Excited-state enhancement of optical nonlinearity in C60

Feiming Li; Jie Song; Shixiong Qian; Yufen Li

doi:10.1117/12.196126

28 November 1994 Excited-state enhancement of optical nonlinearity in C60

Feiming Li, Jie Song, Shixiong Qian, Yufen Li

Proceedings Volume 2284, Fullerenes and Photonics; (1994) https://doi.org/10.1117/12.196126
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We report our observation of the excited-state enhancement of the nonlinear optical response in C₆₀ toluene solutions by simultaneous resonant pumping. The dynamics of this enhancement was studied and two different relaxation process were obtained, which can be attributed to the singlet and triplet excited states of C₆₀ molecule. The (gamma) _xxxx value of the singlet and triplet excited states were calculated to be enhanced by over three and two orders of magnitude respectively, compared with that of the ground state, while no enhancement was observed in the (gamma) _xyyx component.

Citation Download Citation

Feiming Li, Jie Song, Shixiong Qian, and Yufen Li "Excited-state enhancement of optical nonlinearity in C60", Proc. SPIE 2284, Fullerenes and Photonics, (28 November 1994); https://doi.org/10.1117/12.196126

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