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Ultra-low power fiber-coupled gallium arsenide photonic crystal cavity electro-optic modulator |
Optics Express, Vol. 19, Issue 8, pp. 7530-7536 (2011)
http://dx.doi.org/10.1364/OE.19.007530
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Abstract
We demonstrate a gallium arsenide photonic crystal cavity injection-based electro-optic modulator coupled to a fiber taper waveguide. The fiber taper serves as a convenient and tunable waveguide for cavity coupling with minimal loss. Localized electrical injection of carriers into the cavity region via a laterally doped p-i-n diode combined with the small mode volume of the cavity enable ultra-low energy modulation at sub-fJ/bit levels. Speeds of up to 1 GHz are demonstrated with photoluminescence lifetime measurements revealing that the ultimate limit goes well into the tens of GHz.
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OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(250.4110) Optoelectronics : Modulators
ToC Category:
Optoelectronics
History
Original Manuscript: February 22, 2011
Revised Manuscript: March 24, 2011
Manuscript Accepted: March 25, 2011
Published: April 4, 2011
Citation
Gary Shambat, Bryan Ellis, Marie A. Mayer, Arka Majumdar, Eugene E. Haller, and Jelena Vučković, "Ultra-low power fiber-coupled gallium arsenide photonic crystal cavity electro-optic modulator," Opt. Express 19, 7530-7536 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-8-7530
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