Photonics On-Fiber Modulator

External modulators based on LiNbO3 Mach-Zehnder devices and electro-absorption modulators are standard components in long-haul and local area fiber optic networks. However, the high refractive index of LiNbO3 as compared to the glass optical fiber, the processing of the crystal into a rectangular waveguide (W.G), and the difficulties of coupling between rectangular W.G and cylindrical optical fiber are critical factors in manufacturing of these types of modulators and results in a very high price.
As an alternative to the standard modulators, our on-fiber modulator is based on coating regular silica fiber core with an electro-optic material which is easy to process and which have refractive indices compatible to the glass fiber. An excellent extinction ratio is possible with this new innovative modulator, which is better than the LiNbO3 Mach-Zehnder and electro-absorption type optical modulators.

Major Features:

  • RF and Microwave Modulation up to 140Gbps
  • Low Polarization Independent
  • Elimination of insertion loss exists with all integrated optical devices
  • No coupling problems with fiber networks
  • Ease Manufacturing Process
  • Device Design Flexibility
  • Velocity Matching Due to Low Material Refractive Index
  • Low Cost