Investigation of performance variations due to the amplitude of group-delay ripple in chirped fiber Bragg gratings |
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| Affiliation: | 1. Department of Physics, University of Wisconsin-Whitewater, 800 W. Main St., Whitewater, WI 53190, USA;2. Electronic Materials Research Institute and Department of Physics, Northeastern University, Boston, MA 02115, USA;1. Photonic Research Center, School of Physics & Optoelectronic Engineering, Dalian University of Technology, Dalian 116024, PR China;2. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China;1. Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China;2. Photonics & Optical Communications, School of Electrical Engineering, University of New South Wales, Sydney 2052, NSW, Australia;1. Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, Zhejiang 315 211, China;2. Faculty of Information Engineering, Ningbo Dahongying University, Ningbo, Zhejiang 315 175, China;3. Department of Electrical and Computer Engineering, Concordia University, Montreal, QC, Canada H3G 1M8;4. Institute of Ningbo Education, Ningbo, Zhejiang 315016, China;1. National Institute Laser, Plasma and Radiation Physics, Center for Advanced Laser Technologies (CETAL), 409 Atomiştilor St., Măgurele, RO-077125, Romania;2. “Horia Hulubei” National Institute for R&D in Physics and Nuclear Engineering, 30 Reactorului St., Magurele, RO-077125, Romania;3. Department of Engineering, University of Naples “Parthenope”, Centro Direzionale Isola C4, Naples, 80143, Italy;1. Institute of Physics, University of Zielona Gora, Prof. Szafrana 4a, 65-516 Zielona Gora, Poland;2. Department of Physics, Hong Duc University, 565 Quang Trung Street, Thanh Hoa City, Viet Nam;3. Department of Physics, University of Warsaw, Pasteura 7, 02-093 Warsaw, Poland;4. Glass Department, Institute of Electronic Materials Technology, Wolczynska 133, 01-919 Warsaw, Poland;5. National Institute of Telecommunications, Szachowa 1, 04-894 Warsaw, Poland |
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| Abstract: | We measure the system impacts due to the amplitude of group-delay (GD) ripple in single and cascaded chirped fiber Bragg gratings (CFBGs). Signals with smaller pulse width result in smaller performance variation at the same data rate. A 65-ps peak-to-peak GD ripple induces 0.9, 1.7, and 2.7 dB maximum penalties for 10, 20, and 40-Gb/s, respectively. We also find that cascading gratings with random ripple causes much less degradation than cascading gratings with the same ripple profile. |
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