An electro-optic Mach-Zehnder modulator arrangement, comprising - a first optical waveguide forming a first arm of the Mach-Zehnder modulator; - a second optical waveguide forming a second arm of the Mach-Zehnder modulator; - an electrode arrangement comprising a plurality of first waveguide electrodes and a plurality of second waveguide electrodes arranged on top of capacitive segments (1110, 1210) of the first and the second optical waveguide (11, 12), respectively, such that a voltage can be applied across the capacitive segments (1110, 1210) of the first and second optical waveguide (11, 12); - a plurality of driver units for supplying a voltage to the electrode arrangement, each one of the driver unit comprising at least a first output port coupled to one of the first waveguide electrodes and a second output port coupled to one of the second waveguide electrodes; - a non-grounded conductive region via which the capacitive segments of the first optical waveguide are connected to the capacitive segments of the second optical waveguide such that the first and second waveguide electrodes (210, 220) are capacitively coupled to one another; and - a DC-source connected to the first and/or the second waveguide electrodes (210, 220) and the conductive region for supplying a bias voltage (V bias) across the capacitive segments (1110, 1210) of the optical waveguides (11, 12), wherein each one of the driver units is configured to supply a first varying signal (S+) to the first waveguide electrode via the first output port and to supply a second varying signal (S-) to the second waveguide electrode via the second output port, wherein each one of the driver units is a differential driver unit assigned to one first waveguide electrode and one second waveguide electrode, and wherein the DC-source is connected to the conductive region and ground, and wherein the DC-source is connected to the ground of the driving unit and the conductive region for supplying a bias voltage (V bias) across the capacitive segments (1110, 1210) of the optical waveguides (11, 12). - a first optical waveguide forming a first arm of the Mach-Zehnder modulator; - a second optical waveguide forming a second arm of the Mach-Zehnder modulator; - an electrode arrangement comprising a plurality of first waveguide electrodes and a plurality of second waveguide electrodes arranged on top of capacitive segments (1110, 1210) of the first and the second optical waveguide (11, 12), respectively, such that a voltage can be applied across the capacitive segments (1110, 1210) of the first and second optical waveguide (11, 12); - a plurality of driver units for supplying a voltage to the electrode arrangement, each one of the driver unit comprising at least a first output port coupled to one of the first waveguide electrodes and a second output port coupled to one of the second waveguide electrodes; - a non-grounded conductive region via which the capacitive segments of the first optical waveguide are connected to the capacitive segments of the second optical waveguide such that the first and second waveguide electrodes (210, 220) are capacitively coupled to one another; and - a DC-source connected to the first and/or the second waveguide electrodes (210, 220) and the conductive region for supplying a bias voltage (V bias) across the capacitive segments (1110, 1210) of the optical waveguides (11, 12),