CPC G02F 1/2257 (2013.01) [G02F 1/212 (2021.01); G02F 1/2255 (2013.01)] | 20 Claims |
1. An optical modulator comprising:
a Mach-Zehnder interferometer comprising (i) a first optical waveguide comprising a first semiconductor junction diode, and (ii) a second optical waveguide comprising a second semiconductor junction diode; and
a semiconductor region between the first semiconductor junction diode and the second semiconductor junction diode; and
a high-impedance direct current (DC) bias that is connected between the first semiconductor junction diode and the second semiconductor junction diode,
wherein the high-impedance DC bias is connected with an impedance that is greater than 100 ohms.
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