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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 5, Iss. 8 — Oct. 11, 1999
  • pp: 157–162

Cross-wavelength all-optical switching using nonlinearity of liquefying gallium

V. Albanis, S. Dhanjal, N.I. Zheludev, P. Petropoulos, and D.J. Richardson  »View Author Affiliations

Optics Express, Vol. 5, Issue 8, pp. 157-162 (1999)

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The gallium/silica interface optical nonlinearity associated with a light-induced structural phase transition from a-gallium to a more reflective, more metallic phase shows an exceptionally broadband spectral response. It allows 40% deep nanosecond/microsecond cross-wavelength intensity modulation between signals at 1.3 and 1.55µm.

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OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(190.1450) Nonlinear optics : Bistability
(240.4350) Optics at surfaces : Nonlinear optics at surfaces

ToC Category:
Research Papers

Original Manuscript: July 20, 1999
Published: October 11, 1999

Vassilios Albanis, Sukhminder Dhanjal, Nickolay Zheludev, Periklis Petropoulos, and David Richardson, "Cross-wavelength all-optical switching using nonlinearity of liquefying gallium," Opt. Express 5, 157-162 (1999)

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  1. P. J. Bennett, S. Dhanjal, P. Petropoulos, D. J. Richardson and N. I. Zheludev, "A photonic switch based on a gigantic, reversible optical nonlinearity of liquefying gallium," App. Phys. Lett. 73, 1787-1789 (1998). [CrossRef]
  2. H. G. Von Schnering and R. Nesper, "Alpha-gallium - an alternative to the boron structure," Acta. Chem. Scan. 45, 870-872 (1991). [CrossRef]
  3. P. Petropoulos, H. L. Offerhaus, D .J. Richardson, S. Dhanjal and N. I. Zheludev, "Passive Q-switching of fiber lasers using a broadband liquefying gallium mirror," App. Phys. Lett. 74, 3619-3621 (1999). [CrossRef]
  4. M. Bernasconi, G. L. Chiarotti and E. Tosatti "Theory of the structural and electronic-properties of alpha- ga(001) and (010) surfaces," Phys. Rev B 52, 9999-10013 (1995). [CrossRef]
  5. R. Trittibach, Ch. Grutter, and J. H. Bilgram "Surface melting of gallium crystals," Phys. Rev. B 50, 2529-2539 (1994). [CrossRef]

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