Chang, You Min Jeong, Woo Jin Lee, Kwanil Lee, Ju Han 2024-01-20T17:33:19Z 2024-01-20T17:33:19Z 2021-09-02 2011-02-15 0030-4018 https://pubs.kist.re.kr/handle/201004/130636 We investigated the performance limitation of a frequency-tunable photonic microwave notch filter incorporating a chirped fiber Bragg grating (FBG) as a group delay line In particular we carried out theoretical and experimental studies to analyze the impact of the reflectivity ripple (RR) and group delay ripple (GDR) in the chirped FBG on the output notch performance The results of experimental and theoretical analyses performed on a photonic microwave notch filter in which an S-bending based linearly chirped FBG was incorporated revealed that the notch depth and notch frequency were significantly affected by imperfections in the chirped FBG The notch depth was found to be decreased by the RRs whereas significant fluctuations in the notch frequency were caused by the GDRs On the basis of the obtained results we conclude that the RR and the GDR are the fundamental factors that degrade the performance of chirped FBG-based photonic microwave filters (C) 2010 Elsevier BV All rights reserved English ELSEVIER SCIENCE BV DISPERSION COMPENSATION SIGNALS IMPACT Performance limitation of chirped-fiber-Bragg-grating-based photonic microwave notch filter due to group delay and reflectivity ripples Article 10.1016/j.optcom.2010.10.018 1 OPTICS COMMUNICATIONS, v.284, no.4, pp.952 - 956 OPTICS COMMUNICATIONS 284 4 952 956 scie scopus 000285861000009 2-s2.0-78649748230 Optics Optics Article DISPERSION COMPENSATION SIGNALS IMPACT Photonic microwave filter Tunable notch filter Chirped fiber Bragg grating