授業・セミナー／雑誌会　2017年度

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授業・セミナーのページ/雑誌会

2017/4/12
- Presenter:"Satoshi Kusaba"
- paper:"Phonon-assisted oscillatory exciton dynamics in monolayer MoSe2."
  Colin M. Chow et al., arXiv:1701.02770v1 cond-mat.mtrl-sci, (2017)

2017/4/26
- Presenter:"Tomoaki Ichii"
- paper:"Stability of polarized states for diamond valleytronics."
  J. Hammersberg et al., Appl. Phys. Lett. 104, 232105 (2014)

2017/5/10
- Presenter:"Kento Uchida"
- paper:"Large, valley-exclusive Bloch-Siegert shift in monolayer WS2"~, Y.-H. Lee et al., Science 13, 1852 (2017)."

2017/5/17
- Presenter:"Mitsuyoshi Takahata"
- paper:"Exciton–polaritons in van der Waals heterostructures embedded in tunable microcavities"~ S. Dufferwiel et al., Nature Communications 6, 8579 (2015)."

2017/5/24
- Presenter:"Takashi Arikawa"
- paper:
  1."Phase seeding of a terahertz quantum cascade laser" , Nature Communications 1(6), 69 (2010).
  2. "Mode-locking of a terahertz laser by direct phase synchronization", Optics Express Vol. 20, Issue 19, pp. 20855-20862 (2012).

2017/5/31
- Presenter:"Masayuki Watanabe"
- paper:"Light-induced collective pseudospin precession resonating with Higgs mode in a superconductor" R. Matsunagaa et al. , Sience 345, 1145 (2014)

2017/6/7
- Presenter:"Naotaka Yoshikawa"
- paper:"Symmetry-controlled temporal structure of high-harmonic carrier fields from a bulk crystal"
  F. Langer, M. Hohenleutner, U. Huttner, S. W. Koch, M. Kira and R. Huber Nature Photonics 11, 227–231 (2017).

2017/6/14
- Presenter:"Nobuko Naka"
- paper:"Even exciton series in Cu2O" Frank Schweiner et al., PHYSICAL REVIEW B 95, 195201 (2017)

2017/6/21
- Presenter:"Yoshiki Kubo"
- paper:"Homoepitaxial diamond film growth: High purity, high crystalline quality, isotopic enrichment, and single color center formation “
  Phys. Status Solidi A 212, No. 11, 2365–2384 (2015).

2017/6/28
- Presenter:"Kenji Takiguchi"
- paper:"Subwavelength Focusing of Light with Orbital Angular Momentum"
  Reinier W. Heeres* and Valery Zwiller, Nano Lett., 2014, 14, 4598−4601

2017/7/19
- Presenter:"Kohei Nagai"
- paper:"Dynamical birefringence: Electron-hole recollisions as probes of Berry curvature"
  Hunter B. Banks et al., arXiv:1706.08449 (2017).

2017/7/26
- Presenter:"Yasuyuki Sanari"
- paper:"Picosecond Electric-Field-Induced Threshold Switching in Phase-Change Materials"
  P. Zalden et al., Phys. Rev. Lett. 117, 067601 (2016).

2017/8/30
- Presenter:"Kazuki Konishi"
- paper:“Picosecond dynamics of free and bound excitons in doped diamond”
  J. Barjon et al.,Phys. Rev. B 93, 115202 (2016).

2017/10/4
- Presenter:"Ryoichi Sakata"
- paper:"Enantiomeric switching of chiral metamaterial for terahertz polarization modulation employing vertically deformable MEMS spirals"
  T. Kan et al., Nat. Commun. 6 8422 (2015).

2017/10/11
- Presenter:"Satoshi Kusaba"
- paper:"In-Plane Propagation of Light in Transition Metal Dichalcogenide Monolayers: Optical Selection Rules"
  G. Wang et al., PRL 119,047401 (2017).

2017/10/25
- Presenter:"Tomoaki Ichii"
- paper:"Large-amplitude transfer motion of hydrated excess protons mapped by ultrafast 2D IR spectroscopy"
  F. Dahms et al., Angew. Chem. Int. Ed. 55, 10600–10605 (2016).

2017/11/1
- Presenter:"Mitsuyoshi Takahata"
- paper:"Observation of Exciton Redshift−Blueshift Crossover in Monolayer WS2 "
  E. J. Sie et al., Nano Lett., 17, 4210 (2017).

2017/11/15
- Presenter:"Takashi Arikawa"
- paper:
  "Generation and detection of coherent terahertz waves using two photomixers"
  Appl. Phys. Lett. 73, 3824 (1999).
  "Continuous wave terahertz spectrometer as a noncontact thickness measuring device"
  Applied Optics 47, 3023 (2008).
  "Free-space electro-optic detection of continuous-wave terahertz radiation"
  Appl. Phys. Lett. 75, 2524 (1999).
  "Using a fiber stretcher as a fast phase modulator in a continuous wave terahertz spectrometer"
  JOSA B 29, 614 (2012).

2017/11/22
- Presenter:"Masayuki Watanabe"
- paper:"Coherent amplitudon generation in blue bronze through ultrafast interband quasi-particle decay"
  Dodderi M Sagar et. al., J. Phys.: Condens. Matter 19 (2007) 346208

2017/11/29
- Presenter:"Nobuko Naka"
- paper:"Stability of High-Density Two-Dimensional Excitons against a Mott Transition in High Magnetic Fields Probed by Coherent Terahertz Spectroscopy"
  Qi Zhang et al., Phys. Rev. Lett. 117, 207402 (2016).

2017/12/6
- Presenter:"Kento Uchida"
- paper:"The roles of photo-carrier doping and driving wavelength in high harmonic generation from a semiconductor" Nat. Commn. "
  Zhou Wang et al., Nature Communications 8, 1686 (2017).

2017/2/7
- Presenter:"Koichiro Tanaka"
  How does the resonant tunneling diode (RTD) work in THz region?

2017/2/14
- Presenter:"Yoshiki Kubo"
- paper:“Magnetotransport study of valley-polarized electrons in synthetic diamond"
  N. Suntornwipat, et al , Physical Review B 94, 035408 (2016)

2017/2/21
- Presenter:"Kohei Nagai"
- paper:"Observation of Exciton–Exciton Interaction Mediated Valley Depolarization in Monolayer MoSe2”
  F. Mahmood et al., Nano Letters 18, 223−228, (2018).

2017/2/28
- Presenter:"Ryoichi Sakata"
- paper:""Integrated Compact Optical Vortex Beam Emitters"
  Cai, X. et al., Science 338, 363–366 (2012).

2017/3/7
- Presenter:"Kenji Takiguchi"
- paper:"Scheme for Achieving a Topological Photonic Crystal by Using Dielectric Material”
  Long-Hua Wu and Xiao Hu, Phys. Rev. Lett. 114, 223901, (2015).