02/09/2019

Keiko KOKEYAMA

KAGRA Observatory, Institute for Cosmic Ray Research (ICRR), University of Tokyo


PROFESSIONAL EXPERIENCES

2017-Present Assistant Professor, ICRR, University of Tokyo, Japan

2015-2017 Project Assistant Professor, ICRR, University of Tokyo, Japan

2011-2015 Research Associate, Louisiana State University, United States

2009-2011 Research Fellow, University of Birmingham, United Kingdom


EDUCATION

2009 Ph.D in Physics, Ochanomizu University, Tokyo, Japan

2006 Master in Physics, Ochanomizu University, Tokyo, Japan

2004 Bachelor in Physics, Ochanomizu University, Tokyo, Japan

 

AWARDS

Research Fellowship for Young Scientists, Doctoral Course (2007, JSPS)

Caltech Visitors Program (2006)

Summer Undergraduate Research Fellow (2004, Caltech)

 

Awards as a member of LIGO discovery team

Special Breakthrough Prize in Fundamental Physics (2016)

Gruber Foundation Cosmology Prize (2016)

 

PUBLICATIONS

Master Thesis

Development of Displacement- and Frequency-Noise-Free Interferometer for Gravitational Wave Detection, Ochanomizu University (2006)

PhD Thesis

Development of Displacement- and Frequency-Noise-Free Interferometer for Gravitational Wave Detection, Ochanomizu University (2009)

 

Refereed Paper

   [1]         Physics Letters A, Vol. 382, Issue 29 (2018), Pages 1950-1955, “Demonstration for a two-axis interferometric tilt sensor in KAGRA,” K Kokeyama, J G Park, K Cho, S Kirii, T Akutsu, M Nakano, S Kambara, K Hasegawa, N Ohishi, K Doi, S Kawamura

   [2]         J. Opt. Soc. Am. A, Vol. 31, No. 1, (2014), “Residual Amplitude Modulation in Interferometric Gravitational Wave Detectors," K Kokeyama, K Izumi, W Z Korth, N Smith-Lefebvre, K Arai, R X Adhikari

   [3]         Phys. Rev. Lett. 103, 171101 (2009), “Development of displacement- and frequency-noise-free interferometer in a 3D configuration for gravitational wave detectors,” K Kokeyama, S Sato, A Nishizawa, S Kawamura, Y Chen, and K Somiya

   [4]         Class. Quantum Grav. 25 235013 (2008), “Development of a signal-extraction scheme for resonant sideband extraction,” K Kokeyama, K Somiya, F Kawazoe, S Sato, S Kawamura and A Sugamoto

   [5]         Journal of Physics: Conference Series 122 (2008) 012022, “The experimental plan of displacement- and frequency-noise-free laser interferometer,” K Kokeyama, S Sato, A Nishizawa, S Kawamura, Y Chen, R Ward, A Pai, K Somiya and A Sugamoto

   [6]         J. Phys.: Conf. Ser. 32 424-431 (2006), “Downselect of the signal extraction scheme for LCGT,” K Kokeyama, S Sato, F Kawazoe, K Somiya, M Fukushima, S Kawamura and Akio Sugamoto

 

Articles

   [1]         Nature Astronomy, 3 (2019) 35-40, the KAGRA collaboration, “KAGRA: 2.5 generation interferometric gravitational wave detector”

   [2]         LIGO Magazine, issue 13, page 11 (2018), “Updates from KAGRA - Next step full lock,” Interview article

   [3]         高エネルギーニュース, Vol. 35, No. 2, pp. 87 (2016), 苔山圭以子, 「重力波検出と重力波天文学」

   [4]         LIGO Magazine, issue 5, page 10 (2014), K Kokeyama, “Life at the Louisiana site”

   [5]         AAPPS (Association of Asia Pacific Physical Societies) Bulletin, Vol. 26, No. 1 (2016), K Kokeyama and M Ohashi, “The inauguration ceremony of the KAGRA facility”

 

Refereed Paper (Co-author, Selected)

   [8]         Prog. Theor. Exp. Phys. (2018), 013F01, ”Construction of KAGRA: an underground gravitational-wave observatory,” the KAGRA collaboration

   [9]         Phys. Rev. Lett. 116, 061102 (2016), “Observation of Gravitational Waves from a Binary Black Hole Merger,” B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)                                                    

 [10]         Phys. Rev. Lett. 116, 131103 (2016) “GW150914: The Advanced LIGO Detectors in the Era of First Discoveries,” B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)

 [11]         The Astrophysical Journal Letters, 818: L22, 15pp (2016), “Astrophysical Implications if the Binary Black Hole Merger GW150914,” B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)

 [12]         Phys. Rev. Lett. 114, 161102 (2015), “Observation of parametric instability in advanced LIGO,” M Evans, S Gras, P Fritschel, J Miller, L Barsotti, D Martynov, A Brooks, D Coyne, R Abbott, R Adhikari, K Arai, R Bork, B Kells, J Rollins, N Smith-Lefebvre, G Vajente, H Yamamoto, R Derosa, A Effler, K Kokeyama, J Betzweiser, V Frolov, A Mullavey, B O‘Reilly, S Dwyer, K Izumi, K Kawabe, M Landry, D Sigg, S Ballmer, A Staley, C Mueller, H Grote, R Ward, E King, D Blair, L Ju, and C Zhao

