Design of silicon optical modulator based on complete TM photonic band-gap

作者：Kliros G S^*; Fotiadis A N; Tziopis G P

来源：Optoelectronics and Advanced Materials-Rapid Communications, 2009, 3(7): 655-658.

• Optical modulator
• Photonic crystal waveguides
• Silicon photonics
• Photonic band-gap

We report on the design of a novel silicon optical modulator based on photonic crystals with complete transverse-magnetic (TM) photonic band-gap (PBG). The device operation is based on a dynamic shift of the complete PBG due to induced change in the silicon refractive index by free carrier injection. The plane-wave expansion method (PWE) and finite-difference time-domain (FDTD) simulation were utilized to design the device and investigate its light modulation performance. With small size, rapid response time and high extinction ratio, the proposed optical modulator can be easily implemented to design ultra-compact all optical integrated circuits.

• 出版日期2009-7