| Career Summary |
2002: Eng.D. (Osaka University)
2002: PostDoc Researcher (Research Center for Superconductor Photonics, Osaka University)
2003-2007: Researcher (ERATO Tokura Spin Superstructure Project, JST)
2007-2010: Researcher (ERATO Tokura Multiferroics Project, JST)
2010: Associate Professor (University of Tokyo)
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| Educational Activities |
Graduate school: Electrodynamics
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| Research Activities |
My long-term research interest is to investigate the optical properties of solids, ranging from terahertz to violet frequencies.
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Literature
1) "Gigantic terahertz magnetochromism via electromagnons in the hexaferrite magnet Ba2Mg2Fe12O22"
N. Kida et al., Physical Review B (2011) in press.
2) "Enhanced directional dichroism of terahertz light in resonance with magnetic excitations of the multiferroic Ba2CoGe2O7 oxide compound"
I. Kezsmarki, N. Kida et al., Physical Review Letters 106, 057403-1-4 (2011).
3) "Optical investigation on collective dynamics of charge-orbital density wave in layered manganites"
J. Fujioka, N. Kida et al., Physical Review B 82, 140409(R)-1-4 (2010).
Selected at Editorfs Suggestion
4) "Electromagnons in the spin collinear state of a triangular lattice antiferromagnet"
S. Seki, N. Kida et al., Physical Review Letters 105, 097207-1-4 (2010).
5) "Charge-ordering-induced polar domains and domain walls in a bilayered manganite Pr(Sr0.15Ca0.85)2Mn2O7"
H. Itoh, Y. Tokunaga, N. Kida et al., Applied Physics Letters 96, 032902-1-3 (2010).
6) "Electric-dipole-active magnetic resonance in the conical-spin magnet Ba2Mg2Fe12O22"
N. Kida et al., Physical Review B 80, 220406(R)-1-4 (2009).
7) "Lattice dynamics in the ab- and bc-spiral spin-ordered states of perovskite manganites"
J. S. Lee, N. Kida et al., Physical Review B 80, 134409-1-6 (2009).
8) "Electrically driven spin excitation at THz frequencies in bc and ab spiral spin phases of perovskite manganites"
N. Kida et al., Journal of Physics Conference Series 148, 012038-1-4 (2009).
9) "Anisotropic polarization pi-molecular skeleton coupled dynamics in proton-displacive organic ferroelectrics"
J. Fujioka, S. Horiuchi, N. Kida et al., Physical Review B 80, 125134-1-8 (2009).
10) "Terahertz time-domain spectroscopy of electromagnons in multiferroic perovskite manganites [Invited]"
N. Kida et al., Journal of the Optical Society of America B 26, A35-A51 (2009).
11) "Far-infrared optical study of electromagnons and their coupling to optical phonons in Eu1-xYxMnO3 (x=0.1, 0.2, 0.3, 0.4, and 0.45)"
Y. Takahashi, Y. Yamasaki, N. Kida et al., Physical Review B 79, 214431-1-8 (2009).
Selected at Editorfs Suggestion
12) "Systematics of electromagnons in the spiral spin-ordered states of RMnO3"
J. S. Lee, N. Kida et al., Physical Review B 79, 180403(R)-1-4 (2009).
13) "Electric-dipole active two-magnon excitation in ab spiral spin phase of a ferroelectric magnet Gd0.7Tb0.3MnO3"
N. Kida et al., Journal of the Physical Society of Japan 77, 123704-1-4 (2008).
14) "Evidence for an electric-dipole active continuum band of spin excitations in multiferroic TbMnO3"
Y. Takahashi, N. Kida et al.,Physical Review Letters 101, 187201-1-4 (2008).
15) "Electrically driven spin excitation in the ferroelectric magnet DyMnO3"
N. Kida et al., Physical Review B 78, 104414-1-9 (2008).
Selected at Editorfs Suggestion,
Highlighted in Synopsis Section of Physics.
16) "Optical magnetoelectric effect at CaRuO3-CaMnO3 interfaces as a polar ferromagnet"
H. Yamada, H. Sato, H. Akoh, N. Kida et al., Applied Physics Letters 92, 062508-1-3 (2008).
17) "Photoinduced phase transition in Pr0.7Ca0.3MnO3 thin films probed via ultrafast switching characteristics of terahertz radiation"
N. Kida et al., Physical Review B 76, 184437-1-7 (2007).
18) "Optical magnetoelectric effect of patterned oxide superlattices with ferromagnetic interfaces"
N. Kida et al., Physical Review Letters 99, 197404-1-4 (2007).
19) "Enhanced optical magnetoelectric effect in a patterned polar ferrimagnet"
N. Kida et al., Physical Review Letters 96, 167202-1-4 (2006).
20) "Terahertz radiation by an ultrafast spontaneous polarization modulation of multiferroic BiFeO3 thin films"
K. Takahashi, N. Kida et al., Physical Review Letters 96, 117402-1-4 (2006).
21) "Terahertz radiation from magnetoresistive Pr0.7Ca0.3MnO3 thin films under strong electric fields"
N. Kida et al., Journal of the Optical Society of America B 23, 179-182 (2006).
22) "Optical magnetoelectric effect in a submicron patterned magnet"
N. Kida et al., Physical Review Letters 94, 077205-1-4 (2005).
23) "Control of the ferroelectric properties of DyMn2O5 by magnetic fields"
D. Higashiyama, S. Miyasaka, N. Kida et al., Physical Review B 70, 174405-1-7 (2004).
24) "Effect of charge ordering and disordering on terahertz radiation characteristics of magnetoresistive Pr0.7Ca0.3MnO3 thin films"
N. Kida et al., Optics Letters 29, 2554-2556 (2004).
25) "Observation of a pseudogap at terahertz frequencies in the ferromagnetic metallic phase of La2-2xSr1+2xMn2O7 (x=0.3)"
K. Takahashi, N. Kida et al., Applied Physics Letters 83, 4303-4305 (2003).
26) "Reversible and bistable terahertz radiation from magnetoresistive Pr0.7Ca0.3MnO3 thin films"
N. Kida et al., Applied Physics Letters 82, 3412-3414 (2003).
27) "Partial and macroscopic phase coherences in an underdoped Bi2Sr2CaCu2O8+delta thin film"
H. Murakami, T. Kiwa, N. Kida et al., Europhysics Letters 60, 288-294 (2002).
28) "Spectroscopic evidence for a charge-density-wave condensate in a charge-ordered manganite: Observation of a collective excitation mode in Pr0.7Ca0.3MnO3 by using THz time-domain spectroscopy"
N. Kida et al., Physical Review B 66, 024401 (2002).
29) "Terahertz radiation from magnetoresistive Pr0.7Ca0.3MnO3 thin films"
N. Kida et al., Applied Physics Letters 78, 4115-4117 (2001).
30) "Low-energy charge dynamics in La0.7Ca0.3MnO3: THz time-domain spectroscopic studies"
N. Kida et al., Physical Review B 62, R11965-R11968 (2000).
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| Other Activities |
Member of The Physical Society of Japan, The Japan Society of Applied Physics, and American Physical Society.
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| Future Plan |
Our laboratory is now working on terahertz optics in strongly correlated electron systems.
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| Messages to Students |
I hope you will discover a new optical functionality while in our group.
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