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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 2 — Feb. 1, 1998
  • pp: 740–750

Polymer in-line fiber modulators for broadband radio-frequency optical links

S. A. Hamilton, D. R. Yankelevich, A. Knoesen, R. T. Weverka, R. A. Hill, and G. C. Bjorklund  »View Author Affiliations


JOSA B, Vol. 15, Issue 2, pp. 740-750 (1998)
http://dx.doi.org/10.1364/JOSAB.15.000740


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Abstract

We present a polymer in-line fiber modulator with a rugged and low-loss interface to single-mode fibers that can be engineered to have a bias point that yields linear modulation over a large dynamic range. Two classes of large-bandwidth modulators, each of which benefits from different properties provided by polymers, are demonstrated. A lumped capacitor modulator, which uses a decal deposition technique, and a traveling-wave modulator, which takes advantage of polymer conformal coating and reactive ion etching to accurately trim the thickness of the polymer waveguide, are presented. Because the in-line fiber modulator configuration requires moderate loss to achieve a large dynamic range, an operational wavelength closer to the absorption peak of an electro-optic polymer can be used to exploit the resonant enhancement of electro-optic coefficients.

© 1998 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(250.2080) Optoelectronics : Polymer active devices
(250.5460) Optoelectronics : Polymer waveguides
(250.7360) Optoelectronics : Waveguide modulators

Citation
S. A. Hamilton, D. R. Yankelevich, A. Knoesen, R. T. Weverka, R. A. Hill, and G. C. Bjorklund, "Polymer in-line fiber modulators for broadband radio-frequency optical links," J. Opt. Soc. Am. B 15, 740-750 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-2-740

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