TY - GEN
T1 - Probing ultrafast carrier-carrier scattering dynamics in epitaxial graphene
AU - Sum, Tze Chien
AU - Xing, Guichuan
AU - Huan, Cheng Hon Alfred
AU - Guo, Hongchen
AU - Zhang, Xinhai
PY - 2010
Y1 - 2010
N2 - Saturable absorption of graphene was experimentally and theoretically investigated in femtosecond time regime with the z-scan technique. The initial ultrafast carrier relaxation time was determined to be ~8(±3) fs. Such ultrafast dynamics is far beyond the time resolution of other ultrafast techniques with typical hundred fs laser pulses. Our results strongly suggest that graphene is an excellent atomic layer saturable absorber.
AB - Saturable absorption of graphene was experimentally and theoretically investigated in femtosecond time regime with the z-scan technique. The initial ultrafast carrier relaxation time was determined to be ~8(±3) fs. Such ultrafast dynamics is far beyond the time resolution of other ultrafast techniques with typical hundred fs laser pulses. Our results strongly suggest that graphene is an excellent atomic layer saturable absorber.
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U2 - 10.1364/qels.2010.jthe106
DO - 10.1364/qels.2010.jthe106
M3 - Conference contribution
AN - SCOPUS:85088758295
SN - 9781557528896
T3 - Optics InfoBase Conference Papers
BT - Quantum Electronics and Laser Science Conference, QELS 2010
PB - Optical Society of America (OSA)
T2 - Quantum Electronics and Laser Science Conference, QELS 2010
Y2 - 16 May 2010 through 21 May 2010
ER -