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- Title
NON-RESONANT TWO-PHOTON ABSORPTION CONTROL BY TWO TIME-DELAYED LASER PULSES.
- Authors
LU, CHENHUI; ZHANG, SHIAN; JIA, TIANQING; QIU, JIANRONG; SUN, ZHENRONG
- Abstract
In this paper, we theoretically investigate the control of the non-resonant two-photon absorption induced by two time-delayed laser pulses, and an analytical solution for the dependence of the two-photon transition probability on the time delay and relative carrier-envelope phase of the two laser pulses is achieved. We show that the two-photon absorption can be significantly enhanced or completely suppressed by varying the time delay between the two laser pulses or their relative carrier-envelope phase. We also show that the two-photon absorption can be selectively excited when two excited states are simultaneously excited. Furthermore, we discuss the two-photon absorption control in the molecular system and analyze the effect of the absorption bandwidth on the control efficiency of the two-photon absorption.
- Subjects
TWO-photon absorbing materials; LIGHT absorption; CONTROL theory (Engineering); TIME delay systems; LASER pulses; ANALYTICAL solutions; BANDWIDTHS; COHERENCE (Nuclear physics)
- Publication
Journal of Nonlinear Optical Physics & Materials, 2013, Vol 22, Issue 1, p-1
- ISSN
0218-8635
- Publication type
Article
- DOI
10.1142/S0218863513500082