Modulator arrangement, comprising at least a first and a second electro-optical Mach-Zehnder modulator, wherein at least one optical waveguide of the first Mach-Zehnder modulator (21, 24) crosses at least one optical waveguide of the second Mach-Zehnder modulator (22, 23), wherein each one of the Mach-Zehnder modulators comprises two optical waveguides in the form of two waveguide arms (211, 212, 221, 222, 231, 232, 241, 242) extending at least between an optical splitter and an optical combiner of the Mach-Zehnder modulators, wherein the optical splitter (31, 34) of the first Mach-Zehnder modulator (21, 24) distributes light coupled into an input waveguide (213, 243) of the first Mach-Zehnder modulator (21, 24) to the waveguide arms (211, 212, 241, 242) of the first Mach-Zehnder modulator (21, 24), while the optical combiner (41, 44) of the first Mach-Zehnder modulator (21, 24) merges the light guided in the waveguide arms (211, 212, 241, 242) of the first Mach-Zehnder modulator (21, 24) into an output waveguide (214, 244) of the first Mach-Zehnder modulator (21, 24), and the optical splitter (32, 33) of the second Mach-Zehnder modulator (22, 23) distributes light coupled into an input waveguide (223, 233) of the second Mach-Zehnder modulator (22, 23) to the waveguide arms (221, 222, 231, 232) of the second Mach-Zehnder modulator (22, 23), while the optical combiner (42, 43) of the second Mach-Zehnder modulator (22, 23) merges the light guided in the waveguide arms (221, 222, 231, 232) of the second Mach-Zehnder modulator (22, 23) into an output waveguide (224, 234) of the second Mach-Zehnder modulator (22, 23), and wherein at least one optical waveguide of one of the Mach-Zehnder modulators crosses the waveguide arms (221, 222, 231, 232) of the other Mach-Zehnder modulator in a crossing region (201a, 201b), characterized in that the Mach-Zehnder modulators each comprise an RF electrode section for supplying an RF voltage to the corresponding Mach-Zehnder modulator, wherein each one of the RF electrode sections is connected to at least one driver (81-84, 81a-84a, 81b-84b), wherein the RF electrode section (71, 74) of the first Mach-Zehnder modulator (21, 24) is located between the optical splitter (31, 34) and the crossing region (201a, 201b), while the RF electrode section (72, 73) of the second Mach-Zehnder modulator (22, 23) is located between the crossing region (201a, 201b) and the optical combiner (42, 43). at least one optical waveguide of the first Mach-Zehnder modulator (21, 24) crosses at least one optical waveguide of the second Mach-Zehnder modulator (22, 23), wherein each one of the Mach-Zehnder modulators comprises two optical waveguides in the form of two waveguide arms (211, 212, 221, 222, 231, 232, 241, 242) extending at least between an optical splitter and an optical combiner of the Mach-Zehnder modulators, wherein the optical splitter (31, 34) of the first Mach-Zehnder modulator (21, 24) distributes light coupled into an input waveguide (213, 243) of the first Mach-Zehnder modulator (21, 24) to the waveguide arms (211, 212, 241, 242) of the first Mach-Zehnder modulator (21, 24), while the optical combiner (41, 44) of the first Mach-Zehnder modulator (21, 24) merges the light guided in the waveguide arms (211, 212, 241, 242) of the first Mach-Zehnder modulator (21, 24) into an output waveguide (214, 244) of the first Mach-Zehnder modulator (21, 24), and the optical splitter (32, 33) of the second Mach-Zehnder modulator (22, 23) distributes light coupled into an input waveguide (223, 233) of the second Mach-Zehnder modulator (22, 23) to the waveguide arms (221, 222, 231, 232) of the second Mach-Zehnder modulator (22, 23), while the optical combiner (42, 43) of the second Mach-Zehnder modulator (22, 23) merges the light guided in the waveguide arms (221, 222, 231, 232) of the second Mach-Zehnder modulator (22, 23) into an output waveguide (224, 234) of the second Mach-Zehnder modulator (22, 23), and wherein at least one optical waveguide of one of the Mach-Zehnder modulators crosses the waveguide arms (221, 222, 231, 232) of the other Mach-Zehnder modulator in a crossing region (201a, 201b), characterized in that the Mach-Zehnder modulators each comprise an RF electrode section for supplying an RF voltage to the corresponding Mach-Zehnder modulator, wherein each one of the RF electrode sections is connected to at least one driver (81-84, 81a-84a, 81b-84b), wherein the RF electrode section (71, 74) of the first Mach-Zehnder modulator (21, 24) is located between the optical splitter (31, 34) and the crossing region (201a, 201b), while the RF electrode section (72, 73) of the second Mach-Zehnder modulator (22, 23) is located between the crossing region (201a, 201b) and the optical combiner (42, 43).