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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 7 — Jul. 1, 2012
  • pp: 1661–1671

Universal properties of the optimized off-resonant intrinsic second hyperpolarizability

David S. Watkins and Mark G. Kuzyk  »View Author Affiliations


JOSA B, Vol. 29, Issue 7, pp. 1661-1671 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001661


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Abstract

We seek to identify universal properties shared by all quantum systems with large intrinsic second hyperpolarizability (γint)—an invariant quantity that removes the effects of simple scaling. A large-γint quantum system is generated by varying the shape of a trial potential until γint is optimized. A variety of starting potentials yield a set of systems with distinctly shaped optimized potentials, but are found to share universal properties that separate into classes determined by the magnitude and sign of γint. However, the fact that the best systems are 0.6 times the fundamental limit suggests that exotic Hamiltonians may be required to reach the upper bound. The observed regularity hints at a deeper relationship between optimized systems that may provide useful insights applicable to designing better materials. Being general, this approach applies to any quantum system, including molecules, nanoparticles, or quantum gases.

© 2012 Optical Society of America

OCIS Codes
(020.5580) Atomic and molecular physics : Quantum electrodynamics
(160.4330) Materials : Nonlinear optical materials
(190.0190) Nonlinear optics : Nonlinear optics
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(160.4236) Materials : Nanomaterials
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

ToC Category:
Quantum Optics

History
Original Manuscript: January 24, 2012
Manuscript Accepted: March 19, 2012
Published: June 14, 2012

Citation
David S. Watkins and Mark G. Kuzyk, "Universal properties of the optimized off-resonant intrinsic second hyperpolarizability," J. Opt. Soc. Am. B 29, 1661-1671 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-7-1661

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