods using photoinduced metal organic vapour phase epitaxy,” Nanotechnology, Vol. 18, No. 6, pp. 065606 1-4, 2007

(3) M. Naruse, T. Yatsui, H. Hori, K. Kitamura, and M. Ohtsu, “Generating small-scale structures from large-scale ones via optical near-field interactions,” Optics Express, Vol. 15, No. 19, pp. 11790-11797, 2007

(4) K. Kitamura, T. Yatsui, M. Ohtsu, and G.-C. Yi, “Fabrication of vertically aligned ultrafine ZnO nanorods using metal-organic vapor phase epitaxy with a two-temperature growth method,” Nanotechnology, Vol. 19, No. 17, pp. 175305 1-3, 2008

(5) K. Kitamura, T. Yatsui, and M. Ohtsu, “Optical and structural properties of ZnO nanorods grown on polyimide films,” Applied Physics Express, Vol. 1, No. 8, pp. 081202 1-3, 2008

(6) K. Kitamura, T. Yatsui, and M. Ohtsu, “Observation of quantum confinement in ZnO nanorods fabricated using a two-temperature growth method,” Applied Physics B, Vol. 97, Iss. 4, pp. 825-828, 2009

(7) S. Yukutake, T. Kawazoe, T. Yatsui, W. Nomura, K. Kitamura, and M. Ohtsu, “Selective photocurrent generation in the transparent wavelength range of a semiconductor photovoltaic device using a phonon-assisted optical near-field process,” Applied Physics B, Vol. 99, Iss. 3, pp. 415-422, 2010 (Q1)

(8) K. Kitamura, T. Yatsui, T. Kawazoe, M. Sugiyama, and M. Ohtsu, “Site-selective deposition of gold nanoparticles using non-adiabatic reaction induced by optical near-fields,” Nanotechnology, Vol. 21, No. 28, pp. 285302 1-4, 2010

(9) S. Schmidt, M. Mascheck, M. Silies, T. Yatsui, K. Kitamura, M. Ohtsu, and C. Lienau, “Distinguishing between ultrafast optical harmonic generation and multi-photon-induced luminescence from ZnO thin films by frequency-resolved interferometric autocorrelation microscopy,” Optics Express, Vol. 18, No. 24, pp. 25016-25028, 2010

(10) K. Kitamura, T. Kawazoe, and M. Ohtsu, “Homojunction-structured ZnO light-emitting diodes fabricated by dressed-photon assisted annealing,” Applied Physics B, Vol. 107, Iss. 2, pp. 293-299, 2012

(11) M. Mascheck, S. Schmidt, M. Silies, T. Yatsui, K. Kitamura, M. Ohtsu, D. Leipold, E. Runge, and C. Lienau, “Observing the localization of light in space and time by ultrafast second-harmonic microscopy,” Nature Photonics, Vol. 6, No. 5, pp. 293-298, 2012

(12) T. Yatsui, K. Nakanishi, K. Kitamura, and M. Ohtsu, “Room-temperature growth of high-quality ZnO nanocrystals using a dressed-photon-assisted near-field process,” Applied Physics B, Vol. 107, Iss. 3, pp. 637-641, 2012

(13) T. Yatsui, K. Iijima, T. Imoto, K. Kitamura, and T. Kawazoe, “Phonon-assisted near-field activation of electron transfer,” Journal of Nanophotonics, Vol. 7, Iss. 1, pp. 073796 1-7, 2013

(14) T. Yatsui, T. Imoto, T. Mochizuki, K. Kitamura, and T. Kawazoe, “Dressed-photon-phonon (DPP)-assisted visible- and infrared-light water splitting,” Scientific Reports, Vol. 4, pp. 4561 1-5, 2014

(15) H. Takara, T. Mizuno, H. Kawakami, Y. Miyamoto, H. Masuda, K. Kitamura, H. Ono, S. Asakawa, Y. Amma, K. Hirakawa, S. Matsuo, K. Tsujikawa, and M. Yamada, “120.7-Tb/s MCF-ROPA unrepeatered transmission of PDM-32QAM channels over 204 km,” Journal of Lightwave Technology, Vol. 33, No. 7, pp. 1473-1478, 2015

(16) M. Silies, M. Mascheck, D. Leipold, H. Kollmann, S. Schmidt, J. Sartor, T. Yatsui, K. Kitamura, M. Ohtsu, H. Kalt, E. Runge, and C. Lienau, “Near‑field‑assisted localization: effect of size and filling factor of randomly distributed zinc oxide nanoneedles on multiple scattering and localization of light,” Applied Physics B, Vol. 122, Iss. 7, pp. 181 1-11, 2016

(17) K. Kitamura, K. Udagawa, and H. Masuda, “All-optical feedforward automatic gain control scheme for pump power shared erbium-doped fiber amplifiers,” IEICE Electronics Express, Vol. 13, No. 22, pp. 20160920 1-6, 2016

(18) K. Kitamura, K. Udagawa, and H. Masuda, ‘All-optical feedback gain control of remote optically pumped amplifiers,” IEICE Communication Express, Vol. 6, No. 9, pp. 519-524, 2017

(19) H. Masuda and K. Kitamura, “Highly sensitive Raman gain coefficient measurement by detecting spontaneous Raman scattering power for distributed Raman amplification systems,” IEICE Communications Express, Vol. 6, No. 12, pp. 661-666, 2017

(20) K. Kitamura and H. Masuda, “First experimental demonstration of all-optical feedforward automatic gain control scheme using a semiconductor optical amplifier,” IEICE Electronics Express, Vol. 16, No. 4, pp. 20190001 1-6, 2019

(21) H. Masuda, B. Biswas, MD S. Islam, and K. Kitamura, “Amplified-spontaneous emission feedback circuit scheme for optical measurement with improved optical power resolutions,” IEICE Communications Express, Vol. 11, No. 1, pp. 46-51, 2022

(22) B. Biswas, MD G. B. Abrar, K, Tanaka, R. Harada, K. Kitamura, and H. Masuda, “High-resolution and stable optical power measurement using a temperature controlled amplified-spontaneous-emission feedback circuit,” IEICE Communications Express, Vol. 12, No. 5, pp. 230-235, 2023

(23) B. Biswajit, Md G. B. Abrar1, K. Tanaka, R. Harada, K. Kitamura, and Hiroji Masuda, “Amplified-spontaneous-emission feedback circuit with wide operating bandwidth and dynamic range,” IEICE Electronics Express, Vol. 20, No. 17, pp. 20230229 1-6, 2023

(24) K. Kitamura, Md G. B. Abrar, K. Tanaka, R. Harada, and H. Masuda, “Guided spontaneous emission circuit technique with improved optical power resolutions for optical power variation measurement,” IEICE Electronics Express, Vol.22, No. 10, pp. 20250155 1-6, 2025

(25) H. Masuda, Y. Takenouchi, E. Ueno, Y. Dokan, S. Uchida, Md G. B. Abrar, and K. Kitamura, “Dynamic guided spontaneous-emission circuit technique with an SNR enhancement factor of 22.5 dB for optical power variation measurement,” IEICE Electronics Express, Vol.22, No. 24, pp. 20250598 1-6, 2025