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Proceedings Paper

Highly integrated optical 8x8 lambda-router in silicon-on-insulator technology: comparison between the ring and racetrack configuration
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Paper Abstract

In this paper, we demonstrate a compact 8x8 λ-router using multimode-interference (MMI) crossing based on the microring resonator. The 8x8 λ-router was designed and fabricated with a CMOS compatible silicon on insulator technology. MMI is used to reduce the cross talk and the crossing losses of the device. Microrings with a nominal radius of 2.5 μm and small variations of 10 nm of the nominal value allow respectively a free spectral range of 32 nm and spacing between channels of 4 nm. The experimental results are in good agreement with the modeling. The basic add drop filters of the devices exhibit losses of -2 dB and on/off contrast of the resonance of 20 dB. The total losses for one channel are about -4 dB and the imbalance between the 8 channels is lower than 2 dB.

Paper Details

Date Published: 17 May 2010
PDF: 8 pages
Proc. SPIE 7719, Silicon Photonics and Photonic Integrated Circuits II, 77190F (17 May 2010); doi: 10.1117/12.853812
Show Author Affiliations
G. F. Fan, Institut National des Sciences Appliquées de Lyon (France)
R. Orobtchouk, Institut National des Sciences Appliquées de Lyon (France)
J. M. Fédéli, CEA-LETI (France)


Published in SPIE Proceedings Vol. 7719:
Silicon Photonics and Photonic Integrated Circuits II
Giancarlo Cesare Righini, Editor(s)

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