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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 13 — Jun. 20, 2011
  • pp: 12456–12461

Continuously tunable optical buffer with a dual silicon waveguide design

Peter Horak, Will Stewart, and Wei H. Loh  »View Author Affiliations

Optics Express, Vol. 19, Issue 13, pp. 12456-12461 (2011)

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We propose a design for an optical buffer that comprises two coupled silicon waveguides, which is capable of generating a large continuously tunable change in the propagation delay time. The optical delay can be varied by more than 100% through varying the spacing between the waveguides.

© 2011 OSA

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(200.4490) Optics in computing : Optical buffers
(230.4685) Optical devices : Optical microelectromechanical devices

ToC Category:
Integrated Optics

Original Manuscript: March 10, 2011
Revised Manuscript: May 16, 2011
Manuscript Accepted: May 18, 2011
Published: June 13, 2011

Peter Horak, Will Stewart, and Wei H. Loh, "Continuously tunable optical buffer with a dual silicon waveguide design," Opt. Express 19, 12456-12461 (2011)

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  1. R. Langenhorst, M. Eiselt, W. Pieper, G. Grosskopf, R. Ludwig, L. Kuller, E. Dietrich, and H. G. Weber, “Fiber loop optical buffer,” J. Lightwave Technol. 14(3), 324–335 (1996). [CrossRef]
  2. H. Park, J. P. Mack, D. J. Bluementhal, and J. E. Bowers, “An integrated recirculating optical buffer,” Opt. Express 16(15), 11124–11131 (2008). [CrossRef] [PubMed]
  3. F. Xia, L. Sekaric, and Y. Vlasov, “Ultracompact optical buffers on a silicon chip,” Nat. Photonics 1(1), 65–71 (2007). [CrossRef]
  4. J. Yang, N. K. Fontaine, Z. Pan, A. O. Karalar, S. S. Djordjevic, C. Yang, W. Chen, S. Chu, B. E. Little, and S. J. B. Yoo, “Continuously tunable, wavelength-selective buffering in optical packet switching networks,” IEEE Photon. Technol. Lett. 20(12), 1030–1032 (2008). [CrossRef]
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  6. M. C. Lee and M. C. Wu, “Tunable coupling regimes of silicon microdisk resonators using MEMS actuators,” Opt. Express 14(11), 4703–4712 (2006). [CrossRef] [PubMed]
  7. V. R. Almeida, Q. Xu, C. A. Barrios, and M. Lipson, “Guiding and confining light in void nanostructure,” Opt. Lett. 29(11), 1209–1211 (2004). [CrossRef] [PubMed]
  8. N. K. Fontaine, J. Yang, Z. Pan, S. Chu, W. Chen, B. E. Little, and S. J. Ben Yoo, “Continuously tunable optical buffering at 40Gb/s for optical packet switching networks,” J. Lightwave Technol. 26(23), 3776–3783 (2008). [CrossRef]
  9. M. L. Povinelli, M. Loncar, M. Ibanescu, E. J. Smythe, S. G. Johnson, F. Capasso, and J. D. Joannopoulos, “Evanescent-wave bonding between optical waveguides,” Opt. Lett. 30(22), 3042–3044 (2005). [CrossRef] [PubMed]
  10. L. Martinez and M. Lipson, “High confinement suspended micro-ring resonators in silicon-on-insulator,” Opt. Express 14(13), 6259–6263 (2006). [CrossRef] [PubMed]

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