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  • Editor: Alan E. Willner
  • Vol. 33, Iss. 5 — Mar. 1, 2008
  • pp: 530–532

Silicon-on-insulator eight-channel optical multiplexer based on a cascade of asymmetric Mach–Zehnder interferometers

Dae Woong Kim, Assia Barkai, Richard Jones, Nomi Elek, Hat Nguyen, and Ansheng Liu  »View Author Affiliations


Optics Letters, Vol. 33, Issue 5, pp. 530-532 (2008)
http://dx.doi.org/10.1364/OL.33.000530


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Abstract

A monolithically integrated eight-channel optical multiplexer (Mux) with a 400 GHz channel spacing 1550 nm is presented based on a silicon-on-insulator rib waveguide and an asymmetric Mach–Zehnder interferometer. All channels were optimized independently with integrated heaters. The fully tuned Mux shows an adjacent channel isolation of 13 dB , an excess loss of 2.6 dB , and a channel uniformity of 1.5 dB over a 25 nm wavelength span. In addition, the phase tuning efficiency for different interlevel dielectric layer thicknesses and thermal crosstalk were investigated.

© 2008 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(130.3120) Integrated optics : Integrated optics devices
(130.2755) Integrated optics : Glass waveguides

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 29, 2007
Manuscript Accepted: December 24, 2007
Published: February 29, 2008

Citation
Dae Woong Kim, Assia Barkai, Richard Jones, Nomi Elek, Hat Nguyen, and Ansheng Liu, "Silicon-on-insulator eight-channel optical multiplexer based on a cascade of asymmetric Mach-Zehnder interferometers," Opt. Lett. 33, 530-532 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-5-530


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References

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