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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 1834–1837

Birefringence compensated silicon nanowire arrayed waveguide grating for CWDM optical interconnects

Jun Zou, Xiang Xia, Guanting Chen, Tingting Lang, and Jian-Jun He  »View Author Affiliations


Optics Letters, Vol. 39, Issue 7, pp. 1834-1837 (2014)
http://dx.doi.org/10.1364/OL.39.001834


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Abstract

We demonstrate an arrayed waveguide grating based on silicon nanowires with birefringence compensation for optical interconnects using coarse wavelength division multiplexing (CWDM). Angled star couplers are employed in combination with different diffraction orders for TM and TE polarizations. This device has a compact footprint of 0.36mm×0.17mm. Theoretical and experimental results show that the polarization-dependent wavelength shifts (PDλ) can be reduced from 380–420 to 0.5–3.5 nm, below 25% of the 3 dB bandwidth of channel response. The measured cross talk for TM polarization is better than 18dB, and that for TE is better than 14dB.

© 2014 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

History
Original Manuscript: November 29, 2013
Revised Manuscript: February 7, 2014
Manuscript Accepted: February 18, 2014
Published: March 21, 2014

Citation
Jun Zou, Xiang Xia, Guanting Chen, Tingting Lang, and Jian-Jun He, "Birefringence compensated silicon nanowire arrayed waveguide grating for CWDM optical interconnects," Opt. Lett. 39, 1834-1837 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-7-1834


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