Communication: The origin of many-particle signals in nonlinear optical spectroscopy of non-interacting particles
Journal Article
·
· Journal of Chemical Physics
- Univ. of California, Irvine, CA (United States). Dept. of Chemistry and Dept. of Physics and Astronomy
Nonlinear spectroscopy signals detected by fluorescence from dilute samples of N non-interacting molecules are usually adequately described by simply multiplying the single molecule response by N. Here, we show that signals that scale with higher powers of N are generated by the joint detection of several particles. This can be accomplished by phase sensitive detection such as phase cycling, photo-acoustic modulation, or by Hanbury-Brown Twiss photon coincidence. Such measurements can dissect the ensemble according to the number of excited particles.
- Research Organization:
- Univ. of California, Irvine, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; National Science Foundation (NSF)
- Grant/Contract Number:
- FG02-04ER15571; CHE-1361516
- OSTI ID:
- 1467860
- Alternate ID(s):
- OSTI ID: 1275975
- Journal Information:
- Journal of Chemical Physics, Vol. 145, Issue 4; ISSN 0021-9606
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 19 works
Citation information provided by
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