scholarly journals Pump-Probe Time-Resolved Sum Frequency Spectroscopy of the H-Si(111)1×1 surface

2010 ◽  
Vol 8 (0) ◽  
pp. 89-92 ◽  
Author(s):  
Khuat Thi Thu Hien ◽  
Yoshihiro Miyauchi ◽  
Goro Mizutani
Keyword(s):  
Time Resolved ◽  
Pump Probe ◽  
Sum Frequency ◽  
Sum Frequency Spectroscopy

Construction of a pump-probe system for observing time-resolved sum frequency images

2010 ◽  
Vol 42 (10-11) ◽  
pp. 1671-1674 ◽  
Author(s):  
Khuat Thi Thu Hien ◽  
Yoshihiro Miyauchi ◽  
Goro Mizutani
Keyword(s):  
Time Resolved ◽  
Pump Probe ◽  
Sum Frequency ◽  
Probe System

scholarly journals Femtosecond Time-Resolved Infrared-Resonant Third-Order Sum-Frequency Spectroscopy

ACS Photonics ◽  
2021 ◽  
Author(s):  
Jizhou Wang ◽  
Kai Wang ◽  
Yujie Shen ◽  
Zehua Han ◽  
Fu Li ◽  
...  
Keyword(s):  
Third Order ◽  
Time Resolved ◽  
Sum Frequency ◽  
Sum Frequency Spectroscopy

Pump-Probe Measurements Using Silicon Nanocrystal Waveguides

2003 ◽  
Vol 770 ◽  
Author(s):  
Nathanael Smith ◽  
Max J. Lederer ◽  
Marek Samoc ◽  
Barry Luther-Davies ◽  
Robert G. Elliman
Keyword(s):  
Probe Beam ◽  
Time Resolution ◽  
Pump Beam ◽  
Silicon Nanocrystals ◽  
Continuous Wave ◽  
Optical Gain ◽  
Optical Pump ◽  
Time Resolved ◽  
Pump Probe ◽  
Probe Measurements

AbstractOptical pump-probe measurements were performed on planar slab waveguides containing silicon nanocrystals in an attempt to measure optical gain from photo-excited silicon nanocrystals. Two experiments were performed, one with a continuous-wave probe beam and a pulsed pump beam, giving a time resolution of approximately 25 ns, and the other with a pulsed pump and probe beam, giving a time resolution of approximately 10 ps. In both cases the intensity of the probe beam was found to be attenuated by the pump beam, with the attenuation increasing monotonically with increasing pump power. Time-resolved measurements using the first experimental arrangement showed that the probe signal recovered its initial intensity on a time scale of 45-70 μs, a value comparable to the exciton lifetime in Si nanocrystals. These data are shown to be consistent with an induced absorption process such as confined carrier absorption. No evidence for optical gain was observed.

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