2018
DOI: 10.1007/s11468-018-0830-3
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Selective Excitation on Tip-Enhanced Raman Spectroscopy by Pulse Shaping Femtosecond Laser

Abstract: In this paper, we propose a scheme for achieving ultrafast coherent control of the selective excitation among three excited states in stimulated Raman scattering process on a tip-enhanced Raman spectroscopy (TERS). The center frequencies of the pump and Stokes laser pulses are 14,000 cm −1 and 12,500 cm −1 , and their spectral bandwidths are both 700 cm −1. By properly modulating the spectral phase distribution and cutting the frequency components, the stimulated Raman transition probabilities of two excited s… Show more

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Cited by 10 publications
(9 citation statements)
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“…The measured interference period Λ is 4.94 μm, which is in good agreement with the theoretical value 9,44 . As shown inFig.…”
Section: Resultssupporting
confidence: 87%
“…The measured interference period Λ is 4.94 μm, which is in good agreement with the theoretical value 9,44 . As shown inFig.…”
Section: Resultssupporting
confidence: 87%
“…Therefore, the enhancement and selection of one Raman transition among the three excited states was simultaneous in the TERS nanostructure. Furthermore, the width of the depressed Raman peak was much greater than that of two enhanced and selected Raman transitions among the three excited states …”
Section: Enhanced Selective Excitation Of the Raman Transition Of Tersmentioning
confidence: 95%
“…Furthermore, the width of the depressed Raman peak was much greater than that of two enhanced and selected Raman transitions among the three excited states. [37]…”
Section: Enhanced Selective Excitation Of the Raman Transition Of Tersmentioning
confidence: 99%
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