Weifeng Zhang Microwave Photonic Research Lab University of Ottawa Photonic Temporal Differentiator
Outline Introduction to photonic temporal differentiator Solution in fiber grating Solution in waveguide grating Conclusion 1
Outline Introduction to photonic temporal differentiator Solution in fiber grating Solution in waveguide grating Conclusion 2
Introduction to photonic temporal differentiator What is photonic temporal differentiator? 3
Outline Introduction to photonic temporal differentiator Solution in fiber grating Solution in waveguide grating Conclusion 4
Solution in fiber grating M. Li, L. Shao, J. Albert, and J. P. Yao, "Continuously tunable photonic fractional temporal differentiator based on a tilted fiber Bragg grating," IEEE Photon. Technol. Lett., vol. 23, no. 4, pp , Feb
Outline Introduction to photonic temporal differentiator Solution in fiber grating Solution in waveguide grating Conclusion 6
Solution in waveguide grating Using Phase-shift waveguide grating. Design - Characterize: -Central wavelength:1550 nm -TE Polarization -Broadband 3-dB bandwidth - Corrugation width, duty cycle. Tunability - Temperature 7 *From Wei Shi
Outline Introduction to photonic temporal differentiator Solution in fiber grating Solution in waveguide grating Conclusion 8
Conclusion Introduction to photonic temporal differentiator Solution in fiber grating Solution in waveguide phase-shift grating 9
Thank you! 11