Publications  (Conjugated p-electron system group)

* Important papers

R. Nakamura, K. Nakagawa, T. Horibe, H. Hashimoto, M. Nango, and M. Yoshizawa, 
gUltrafast spectroscopy of the reconstituted LH1 complex from Rhodospirillum rubrumh,
 to be submitted to J. Phys. Chem. B.
M. Yoshizawa, D. Kosumi, K. Abe, R. Nakamura, M. Fujiwara, and H. Hashimoto, 
gTime-resolved two-photon pump dispersive spectroscopy of the dark excited state (S1) in ƒÀ-Caroteneh, 
to be submitted to Chem. Phys. Lett. 
D. Kosumi, K. Abe, H. Karasawa, M. Fujiwara, H. Hashimoto, and M. Yoshizawa,
hUltrafast relaxation kinetics of all-trans-ƒÀ-carotene explored by linear and nonlinear excitationsh,
 to be submitted to Chem. Phys.
D. Kosumi, M. Fujiwara, H. Hashimoto, and M. Yoshizawa, 
hUltrafast nonlinear optical responses in all-trans-ƒÀ-carotene under the non-resonant excitation to the 
optically allowed S2 stateh, 
to be submitted to J. Phys. Soc. Jpn.
K. Abe, D. Kosumi, K. Yanagi, M. Miyata, H. Kataura, and M. Yoshizawa,
hUltrafast energy transfer between single-walled carbon nanotubes and encapsulated ƒÀ-caroteneh,
 submitted to Carotenoid Science.
D. Kosumi, M. Fujiwara, R. Fujii, R. J. Cogdell, H. Hashimoto, and M. Yoshizawa,
hConjugation length dependence of the ultrafast relaxation kinetics of the S2 and S1 states in ƒÀ-carotene 
homologs and lycopene studied by femtosecond time-resolved absorption and Kerr-gate fluorescence 
spectroscopiesh,
 submitted to J. Phys. Chem.
*K. Abe, D. Kosumi, K. Yanagi, Y. Miyata, H. Kataura, and M. Yoshizawa,
hLight-harvesting function of ƒÀ-carotene inside carbon nanotubes explored by femtosecond absorption 
spectroscopyh, 
Phys. Rev. B, 77(16), 165436/1-6 (2008).
D. Kosumi, H. Hashimoto, and M. Yoshizawa,
hThe S1 relaxation kinetics of all-trans-ƒÀ-carotene explored by two-photon excitationh,
Carotenoid Science, 13, 49-52 (2008).
K. Abe, D. Kosumi, K. Yanagi, M. Miyata, H. Kataura, and M. Yoshizawa,
hUltrafast excited energy transfer from ƒÀ-carotene inside single-walled carbon nanotubesh,
Carotenoid Science, 13, 46-48 (2008).
M. Yoshizawa, D. Kosumi, M. Komukai, K. Yanagi, R. Fujii, and H. Hashimoto,
hThe S2 excited state and nonlinear optical effects in carotenoids investigated by femtosecond 
fluorescence and absorption spectroscopiesh, 
Carotenoid Science, 11, 21-25 (2007).
D. Kosumi, S. Minato, H. Hashimoto, and M. Yoshizawa,
h Delay time dependence of stimulated Raman spectrum of the S1 excited state in ƒÀ-caroteneh,
Carotenoid Science, 11, 35-37 (2007).

*D. Kosumi, K. Yanagi, R. Fujii, H. Hashimoto, and M. Yoshizawa,
hConjugation length dependence of relaxation kinetics in ƒÀ-carotene homologs probed by
femtosecond Kerr-gate fluorescence spectroscopyh,
Chem. Phys. Lett. 425(1-3), 66-70,(2006).

 D. Kosumi, K. Yanagi, H. Hashimoto, and M. Yoshizawa,
hConjugation length dependence of ultrafast fluorescence in all-trans-carotenoidsh,
Carotenoid Science 10, 68-71 (2006).

M. Yoshizawa, D. Kosumi, M. Komukai, K. Yanagi, and H. Hashimoto,
gInitial Relaxation Kinetics and Nonlinear Optical Responses in ƒÀ-Carotene Investigated by
Resonant and Nonresonant Photoexcitationsh,
Carotenoid Science 10, 65-67 (2006).

M. Yoshizawa, D. Kosumi, M. Komukai, and H. Hashimoto,
 gUltrafast optical responses of three-level systems in ƒÀ-carotene: Resonance to a highly lying
n1Ag- excited stateh,
Laser Phys. 16(2),325-330  (2006).

*D. Kosumi, M. Komukai, H. Hashimoto, and M. Yoshizawa,
hUltrafast Dynamics of All-trans-
b-Carotene Explored by Resonant and Nonresonant Photoexcitationsh,
Phys. Rev. Lett. 95, 213601/1-4 (2005).

