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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 19 — Oct. 1, 2007
  • pp: 2801–2803

Low-loss, low-cross-talk crossings for silicon-on-insulator nanophotonic waveguides

Wim Bogaerts, Pieter Dumon, Dries Van Thourhout, and Roel Baets  »View Author Affiliations


Optics Letters, Vol. 32, Issue 19, pp. 2801-2803 (2007)
http://dx.doi.org/10.1364/OL.32.002801


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Abstract

We present compact crossings for silicon-on-insulator photonic wires. The waveguides are broadened using a 3 μ m parabolic taper in each arm. By locally applying a lower index contrast using a double-etch technique, loss of confinement is reduced and 97.5 % transmission ( 1.7 dB ) is achieved with only 40 dB cross talk.

© 2007 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.1750) Integrated optics : Components
(130.2790) Integrated optics : Guided waves

ToC Category:
Integrated Optics

History
Original Manuscript: July 25, 2007
Manuscript Accepted: August 14, 2007
Published: September 20, 2007

Citation
Wim Bogaerts, Pieter Dumon, Dries Van Thourhout, and Roel Baets, "Low-loss, low-cross-talk crossings for silicon-on-insulator nanophotonic waveguides," Opt. Lett. 32, 2801-2803 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-19-2801


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References

  1. W. Bogaerts, R. Baets, P. Dumon, V. Wiaux, S. Beckx, D. Taillaert, B. Luyssaert, J. Van Campenhout, P. Bienstman, and D. Van Thourhout, J. Lightwave Technol. 23, 401 (2005). [CrossRef]
  2. W. Bogaerts, P. Dumon, D. Van Thourhout, D. Taillaert, P. Jaenen, J. Wouters, B. S. V. Wiaux, and R. Baets, IEEE J. Sel. Top. Quantum Electron. 12, 1394 (2006). [CrossRef]
  3. H. Chen and A. Poon, IEEE Photon. Technol. Lett. 18, 2260 (2006). [CrossRef]
  4. T. Fukazawa, T. Hirano, F. Ohno, and T. Baba, Jpn. J. Appl. Phys., Part 1 43, 646 (2004). [CrossRef]
  5. C. Wei, F. Groen, M. Smit, I. Moerman, P. Van Daele, and R. Baets, J. Lightwave Technol. 15, 906 (1997). [CrossRef]
  6. S. Johnson, C. Manolatou, S. Fan, P. Villeneuve, J. Joannopoulos, and H. Haus, Opt. Lett. 23, 1855 (1998). [CrossRef]
  7. D. Taillaert, W. Bogaerts, P. Bienstman, T. Krauss, P. Van Daele, I. Moerman, S. Verstuyft, K. De Mesel, and R. Baets, IEEE J. Quantum Electron. 38, 949 (2002). [CrossRef]

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