Extinction ratio and wavelength flatness for imbalanced Mach-Zehnder interferometer in silicon-on-insulator

Extinction ratio and wavelength flatness for imbalanced Mach-Zehnder interferometer in silicon-on-insulator

ABSTRACT The imbalanced Mach–Zehnder interferometer typically uses two multimode interferences individually connected with different path length for interferometric applications. When the optical loss difference between two phase arms is significant, the new splitting scheme using Mach–Zehnder based...

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Veröffentlicht in:Microwave and optical technology letters 2014-12, Vol.56 (12), p.2950-2952
Hauptverfasser: Hsu, Shih-Hsiang, Chung, Yi, Wang, Chih-Ming, Yang, Yung-Chia
Format: Artikel
Sprache:eng
Schlagworte:
directional coupler
Extinction
extinction ratio
Flatness
Interferometry
Mach-Zehnder interferometer
Mach-Zehnder interferometers
Microwaves
multimode interference
silicon-on-insulator
Splitting
supermode
Two phase
Wavelengths
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Zusammenfassung:ABSTRACT The imbalanced Mach–Zehnder interferometer typically uses two multimode interferences individually connected with different path length for interferometric applications. When the optical loss difference between two phase arms is significant, the new splitting scheme using Mach–Zehnder based directional coupler could compensate loss discrepancy for higher extinction ratio and wavelength independence. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:2950–2952, 2014
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.28745