The role of leaking modes on dynamic range of amplitude and phase electro-optic light modulators

This research discusses the leaking modes as an important optical noise factor, that limits dynamic range and contrast in the electro-optic modulators. The simulation demonstrates that the power of leaking modes at the output port of a common Mach-Zehnder modulator consists a 10-15% of the main wave...

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Bibliographic Details
Published in2022 International Conference Laser Optics (ICLO) p. 1
Main Authors Gerasimenko, V.S., Gerasimenko, N.D., Petrov, V.M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 20.06.2022
Subjects
amplitude modulator
Dynamic range
Electro-optic modulators
Energy conservation
Laser modes
leaking mode
lithium noibate electro-optic modulator
Mach-Zehnder interferometers
Mach-Zehnder modulator
Optics
Phase modulation
phase modulator
waveguide
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Summary:This research discusses the leaking modes as an important optical noise factor, that limits dynamic range and contrast in the electro-optic modulators. The simulation demonstrates that the power of leaking modes at the output port of a common Mach-Zehnder modulator consists a 10-15% of the main waveguide mode even for the open state. When it is closed the leaking modes power increases due to the energy conservation law, so even after a Fresnel reflection from the modulator crystal's border the crosstalk can reach about 0,1-1% of the input power.
ISBN:1665466634
9781665466639
ISSN:2642-5580
DOI:10.1109/ICLO54117.2022.9840337