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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 36, Iss. 21 — Nov. 1, 2011
  • pp: 4293–4295

Optical isolator using two tandem phase modulators

Christopher R. Doerr, Nicolas Dupuis, and Liming Zhang  »View Author Affiliations


Optics Letters, Vol. 36, Issue 21, pp. 4293-4295 (2011)
http://dx.doi.org/10.1364/OL.36.004293


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Abstract

We propose and demonstrate an integrated optical isolator in InP using two phase modulators in series. The phase modulators are driven with a single-frequency signal in quadrature. Theoretically there is no effect on the forward signal, and the carrier of the backward signal can be eliminated, the energy distributed to other frequencies. We achieve a carrier isolation of 11 dB and an excess insertion loss of 2.3 dB . Such an isolator can be monolithically integrated with a laser without extra materials or magnetic fields.

© 2011 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(230.3240) Optical devices : Isolators

ToC Category:
Integrated Optics

History
Original Manuscript: August 25, 2011
Manuscript Accepted: September 13, 2011
Published: November 1, 2011

Citation
Christopher R. Doerr, Nicolas Dupuis, and Liming Zhang, "Optical isolator using two tandem phase modulators," Opt. Lett. 36, 4293-4295 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-21-4293


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References

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