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Browse Journals & Magazines > Photonics Technology Letters, ...> Volume:23 Issue:23 Help

C -Band Optical 90 ^{\circ} Hybrids in Silicon Nanowaveguide Technology

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6 Author(s)
Voigt, K. ; Tech. Univ. Berlin, Berlin, Germany ; Zimmermann, L. ; Winzer, G. ; Hui Tian
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We present a fully passive silicon nanowire-based optical 90° hybrid based on a 4 × 4 multimode interference (MMI) coupler for application in coherent receivers. Simulations show 4×4 MMI coupler performance regarding excess loss, imbalance, bandwidth, and phase accuracy. The 4×4 MMI couplers show stable performance over C-band with excess loss and imbalance<; 0.5 dB and phase accuracy better than 5°. We obtain over C-band minimum extinction ratios of 20 dB.

Published in:
Photonics Technology Letters, IEEE  (Volume:23 ,  Issue: 23 )

Date of Publication: Dec.1, 2011

Page(s):
1769 - 1771
ISSN :
1041-1135
INSPEC Accession Number:
12332050
Digital Object Identifier :
10.1109/LPT.2011.2165703
Product Type:
Journals & Magazines
Date of Publication :
22 August 2011
Date of Current Version :
07 November 2011
Issue Date :
Dec.1, 2011
Sponsored by :
IEEE Photonics Society

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