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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 26 — Dec. 21, 2009
  • pp: 23556–23556
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NanoSi low loss horizontal slot waveguides coupled to high Q ring resonators: Erratum

Romain Guider, Nicola Daldosso, Alessandro Pitanti, Emmanuel Jordana, Jean-Marc Fedeli, and Lorenzo Pavesi  »View Author Affiliations


Optics Express, Vol. 17, Issue 26, pp. 23556-23556 (2009)
http://dx.doi.org/10.1364/OE.17.023556


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Abstract

An erratum is presented in order to correct the values of the Q-factor measured.

© 2009 OSA

We report here about a mistake made in our recent paper [1

1. R. Guider, N. Daldosso, A. Pitanti, E. Jordana, J. M. Fedeli, and L. Pavesi, “NanoSi low loss horizontal slot waveguide coupled to high Q ring resonators,” Opt. Express 17(23), 20762–20770 (2009). [CrossRef] [PubMed]

]. It consists of a wrong determination of the Q-factors of the ring resonators by improper Lorentzian fit of the experimental curves. In Fig. 3, the 3dB bandwidth is Δλ = 0.13 ± 0.02 nm and not 0.051 ± 0.01 nm as indicated in the manuscript. This corresponds to a quality factor Qfactor = λ/Δλ = 12000 ± 2000 at 1533.08 nm. The best value for a ring with R = 20 μm was found to be 14500 ± 2000. In smaller rings (R = 10 μm), Qfactor of about 15000 have been determined. These values remain among the best values found in the literature for similar size rings [2

2. R. Sun, P. Dong, N. N. Feng, C. Y. Hong, J. Michel, M. Lipson, and L. Kimerling, “Horizontal single and multiple slot waveguides: optical transmission at λ = 1550 nm,” Opt. Express 15(26), 17967–17972 (2007). [CrossRef] [PubMed]

].

As a consequence, Table 2 now reads.

Table 2. Qr and αr in coupled rings (R = 20μm) with and without Si-nc at different input powers at λ = 1533nm.

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These values of αr support even more strongly our hypothesis that high additional processing losses mask the role of the slot region composition in αr.

It is important to say that all other values in the paper are correct and that the main conclusions of the paper are not affected by these corrections.

Acknowledgements

The authors would like to thank Dr. Claudio Otón for pointing out this issue.

References and links

1.

R. Guider, N. Daldosso, A. Pitanti, E. Jordana, J. M. Fedeli, and L. Pavesi, “NanoSi low loss horizontal slot waveguide coupled to high Q ring resonators,” Opt. Express 17(23), 20762–20770 (2009). [CrossRef] [PubMed]

2.

R. Sun, P. Dong, N. N. Feng, C. Y. Hong, J. Michel, M. Lipson, and L. Kimerling, “Horizontal single and multiple slot waveguides: optical transmission at λ = 1550 nm,” Opt. Express 15(26), 17967–17972 (2007). [CrossRef] [PubMed]

OCIS Codes
(230.5750) Optical devices : Resonators
(230.7370) Optical devices : Waveguides
(230.4555) Optical devices : Coupled resonators

ToC Category:
Optical Devices

History
Original Manuscript: December 2, 2009
Published: December 8, 2009

Citation
Romain Guider, Nicola Daldosso, Alessandro Pitanti, Emmanuel Jordana, Jean-Marc Fedeli, and Lorenzo Pavesi, "NanoSi low loss horizontal slot waveguides coupled to high Q ring resonators: Erratum," Opt. Express 17, 23556-23556 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-26-23556


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