Energy Conservation in Optical Fibers With Distributed Brick-Walls Filters
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 frequenci...
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| Veröffentlicht in: | Journal of lightwave technology 2018-05, Vol.36 (9), p.1626-1633 |
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| container_title | Journal of lightwave technology |
| container_volume | 36 |
| creator | Garcia, Javier Ghozlan, Hassan Kramer, Gerhard |
| description | 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. |
| doi_str_mv | 10.1109/JLT.2017.2785316 |
| format | Article |
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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. 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The maximum spectral efficiency of such a system is derived, and a constructive rule for achieving it using Sidon sequences is provided.</description><subject>Attenuation</subject><subject>Band-pass filters</subject><subject>Bandlimited communication</subject><subject>Bandpass filters</subject><subject>Energy conservation</subject><subject>Fiber optics</subject><subject>Fourier transforms</subject><subject>Frequency-domain analysis</subject><subject>Mathematical model</subject><subject>optical coupling</subject><subject>Optical fibers</subject><subject>optical Kerr effect</subject><subject>Time-domain analysis</subject><subject>Variation</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kD1PwzAURS0EEuVjR2KJxJzybMdxMkJpgapSl0odrdh-AZeQFNtF6r_HVSumt5x7n-4h5I7CmFKoH-eL1ZgBlWMmK8FpeUZGVIgqZ4zyczICyXleSVZckqsQNgC0KCo5IvNpj_5jn02GPqD_baIb-sz12XIbnWm6bOY0-pCtXfzMXlyI3uldRJs9e2e-8nXTdSExXUzQDblomy7g7elek9Vsupq85Yvl6_vkaZEbVtOYYw2cNrJttebGGsqkNWjR1lA0pWWiqMBKjYXRBgUw2kJpQKctEiwH4Nfk4Vi79cPPDkNUm2Hn-_RRpf3A61pWNFFwpIwfQvDYqq13343fKwrqIEwlYYeAVCdhKXJ_jDhE_McrxkopBP8DW8Fm3g</recordid><startdate>20180501</startdate><enddate>20180501</enddate><creator>Garcia, Javier</creator><creator>Ghozlan, Hassan</creator><creator>Kramer, Gerhard</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| issn | 0733-8724 1558-2213 |
| language | eng |
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| source | IEEE Electronic Library Online |
| subjects | Attenuation Band-pass filters Bandlimited communication Bandpass filters Energy conservation Fiber optics Fourier transforms Frequency-domain analysis Mathematical model optical coupling Optical fibers optical Kerr effect Time-domain analysis Variation |
| title | Energy Conservation in Optical Fibers With Distributed Brick-Walls Filters |
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