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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 26 — Dec. 10, 2012
  • pp: B587–B594

Efficient modulation cancellation using reflective SOAs

S. Ó Dúill, L. Marazzi, P. Parolari, R. Brenot, C. Koos, W. Freude, and J. Leuthold  »View Author Affiliations


Optics Express, Vol. 20, Issue 26, pp. B587-B594 (2012)
http://dx.doi.org/10.1364/OE.20.00B587


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Abstract

Modulation cancellation and signal inversion are demonstrated within reflective semiconductor optical amplifiers. The effect is necessary to implement colorless optical network units for network end-users, where downstream signals need to be erased in order to reuse the carrier for upstream transmission. The results presented here indicate that reflective semiconductor optical amplifiers possess the perfect high-speed all-optical gain saturation characteristics to completely cancel the downstream modulation at microwatt optical power levels and are thus the prime candidate to be constituents of future optical network units. Theoretical considerations are supported by experiments that show the cancellation of signals with a 6 dB extinction ratio at 2.5 Gbit/s.

© 2012 OSA

OCIS Codes
(190.5940) Nonlinear optics : Self-action effects
(250.5980) Optoelectronics : Semiconductor optical amplifiers

ToC Category:
Subsystems for Optical Networks

History
Original Manuscript: October 1, 2012
Revised Manuscript: November 22, 2012
Manuscript Accepted: November 23, 2012
Published: December 6, 2012

Virtual Issues
European Conference on Optical Communication 2012 (2012) Optics Express

Citation
S. Ó Dúill, L. Marazzi, P. Parolari, R. Brenot, C. Koos, W. Freude, and J. Leuthold, "Efficient modulation cancellation using reflective SOAs," Opt. Express 20, B587-B594 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-26-B587


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References

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