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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. 3 — Mar. 1, 2012
  • pp: 420–428

Steady-state absorption–dispersion properties and four-wave mixing process in a quantum dot nanostructure

Xiangying Hao, Jing Wu, and Ying Wang  »View Author Affiliations


JOSA B, Vol. 29, Issue 3, pp. 420-428 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000420


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Abstract

With the presence of the signal pulse, a quantum dot (QD) four-level structure interacting with four fields forms a double-cascade configuration. The linear optical properties for amplification, absorption, and dispersion of two weak near-infrared (NIR) lights in this scheme are investigated. It shows that the amplification, transparency, normal and anomalous dispersion of the probe and signal fields, i.e., the two NIR waves, can be achieved by adjusting the relative phase of the applied lasers, the probe detuning, and the two pump Rabi energies appropriately, while when the signal pulse is removed, the nonlinear optical phenomenon four-wave mixing (FWM) originating from quantum interference is demonstrated. A highly efficient FWM process with a NIR mixing field generated can be realized in this system. Such investigation in a semiconductor QD system with flexible design and widely adjustable parameters may provide new possibilities for realizing the efficient generation and gain of NIR waves and manipulating light propagation between subluminal and superluminal in the solid-state materials.

© 2012 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(270.0270) Quantum optics : Quantum optics

ToC Category:
Quantum Optics

History
Original Manuscript: September 27, 2011
Revised Manuscript: October 30, 2011
Manuscript Accepted: November 10, 2011
Published: February 22, 2012

Citation
Xiangying Hao, Jing Wu, and Ying Wang, "Steady-state absorption–dispersion properties and four-wave mixing process in a quantum dot nanostructure," J. Opt. Soc. Am. B 29, 420-428 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-3-420

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