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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 31, Iss. 1 — Jan. 1, 2013
  • pp: 87–93

Optimized Silicon AWG With Flattened Spectral Response Using an MMI Aperture

Shibnath Pathak, Michael Vanslembrouck, Pieter Dumon, Dries Van Thourhout, and Wim Bogaerts

Journal of Lightwave Technology, Vol. 31, Issue 1, pp. 87-93 (2013)


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Abstract

We demonstrate compact 12-channel 400 GHz arrayed waveguide grating wavelength demultiplexers (AWG) in silicon with a flattened spectral response. Insertion loss, crosstalk and non-uniformity are -3.29 dB, 17.0 dB and 1.55 dB, respectively. The flattened spectral response is obtained by using an optimized mode shaper consisting of a multi-mode interference coupler as the input aperture of the AWG. The ratio of the 1 dB bandwidth to the 10 dB bandwidth is improved by 50%, from 0.33 to 0.49 compared to a conventional AWG. The device size is only 560 × 350 µm<sup>2</sup>.

© 2012 IEEE

Citation
Shibnath Pathak, Michael Vanslembrouck, Pieter Dumon, Dries Van Thourhout, and Wim Bogaerts, "Optimized Silicon AWG With Flattened Spectral Response Using an MMI Aperture," J. Lightwave Technol. 31, 87-93 (2013)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-31-1-87

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