Journal
OPTICS COMMUNICATIONS
Volume 285, Issue 6, Pages 1144-1147Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2011.11.064
Keywords
Waveguide modulators; Microring resonators; Silicon photonics; Photonic integrated circuits
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Funding
- [TEC2008-06360DEMOTEC]
- [TEC2008-06333SINADEC]
- [PROMETEO-2010-087]
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In this paper, a method for measuring waveguide propagation losses by means of a Mach-Zehnder Interferometer (MZI) structure is reported. The method, based on the analysis of the transmission spectra of asymmetric MZIs, enables the propagation losses of the optical waveguides to be calculated without the requirement of identical coupling conditions for each measurement. In addition, the power imbalance of the branching structure in the MZI can also be obtained. Our theoretical analysis is supported by experimental measurements. (C) 2011 Elsevier B.V. All rights reserved.
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