Tera-photonics Team *Selected Publications (Oct.2005 - Aug.2009) 1. Katsuhiko Miyamoto, Seigo Ohno, Masafumi Fujiwara, Hiroaki Minamide, Hideki, Hahimoto, Hiromasa Ito, " Optimized terahertz-wave generation using BNA-DFG", Optics Express, vol. 17, No. 17, pp14832-14838, (Aug. 2009). [full text] 2. Seigo Ohno, Akihide Hamano, Katsuhiko Miyamoto, Chisato Suzuki, Hiromasa Ito, "Surface mapping of carrier density in a GaN wafer using a frequency-agile THz source", Journal of the European Optical Society - Rapid Publications 4, 09012 (Mar. 2009). [full text] 3. Ruixiang Guo, Seigo Ohno, Hiroaki Minamide, Tomofumi Ikari, and Hiromasa Ito, "Highly sensitive coherent detection of terahertz waves at room temperature using a parametric process," Applied Physics Letters 93, 021106 (Jul. 2008). [full text] 4. H. Yoneyama, M. Yamashita, S. Kasai, K. Kawase, H. Ito,and T. Ouchi, "Membrane device for holding biomolecule samples for terahertz spectroscopy", Opt. Commun. 281, No. 7, pp.1909--1913 (Feb. 2008). [full text] 5. Hiromasa Ito, Koji Suizu, Tomoyu Yamashita, and Tomohisa Sato, "Random frequency accessible broad tunable terahertz-wave source using phase-matched 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystal", Jpn. J. Appl. Phys. Vol.46, No.11, pp.7321-7324, (Nov. 2007). [full text] 6. Hidaka T. ,Ishikawa A. ,Kojou J. ,Ikari T. ,Ishikawa Y. ,Minamide H. ,Kudoh A. ,Nishizawa J. ,and Ito H., "Adaptive optics instrumentation in submillimeter/terahertz spectroscopy with a flexible polyvinylidence fluoride cladding hollow waveguide", Rev. Sci. Instrum. 78, 086109-1--086109-2 (Aug. 2007). [full text] 7. R. Guo, H. Minamide,T. Ikari,Y. Ishikawaand H. Ito, "Terahertz-wave spectrometer based on a coherent terahertz-wave parametric generator", Opt. Eng. 45, 113603-1--113603-4 (Nov. 2006). [full text] 8. M. Takahashi,Y. Kawazoe, Y. Ishikawaand H. Ito: "Low-frequency vibrations of crystalline α,α -trehalose dihydrate", Chem. Phys. Lett. 429, 371--377 (Aug. 2006). [full text] 9. R. Guo, K. Akiyama, H. Minamide and H. Ito, "All-solid-state, narrow linewidth, wavelength-agile terahertz-wave generator", Appl. Phys. Lett. 88, 091120-1--091120-3 (Mar. 2006). [full text] 10. T. Ikari, X. Zhang,H. Minamide and H. Ito, "THz-wave parametric oscillator with a surface-emitted configuration", Opt. Exp. 14, 1604--1610 (Feb. 2006). [full text] List of publications (Oct.2005 - Aug.2009) 1. 2. 3. 4. 5. 6. S. Hayashi, T. Shibuya, H. Sakai, T. Taira, C. Otani, Y. Ogawa, and K. Kawase, “Tunability Enhancement of a Katsuhiko Miyamoto, Seigo Ohno, Masafumi Fujiwara, Hiroaki Minamide, Hideki, Hahimoto, Hiromasa Ito, " Optimized terahertz-wave generation using BNA-DFG", Optics Express, vol. 17, No. 17, pp14832-14838, (Aug. 2009). Seigo Ohno, Akihide Hamano, Katsuhiko Miyamoto, Chisato Suzuki, Hiromasa Ito, "Surface mapping of carrier density in a GaN wafer using a frequency-agile THz source", Journal of the European Optical Society - Rapid Publications 4, 09012 (Mar. 2009) Shigehiro Nagano, Atsushi Syouji, Ryosuke Shimizu, Koji Suizu, Hiromasa Ito, Keiichi Edamatsu, " Generation of Cross-Polarized Photon Pairs via Type-II Third-Order Quasi Phase Matched Parametric Down-Conversion", Japan Journal of Applied Physics, 48, 050205-1-050205-3, (May 2009). 