Institute of Telecommunications, Optical and Quantum Communications Group, Universitat Politècnica de València, Camino de Vera s/n, 46022 València, Spain.
Opt Lett. 2012 Jun 15;37(12):2379-81. doi: 10.1364/OL.37.002379.
A novel ultracompact electro-optic phase modulator based on a single 9 μm-diameter III-V microdisk resonator heterogeneously integrated on and coupled to a nanophotonic waveguide is presented. Modulation is enabled by effective index modification through carrier injection. Proof-of-concept implementation involving binary phase shift keying modulation format is assembled. A power imbalance of ∼0.6 dB between both symbols and a modulation rate up to 1.8 Gbps are demonstrated without using any special driving technique.
提出了一种基于 III-V 微盘谐振器的新型超紧凑电光相移器，该微盘直径为 9μm，通过载流子注入实现有效折射率变化，从而实现相移。该器件与纳米光子波导异质集成并耦合。通过实验演示了基于二进制相移键控调制格式的概念验证装置，在不使用任何特殊驱动技术的情况下，实现了两个符号之间的功率不平衡度约为 0.6 dB，调制速率高达 1.8 Gbps。