D. Kosumi, K. Yanagi, T. Nishio, H. Hashimoto, and M. Yoshizawa,
gExcitation energy dependence of excited states dynamics in all-trans-carotenes determined by
femtosecond absorption and fluorescence spectroscopyh,
Chem. Phys. Lett. 408 , 89-95 (2005).

M. Yoshizawa, D. Kosumi, M. Komukai, K. Yanagi, and H. Hashimoto,
gExcitation Energy Dependence of Relaxation Kinetics and Nonlinear Optical Responses in
all-trans-carotenoidsh,
Carotenoid Science, 9, 114-114 (2005) .

D. Kosumi, M. Komukai, K. Yanagi, H, Hashimoto, and M. Yoshizawa,
gTime-resolved Absorption and Fluorescence Spectroscopy in Carotenoids Using Tunable
Femtosecond Pump Pulsesh,
Carotenoid Science 8, 62-64 (2005).

M. Yoshizawa, D. Kosumi, M. Komukai, K. Yanagi, and H. Hashimoto,
gDynamics of Carotenoids Probed by Femtosecond Absorption, Fluorescence, and Raman
 Spectroscopy g,
Ultrafast Phenomena XIV, Springer Series in Chemical Physics 79, pp.589-591 (2005).

H. Hashimoto, K. Yanagi, M. Yoshizawa, D. Polli, G. Cerullo, G. Lanzani, S. De Silvestri, A. T. Gardiner,
and R. J. Cogdell,
"
The Very Early Events Following Photoexcitation of Carotenoids",
Archives of Biochemistry and Biophysics 430, 61-69 (2004).

D. Kosumi, H. Hashimoto, and M. Yoshizawa,
"Pump wavelength dependence of ultrafast relaxation kinetics in
ƒÀ-carotene",
Carotenoid Science 7, 29-31 (2004).

M. Yoshizawa, H. Aoki, M. Ue, and H. Hashimoto,
"Ultrafast Relaxation Kinetics in Mini- and Macro-Carotenes Investigated by Femtosecond Absorption
and Raman Spectroscopy",
Carotenoid Science 6, 24-25 (2003).

M. Yoshizawa and H. Hashimoto,
"Ultrafast dynamics in a series of carotenoids investigated by time-resolved stimulated Raman
spectroscopy",
SPIE Proceedings of International Symposium on Optical Science and Technology, 5212, 13-22 (2003).

M. Yoshizawa, H. Aoki, M. Ue, and H. Hashimoto
 "Ultrafast Relaxation Kinetics of Excited States in a Series of Mini- and Macro-
ƒÀ-Carotenes",
 Phys. Rev. B 67, 174302 (2003) .

M. Yoshizawa, H. Aoki, M. Ue, and H. Hashimoto,
"Ultrafast Relaxation Kinetics in Mini- and Macro-Carotenes Investigated by Femtosecond Absorption
and Raman Spectroscopy",
Carotenoid Science 6, 24 (2003).

M. Yoshizawa, H. Aoki, and H. Hashimoto,
" Femtosecond Time-Resolved Raman Signals on Ultrafast Dynamics in All-trans-
ƒÀ-Carotene",
Bull. Chem. Soc. Jpn. 75, 949 (2002).

M. Yoshizawa, H. Aoki, M. Ue, T. Yamada, and H. Hashimoto,
g
Ultrafast Relaxation in a Series of Carotenes with Several Polyene Lengthsh,
Carotenoid Science 5, 39 (2002).

*M. Yoshizawa, H. Aoki, and H. Hashimoto,
"Vibrational relaxation of the 2Ag excited state in all-trans-
ƒÀ-carotene obtained by femtosecond  
time-resolved Raman spectroscopy",
Phys. Rev. B 63, 0301 (2001).

M. Yoshizawa, H. Aoki, and H. Hashimoto,
"Femtosecond time-resolved Raman spectroscopy of the excited states of
ƒÀ-carotene",
Carotenoid Science 4, 15 (2001).

*M. Yoshizawa and M. Kurosawa
" Femtosecond time-resolved Raman spectroscopy using stimulated Raman scattering",
Phys. Rev. A6101, 3808(2000).

M. Yoshizawa, M. Kubo, and M. Kurosawa,
"Ultrafast photoisomerization in DCM dye observed by new femtosecond Raman spectroscopy",
J. Lumin. 87-89, 739(2000).

M. Yoshizawa, A. Kubo, and S. Saikan
"Femtosecond relaxation kinetics of fluorescent and nonfluorescent states in blue- and red-phase polydiacetylenes",
Phys. Rev. B60, 15632(1999).

M. Yoshizawa, K. Suzuki, A. Kubo, and S. Saikan
"Femtosecond study of S2 fluorescence in malachite green in solutions",
Chem. Phys. Lett. 290, 43(1998).

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