碇智文, Ruixiang Guo, 南出泰亜, 伊藤弘昌, “面放射型共振器を用いたテラヘルツ波パラメトリック発振器の高効率・高出力化”, レーザー学会誌レーザー研究, Vol.37, No5, (May 2009) 碇智文, 南出泰亜, 伊藤弘昌, 相場節也, “テラヘルツ波による生体薄切片試料の含有水分の 2 次元分布測定方法”, 日本赤外線学会誌, 第 18 巻 1 号, 12 月(2008） Ruixiang Guo, Seigo Ohno, Hiroaki Minamide, Tomofumi Ikari, and Hiromasa Ito, "Highly sensitive coherent detection of terahertz waves at room temperature using a parametric Tera-photonics Team 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. process," Applied Physics Letters 93, 021106 (Jul. 2008). H. Yoneyama, M. Yamashita, S. Kasai, K. Kawase, H. Ito,and T. Ouchi, "Membrane device for holding biomolecule samples for terahertz spectroscopy", Opt. Commun. 281, No. 7, pp.1909--1913 (Feb. 2008). Katsuhiko Miyamoto, Hiroaki Minamide, Masazumi Fujiwara, Hideki Hashimoto, and Hiromasa Ito, "Widely tunable terahertz-wave generation using an N-benzyl-2-methyl-4-nitroaniline crystal", Opt. Lett., 33, 252-254, (Feb. 2008). S. Nagano, R. Shimizu,Y. Sugiura,K. Suizu,K. Edamatsu, and H. Ito, "800-nm Band Cross-Polarized Photon Pair Source using Type-II Parametric Down-Conversion in Periodically Poled Lithium Niobate", Jpn. J. Appl. Phys. Pt.1 46, No. 44, pp.L1064--L1067 (Nov. 2007). Hiromasa Ito, Koji Suizu, Tomoyu Yamashita, and Tomohisa Sato, "Random frequency accessible broad tunable terahertz-wave source using phase-matched 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystal", Jpn. J. Appl. Phys. Vol.46, No.11, pp.7321-7324, (Nov. 2007). K. Suizu,T. Shibuya,S. Nagano,T. Akiba,K. Edamatsu,H. Ito and K. Kawase, "Pulsed High Peak Power Millimeter Wave Generation via Difference Frequency Generation Using Periodically Poled Lithium Niobate", Jpn. J. Appl. Phys. Pt.1 46, No. 40, pp.L982--L984 , (Oct. 2007). K. Suizu,K. Miyamoto,T. Ymashita,and H. Ito, "High-power terahertz-wave generation using DAST crystal and detection using mid-infrared powermeter", Opt. Lett. 32, No. 19, pp.2885--2887 (Oct. 2007). Hidaka T. ,Ishikawa A. ,Kojou J. ,Ikari T. ,Ishikawa Y. ,Minamide H. ,Kudoh A. ,Nishizawa J. ,and Ito H., "Adaptive optics instrumentation in submillimeter/terahertz spectroscopy with a flexible polyvinylidence fluoride cladding hollow waveguide", Rev. Sci. Instrum. 78, 086109-1--086109-2 (Aug. 2007). Shinichiro Hayashi, Hiroaki Minamide, Tomofumi Ikari, Yuichi Ogawa, Junichi Shikata, Hiromasa Ito, Chiko Otani, Kodo Kawase, "Output power enhancement of a palmtop terahertz-wave parametric generator", Applied Optics Vol.46, No.1, pp.117-123, (Jan. 2007). R. Guo, K. Akiyama, H. Minamide and H. Ito, "Frequency-agile terahertz-wave spectrometer for high-resolution gas sensing", Appl. Phys. Lett. 90, No. 12, pp.121127-1--121127-3 (Mar. 2007). K. Miyamoto and H. Ito, "Wavelength-agile mid-infrared (5-10 μm) generation using a galvano-controlled KTiOPO4 optical parametric oscillator", Opt. Lett. 32, No. 3, pp.274--276 (Feb. 2007). Takehiko Hidaka, Akihiro Ishikawa, Jun-Ichiro Kojoh, Tomofumi Ikari, Yoichi Ishikawa, Jun-Ichi Nishizawa, Hiroaki Minamide, and Hiromasa Ito, “Egg-plant shape