We report investigations of three types of silica-based thermo-optic modulating Mach-Zehnder interferometers(MZIs).They are widely used in optical communication and quantum *** types of MZIs are *** waveguide structur...
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We report investigations of three types of silica-based thermo-optic modulating Mach-Zehnder interferometers(MZIs).They are widely used in optical communication and quantum *** types of MZIs are *** waveguide structure and fabrication process are paid special *** power consumption is less than 250 mW for all *** polarization dependent loss(PDL)at the same attenuation using the upper heater is less than that using the lower heater for the three types of *** addition,it is found that the PDL at the same attenuation increases gradually forπ,2πand 0 phase *** measured response time of the three types of MZIs is less than 1.8 ms.
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