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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 9 — Apr. 26, 2010
  • pp: 9303–9313

Waveguide coupled photodiode using reflector and metal coplanar waveguide for optical triplexing applications

Shih-Hsiang Hsu, Yung Chen, and Hui-Zhi You  »View Author Affiliations

Optics Express, Vol. 18, Issue 9, pp. 9303-9313 (2010)

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The monitoring photodiode is the key building block for an optical triplexer at wavelengths of 1310, 1490, and 1550 nanometers. The InGaAs/InP photodetectors were proposed and fabricated to be monolithically integrated with AlGaAs/GaAs optical waveguides using total internal reflection coupling. The metal coplanar waveguides on top of the polyimide planarization and passivation layer were then connected to illustrate the high speed monitoring functions. The full width half maximum of the temporal response and 3-dB bandwidth for the optical waveguide coupled photodiodes demonstrated 29.5 ps and 11 GHz, respectively. The bit error rate performance of this integrated photodiode at 10 Gbit/s with 27-1 long pseudo-random bit sequence NRZ input data also showed error-free operation.

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OCIS Codes
(230.0230) Optical devices : Optical devices
(230.5160) Optical devices : Photodetectors
(230.7370) Optical devices : Waveguides

ToC Category:
Optical Devices

Original Manuscript: February 3, 2010
Revised Manuscript: March 12, 2010
Manuscript Accepted: April 7, 2010
Published: April 19, 2010

Shih-Hsiang Hsu, Yung Chen, and Hui-Zhi You, "Waveguide coupled photodiode using reflector and metal coplanar waveguide for optical triplexing applications," Opt. Express 18, 9303-9313 (2010)

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