launching lens for hollow THz waveguide”, The IEICE Transactions on Electronics (Japanese Edition) C, Vol. J89-C, No.12, pp.1120-1123, (Dec. 2006). R. Guo, H. Minamide,T. Ikari,Y. Ishikawaand H. Ito, "Terahertz-wave spectrometer based on a coherent terahertz-wave parametric generator", Opt. Eng. 45, 113603-1--113603-4 (Nov. 2006). K. Ishihara, K. Ohashi, T. Ikari, H. Minamide, H. Yokoyama, J. Shikata, and H. Ito, "Terahertz-wave near-field imaging with subwavelength resolution using surface-wave-assisted bow-tie aperture", Appl. Phys. Lett. 89, No. 20, pp.201120-1--201120-3 (Nov. 2006). M. Takahashi,Y. Kawazoe, Y. Ishikawaand H. Ito, "Low-frequency vibrations of crystalline α,α-trehalose dihydrate", Chem. Phys. Lett. 429, 371--377 (Aug. 2006). K. Suizu,Y. Suzuki,Y. Sasaki,H. Itoand Y. Avetisyan, "Surface-emitted terahertz-wave generation by ridged periodically poled lithium niobate and enhancement by mixing of two terahertz waves", Opt. Lett. 31, No. 7, pp.957--959 (Apr. 2006). Y. Sasaki,Y. Suzuki,K. Suizu,H. Ito,S. Yamaguchiand M. Imaeda, "Surface-emitted terahertz-wave difference-Frequency generation in periodically poled lithium niobate ridge-type waveguide", Jpn. J. Appl. Phys. Pt.2 45, No. 13, pp.L367--L369 (Mar. 2006). R. Guo, K. Akiyama, H. Minamide and H. Ito, "All-solid-state, narrow linewidth, wavelength-agile terahertz-wave generator", Appl. Phys. Lett. 88, 091120-1--091120-3 (Mar. 2006). T. Ikari,X. Zhang,H. Minamide and H. Ito, "THz-wave parametric oscillator with a surface-emitted configuration", Opt. Exp. 14, 1604--1610 (Feb. 2006). Y. Sasaki,Y. Avetisyan,H. Yokoyama and H. Ito, "Surface-emitted terahertz-wave difference-frequency generation in two-dimensional periodically poled lithium niobate", Opt. Lett. 30, 2927--2929 (Nov. 2005). T. Hidaka, H. Minamide, H. Ito, J. Nishizawa, K. Tamura, and S. Ichikawa, ”Ferroelectric PVDF cladding terahertzs waveguide” J. Lightw. Technol., Vol.23, No.8, pp. 2469-2473, (Aug. 2005). K. Ishihara, G. Hatakoshi, T. Ikari, H. Minamide, H. Ito, and K. Ohashi, “Terahertz wave enhanced transmission through a single subwavelength aperture with periodic surface structures”, Jpn. J. Appl. Phys. Vol. 44, No. 32, pp. L1005-l1007, (Jul. 2005). K. Ishihara, T. Ikari, H. Minamide, J. Shikata, K. Ohashi, H. Yokoyama, and H. Ito, “Terahertz near-field imaging using enhanced transmission through a single subwavelength aperture”, Jpn. J. Appl. Phys. Vol. 44, No. 29, pp. L929-L931, (Jul. 2005). T. Yago, Y. Ishikawa, H. Ito, H. Tanaka, E. Kwon, K. Sakamoto, K. Suto, M. Watanabe, and J. Nishizawa, “Correlation field splitting of intermolecular vibrations of crystalline tetracene in terahertz region”, Japanese Tera-photonics Team Journal of Applied Physics, Vol. 44, No.6A, pp. 4145-4150, (Jun. 2005). Books, Proceedings 1. 伊藤弘昌, “（巻頭言）非線形光学, 光科学への期待” , 光学, Vol. 38, No. 8, 8 月（2009） 2. 伊藤弘昌, “大学生活を振り返って” レーザー学会誌「レーザー研究」, vol36, No.6, (Jun. 2008). 3. 伊藤弘昌, ”テラヘルツ波研究の現状と展望”, 日本レーザー医学会誌, vol. 28, No 4, pp.389-394, (Jan., 2008) 4. 南出泰亜, 伊藤弘昌, “リング共振型広帯域波長可変THz波パラメトリック光源”, 光センシング技術資料集, オプトロニクス社, pp200-204 (2006) 5. 伊藤弘昌, “テラフォトニクスの歩みとこれから”, 光センシング技術資料集, オプトロニクス社, pp196-199 (2006)