2017/07/31 by Javier Garcia, Francisco Javier García Gómez, Hassan Ghozlan +1
Computer Science · Engineering · Mathematics · Physics and Astronomy · #Advanced Fiber Laser Technologies #Advanced Photonic Communication Systems #Attenuation #Brick #Channel (broadcasting) #Computer science #Conservation of energy #Constructive #Coupling (piping) #Electrical engineering #Energy (signal processing) #Energy conservation #Engineering #Optical Network Technologies #Optics #Physics #Quantum mechanics #Telecommunications #acm:94A15 #cs.IT #math.IT #msc:94A15
paper · pdf · doi:10.1109/jlt.2017.2785316
published as Journal of Lightwave Technology, Vol. 36, No. 9, May 1, 2018 · 7 pages, accepted by IEEE Journal of Lightwave technology
openalex publication_date 2017/12/21 · arxiv created 2017/12/29 · openalex created_date 2018/01/05 · arxiv updated 2018/03/01 · openalex updated_date 2026/08/05
A bandpass filtering scheme is proposed to mitigate spectral broadening and channel coupling in the nonlinear Schrödinger (NLS) fiber optic channel. The scheme is modeled by modifying the NLS equation to include an attenuation profile with multiple brick-wall filters centered at different frequencies. It is shown that this brick-walls profile conserves the total in-band energy of the launch signal. Furthermore, energy fluctuations between the filtered channels are characterized, and conditions on the channel spacings are derived that ensure energy conservation in each channel. The maximum spectral efficiency of such a system is derived, and a constructive rule for achieving it using Sidon sequences is provided.