Skip to main content
SpringerLink
Log in

Strip-Loaded High-Confinement Waveguides for Photonic Applications

  • Published:
Journal of Sol-Gel Science and Technology Aims and scope Submit manuscript

Abstract

Sol-gel is a promising deposition technique for the fabrication of silica-on-silicon photonic components. Silica-titania compositions provide large index differences, and thus strong mode confinement, and are suitable hosts for Er-doped optical amplifiers. We have developed channel waveguides based on phosphosilicate strip loads over high index titania-doped guiding layers. Here we demonstrate that low propagation loss (0.3 dB/cm) can be obtained in such guides at optical communication wavelengths. Alumina co-doped guiding layers are shown to inhibit OH retention without causing titania segregation, and reduced humidity during spinning is shown to be necessary to achieve low propagation losses.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. E.M. Yeatman, in Sol-gel and Polymer Photonic Devices, edited by S.I. Najafi and M. Andrews (SPIE Crit. Rev. Proc. CR-68, 1997), pp. 119–142.

  2. A.S. Holmes, R.R.A. Syms, L. Ming, and M. Green, Appl. Opt. 32, 4916 (1993).

    Google Scholar 

  3. R.R.A. Syms and A.S. Holmes, Phot. Tech. Lett. 5, 107 (1993).

    Google Scholar 

  4. L. Yang, S.S. Saavedra, N.R. Armstrong, and J. Hayes, Anal. Chem. 66, 1254 (1994).

    Google Scholar 

  5. R.R.A. Syms, V. Schneider, W. Huang, and A.S. Holmes, Electr. Lett. 31, 1833 (1995).

    Google Scholar 

  6. R.R.A. Syms, V. Schneider, W. Huang, and M.M. Ahmad, Electr. Lett. 33 (1997).

  7. R.A. Almeida, in Sol-gel and Polymer Photonic Devices, edited by S.I. Najafi and M. Andrews (SPIE Crit. Rev. Proc. CR-68, 1997), 172–191.

  8. H. Uetsuka, T. Hakuta, H. Okano, N. Taketani, and T. Teraoka, IEICE Trans. Electron. E80 C, 134 (1997).

    Google Scholar 

  9. A.S. Holmes and R.R.A. Syms, in Advances in Science and Technology 11:Advanced Materials in Optics, Electro-Optics and Communication Technologies, edited by P. Vincenzini and G.C. Righini (Techna, 1995), p. 73.

  10. E.M. Yeatman, Mino Green, E.J.C. Dawnay, M.A. Fardad, and F. Horowitz, J. Sol-Gel Sci. Tech. 2, 711 (1994).

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Electrical and Electronic Engineering, Imperial College, London, SW7 2BT, UK

    E.M. Yeatman, K. Pita & M.M. Ahmad

  2. Alenia, Via Tiburtina Km 12.4, 00131, Roma, Italy

    A. Vannucci & A. Fiorello

Authors
  1. E.M. Yeatman
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. K. Pita
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. M.M. Ahmad
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. A. Vannucci
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. A. Fiorello
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Yeatman, E., Pita, K., Ahmad, M. et al. Strip-Loaded High-Confinement Waveguides for Photonic Applications. Journal of Sol-Gel Science and Technology 13, 517–521 (1998). https://doi.org/10.1023/A:1008662404081

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/A:1008662404081

Search

Navigation