CPC G02F 1/025 (2013.01) [G02F 1/0157 (2021.01); G02F 2201/063 (2013.01); G02F 2203/21 (2013.01)] | 21 Claims |
1. An optoelectronic device, including:
a rib waveguide, the rib waveguide including:
a ridge portion, which includes a temperature-sensitive optically active region, and
a slab portion, positioned adjacent to the ridge portion;
wherein the optoelectronic device further comprises:
a heater, for heating the temperature-sensitive optically active region;
a bottom cladding layer, disposed adjacent to the slab portion; and
a thermal isolation cavity, located on an opposing side of the bottom cladding layer to the slab portion, and
wherein a part of the heater closest to the ridge portion is at least 2 μm away from the ridge portion.
|