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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 5 — Mar. 1, 2013
  • pp: 733–735

Adiabatic thermo-optic Mach–Zehnder switch

Michael R. Watts, Jie Sun, Christopher DeRose, Douglas C. Trotter, Ralph W. Young, and Gregory N. Nielson  »View Author Affiliations


Optics Letters, Vol. 38, Issue 5, pp. 733-735 (2013)
http://dx.doi.org/10.1364/OL.38.000733


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Abstract

In this Letter, we propose and demonstrate a high-speed and power-efficient thermo-optic switch using an adiabatic bend with a directly integrated silicon heater to minimize the heat capacity and therein maximize the performance of the thermo-optic switch. A rapid, τ=2.4μs thermal time constant and a low electrical power consumption of Pπ=12.7mW/π-phase shift were demonstrated representing a Pπτ product of only 30.5mW·μs in a compact device with a phase shifter of only 10μm long.

© 2013 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(130.4815) Integrated optics : Optical switching devices

ToC Category:
Integrated Optics

History
Original Manuscript: November 19, 2012
Revised Manuscript: January 3, 2013
Manuscript Accepted: January 22, 2013
Published: February 26, 2013

Citation
Michael R. Watts, Jie Sun, Christopher DeRose, Douglas C. Trotter, Ralph W. Young, and Gregory N. Nielson, "Adiabatic thermo-optic Mach–Zehnder switch," Opt. Lett. 38, 733-735 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-5-733


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References

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  2. M. R. Watts, D. C. Trotter, R. W. Young, and A. L. Lentine, in Proceedings of Fifth IEEE International Conference on Group IV Photonics, Vol. 46 (IEEE, 2008), pp. 4–6.
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