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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 19 — Sep. 12, 2011
  • pp: 18260–18271

Demonstration of modulatable optical near-field interactions between dispersed resonant quantum dots

Naoya Tate, Makoto Naruse, Wataru Nomura, Tadashi Kawazoe, Takashi Yatsui, Morihisa Hoga, Yasuyuki Ohyagi, Yoko Sekine, Hiroshi Fujita, and Motoichi Ohtsu  »View Author Affiliations

Optics Express, Vol. 19, Issue 19, pp. 18260-18271 (2011)

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We experimentally demonstrated the basic concept of modulatable optical near-field interactions by utilizing energy transfer between closely positioned resonant CdSe/ZnS quantum dot (QD) pairs dispersed on a flexible substrate. Modulation by physical flexion of the substrate changes the distances between quantum dots to control the magnitude of the coupling strength. The modulation capability was qualitatively confirmed as a change of the emission spectrum. We defined two kinds of modulatability for quantitative evaluation of the capability, and an evident difference was revealed between resonant and non-resonant QDs.

© 2011 OSA

OCIS Codes
(200.3050) Optics in computing : Information processing
(200.4740) Optics in computing : Optical processing
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(350.4238) Other areas of optics : Nanophotonics and photonic crystals

ToC Category:
Optics in Computing

Original Manuscript: June 7, 2011
Revised Manuscript: July 31, 2011
Manuscript Accepted: August 25, 2011
Published: September 2, 2011

Naoya Tate, Makoto Naruse, Wataru Nomura, Tadashi Kawazoe, Takashi Yatsui, Morihisa Hoga, Yasuyuki Ohyagi, Yoko Sekine, Hiroshi Fujita, and Motoichi Ohtsu, "Demonstration of modulatable optical near-field interactions between dispersed resonant quantum dots," Opt. Express 19, 18260-18271 (2011)

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