An electro-optic Pockels cell can show very good optical switching behavior for its very good first-order non-linear effect. The response time or the switching time of this type of cell is also very fast. When an electric field is applied to it in a proper way, then it changes the propagation of a polarized light beam passing through it, for which there is found a change in refractive index occurring in it. The change in refractive index is linearly proportional to the applied electric field. This causes a change in optical path inside the material for the propagating light signal, which results in a phase modulation of the light beam. Electro-optic crystals were seen for massive uses in phase and intensity modulation–based all-optical long-haul communication systems. In integrated optics, this effect also has strong uses for processing of optical data. In this paper, the authors propose a new scheme where a single biasing electrical field is parallelly applied in two orthogonal directions at a time on a specific light signal, instead of one biasing signal on the light beam. This parallel application of biasing signal enhances the depth of modulation.

电光普克尔斯盒因其非常好的一阶非线性效应而显示出非常好的光开关性能。这种类型的电池的响应时间或切换时间也非常快。当以适当的方式对其施加电场时，它会改变通过它的偏振光束的传播，为此会发现其中发生了折射率变化。折射率的变化与施加的电场成线性比例。这引起用于传播的光信号的材料内部的光路改变，这导致光束的相位调制。电光晶体被广泛用于基于相位和强度调制的全光长距离通信系统中。在集成光学中 这种效果在光学数据处理中也有很强的用途。在本文中，作者提出了一种新方案，其中在特定的光信号上一次在两个正交方向上并行施加单个偏置电场，而不是在光束上施加一个偏置信号。偏置信号的这种并行施加增强了调制的深度。