@article{CTT100633021,
  author = {Yasuaki Okano and Hiroyuki Katsuki and Hiroshi Takahashi and KAZUTAKA NAKAMURA and Kenji Ohmori},
  title = {Optical manipulation of coherent phonons in superconducting YBa2Cu3O7-d thin films},
  journal = {Faraday Discussions},
  year = 2011,
}

@article{CTT100633022,
  author = {JIANBO Hu and Oleg Misochko and Hiroshi Takahashi and Hiroaki Koguchi and Takayuki Eda and KAZUTAKA NAKAMURA},
  title = {Ultrafast zone-center coherent lattice dynamics in ferroelectric lithium tantalate},
  journal = {Science and Technology of Advanced Materials},
  year = 2011,
}

@article{CTT100633025,
  author = {Hiroshi Takahashi and Hiroaki Koguchi and Toshiyuki Atou and HIDEO HOSONO and Ikufumi Katayama and Jun Takeda and Masahiro Kitajima and KAZUTAKA NAKAMURA},
  title = {Coherent optical phonons in the iron oxypnictide SmFeAsO1-x Fx (x=0.075)},
  journal = {J. Phys. Soc. Jpn},
  year = 2011,
}