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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 6 — Mar. 15, 2013
  • pp: 914–916

Electrodes for wide-bandwidth substrate-removed electro-optic modulators

Selim Dogru, Jae Hyuk Shin, and Nadir Dagli  »View Author Affiliations


Optics Letters, Vol. 38, Issue 6, pp. 914-916 (2013)
http://dx.doi.org/10.1364/OL.38.000914


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Abstract

This Letter is on wide-bandwidth electrodes suitable for ultralow voltage substrate-removed compound semiconductor electro-optic modulators. Using a loaded line approach, traveling wave electrodes suitable for wide-bandwidth and low-voltage operation were studied theoretically and experimentally up to 35 GHz. Using staircase waveguides and n-i-p-i-n epilayer designs, electrode capacitance and resistance were reduced significantly. Experimental and modeling results are found to agree very well. Theoretical and experimental results indicate that subvolt modulators with electrical to optical bandwidths in excess of 30 GHz are possible.

© 2013 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.5990) Integrated optics : Semiconductors
(230.7020) Optical devices : Traveling-wave devices
(060.5625) Fiber optics and optical communications : Radio frequency photonics
(130.4110) Integrated optics : Modulators

ToC Category:
Integrated Optics

History
Original Manuscript: January 9, 2013
Revised Manuscript: February 6, 2013
Manuscript Accepted: February 11, 2013
Published: March 12, 2013

Citation
Selim Dogru, Jae Hyuk Shin, and Nadir Dagli, "Electrodes for wide-bandwidth substrate-removed electro-optic modulators," Opt. Lett. 38, 914-916 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-6-914


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References

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