 [13]         Class. Quantum Grav. 31 245010 (2014), “Achieving Resonance in the Advanced LIGO Gravitational-Wave Interferometer,” A Staley, D Martynov, R Abbott, R X Adhikari, K Arai, S Ballmer, L Barsotti, A Brooks, R DeRosa, S Dwyer, A Effler, M Evans, P Fritschel, V Frolov, C Gray, C Guido, D Gustafson, M Heintze, D Hoak, K Izumi, K Kawabe, J Kissel, K Kokeyama, D McClelland, A Mullavey, J Graef Rollins, J Sanders, R Schofield, D Sigg, B Slagmolen, N Smith-Lefebvre, G Vajente, R Ward and C Wipf

 [14]         Phys. Rev. D 82, 012002 (2010), “Experimental demonstration of higher-order Laguerre-Gauss mode interferometry,” P Fulda, K Kokeyama, S Chelkowski, and A Freise

 [15]         Phys. Rev. D 82, 127101 (2010),” Remarks on thermoelastic effects at low temperatures and quantum limits in displacement measurements,” K Somiya, K Kokeyama, and R Nawrodt

 [16]         Class. Quantum Grav. 25 114031 (2008), “Demonstration of displacement-noise-free interferometry using bi-directional Mach–Zehnder interferometers,” S Sato, K Kokeyama, S Kawamura, R L Ward, A Nishizawa, Y Chen, A Pai and K Somiya

 [17]         Phys. Rev. Lett. 98, 141101 (2007), “Demonstration of Displacement- and Frequency-Noise-Free Laser Interferometry Using Bidirectional Mach-Zehnder Interferometers,” S Sato, K Kokeyama, R. L. Ward, S Kawamura, Y Chen, A Pai, and K Somiya

 [18]         Phys. Rev. D 75, 082004 (2007), "Diagonalizing sensing matrix of a dual recycled laser interferometer gravitational wave antenna," S Sato, S Kawamura, K Kokeyama, F Kawazoe, K Somiya

 [19]         Phys. Rev. Lett. 97, 151103 (2006), “Interferometers for Displacement-Noise-Free Gravitational-Wave Detection,” Y Chen, A Pai, K Somiya, S Kawamura, S Sato, K Kokeyama, R. L. Ward, K Goda, and E. E. Mikhailov

 

Invited Talks (Selected)

   [1]         K Kokeyama, “Status of KAGRA, the underground and cryogenic gravitational-wave detector,” December 14th, 2018, The second international workshop, Particles, Gravitation and Universe (PGU 2018), Hanoi, Vietnam

   [2]         K Kokeyama, “State of Art: Gravitational Wave Detectors,” The 14th Japanese-German Frontiers of Science Symposium, September 6th, 2018, Brighton hotel, Kyoto, Japan

   [1]         K Kokeyama, “The Dawn of Gravitational-wave Astronomy,” December 7th, 2016, Asptroparticle Physics@Yachay (workshop), Yachay Tech, Ecuador

   [2]         苔山圭以子,「重力波検出器の開発と重力波天文学」, July 21st, 2016, 富山大学第213回物理学教室セミナー, Toyama University, Toyama, Japan

   [3]         K Kokeyama, “Operating large-scale gravitational-wave detectors,” July 12th, 2016, OSK-OSJ (Optical Society of Korea – Optical Society of Japan) Joint meeting, BEXCO, Busan, Korea

   [4]         苔山圭以子,「重力波検出器の開発と重力波天文学」、June 28th, 2016, 大阪大学電気工学特別講義, Osaka University, Osaka, Japan

   [5]         K Kokeyama for LSC, “Status of the Advanced LIGO detectors”, November 26th, 2014, Southeastern Section of the American Physical Society, Columbia, SC, United States

   [6]         K Kokeyama for LSC, “Commissioning activities in aLIGO Livingston,” August 2nd, 2014, KAGRA face to face meeting, Toyama University, Japan

 

Outreach Talks (Selected)

   [1]         「理系女子のための:重力波検出器の開発と重力波天文学」, TYLスクール 理系女子キャンプ, April 4th, 2017, 高エネルギー研究機構、茨城県つくば市

   [2]         飛騨市サイエンスカフェ, Aug 20th, 2016, 飛騨市神岡振興事務所, Hida, Gifu, Japan

   [3]         「大型重力波検出器での実験」, July 27th, 2016, Mini gravitational-wave workshop, お茶の水女子大学、東京

   [4]         “Melody from the Universe,” April 21st, 2016, Super Science High School, KAGRA observatory, Japan

   [5]         “Melody from the Universe: Let’s build a mini gravitational-wave detector,” March 26th, 2016, Workshop at Tamarokuto Science Center, Tokyo, Japan

   [6]         飛騨市サイエンスカフェ, July 31st, 2015, 神岡町公民館, Hida, Gifu, Japan

   [7]         “Dawn of the gravitational-wave astronomy,” April 24th, 2015, Super Science High School, KAGRA observatory, Japan