[IEEE 2019 IEEE Avionics and Vehicle Fiber-Optics and Photonics Conference (AVFOP) - Arlington, VA, USA (2019.11.5-2019.11.6)] 2019 IEEE Avionics and Vehicle Fiber-Optics and Photonics Conference (AVFOP) - Barium Titanate Electro-Optic Modulators

摘要： Barium titanate is a highly desired material for the development of advanced linear phase modulators due to its exceptional electro-optic coefficient, r51, that is over 20 times larger than the largest used in lithium niobate, r33. While the large r51 value in barium titanate has been reported, its utilization in modulators has been limited due to the difficulty in aligning the optical polarization with the crystal axes to maximize the electro-optic effect. Here we discuss the use of off-diagonal electro-optic tensor elements in thin film barium titanate modulators, present recent results, and go into further detail about the challenges and opportunities of using r51 in modulators.