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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 33 — Nov. 20, 2010
  • pp: 6485–6488

Linearized electro-optic modulators based on a two-section Y-fed directional coupler

Beomsuk Lee, Che-Yun Lin, Alan X. Wang, Raluca Dinu, and Ray T. Chen  »View Author Affiliations


Applied Optics, Vol. 49, Issue 33, pp. 6485-6488 (2010)
http://dx.doi.org/10.1364/AO.49.006485


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Abstract

We experimentally demonstrate a linearized Y-fed directional coupler (DC) modulator based on an electro-optic (EO) polymer waveguide. The spurious free dynamic range of 119 dB / Hz 2 / 3 , which is 11 dB higher than that of the conventional Mach–Zehnder modulator, is achieved by introducing the reversed Δ β technique in the two-section Y-fed DC. The in-device EO coefficient ( r 33 ) of the fabricated device is as high as 79 pm / V in 1.55 μm wavelength, which is 88% of a single film r 33 of LPD-80/APC

© 2010 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4510) Fiber optics and optical communications : Optical communications
(250.2080) Optoelectronics : Polymer active devices
(250.5460) Optoelectronics : Polymer waveguides
(250.7360) Optoelectronics : Waveguide modulators
(250.4110) Optoelectronics : Modulators

ToC Category:
Optoelectronics

History
Original Manuscript: September 16, 2010
Manuscript Accepted: October 11, 2010
Published: November 17, 2010

Citation
Beomsuk Lee, Che-Yun Lin, Alan X. Wang, Raluca Dinu, and Ray T. Chen, "Linearized electro-optic modulators based on a two-section Y-fed directional coupler," Appl. Opt. 49, 6485-6488 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-33-6485

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