Digital upstream crosstalk cancellation for future (T)WDM-PON systems
We experimentally demonstrate a multiple-input multiple-output (MIMO) scheme for compensating upstream crosstalk in (T)WDM passive optical network (PON) systems in the electrical domain. The scheme relaxes the optical receiver filter isolation requirements by up to 9 dB, and thus enables narrower ch...
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| Veröffentlicht in: | Journal of optical communications and networking 2019-06, Vol.11 (6), p.260-266 |
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| container_end_page | 266 |
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| container_issue | 6 |
| container_start_page | 260 |
| container_title | Journal of optical communications and networking |
| container_volume | 11 |
| creator | Lefevre, Yannick Borkowski, Robert Maes, Jochen Pfeiffer, Thomas |
| description | We experimentally demonstrate a multiple-input multiple-output (MIMO) scheme for compensating upstream crosstalk in (T)WDM passive optical network (PON) systems in the electrical domain. The scheme relaxes the optical receiver filter isolation requirements by up to 9 dB, and thus enables narrower channel spacings. We show experimentally that in the case of no or low oversampling of 1 or 2 samples per symbol (Sps), the MIMO scheme can only be applied if all channels are fully symbol aligned, whereas by oversampling at 3 Sps or higher, operation is possible without symbol alignment. |
| doi_str_mv | 10.1364/JOCN.11.000260 |
| format | Article |
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We show experimentally that in the case of no or low oversampling of 1 or 2 samples per symbol (Sps), the MIMO scheme can only be applied if all channels are fully symbol aligned, whereas by oversampling at 3 Sps or higher, operation is possible without symbol alignment.</description><identifier>ISSN: 1943-0620</identifier><identifier>EISSN: 1943-0639</identifier><identifier>DOI: 10.1364/JOCN.11.000260</identifier><identifier>CODEN: JOCNBB</identifier><language>eng</language><publisher>Piscataway: Optica Publishing Group</publisher><subject>Computer networks ; Crosstalk ; Fiber optics communications ; Fiber optics links and subsystems ; Optical communication ; Optical crosstalk ; Optical fibers ; Optical filters ; Optical network units ; Optical receivers ; Oversampling ; Upstream ; Wavelength division multiplexing</subject><ispartof>Journal of optical communications and networking, 2019-06, Vol.11 (6), p.260-266</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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We show experimentally that in the case of no or low oversampling of 1 or 2 samples per symbol (Sps), the MIMO scheme can only be applied if all channels are fully symbol aligned, whereas by oversampling at 3 Sps or higher, operation is possible without symbol alignment.</description><subject>Computer networks</subject><subject>Crosstalk</subject><subject>Fiber optics communications</subject><subject>Fiber optics links and subsystems</subject><subject>Optical communication</subject><subject>Optical crosstalk</subject><subject>Optical fibers</subject><subject>Optical filters</subject><subject>Optical network units</subject><subject>Optical receivers</subject><subject>Oversampling</subject><subject>Upstream</subject><subject>Wavelength division multiplexing</subject><issn>1943-0620</issn><issn>1943-0639</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kL1PwzAQxS0EEqWwsrBYYqFDgj-TeERt-VJpGYoYLcc9o5S0KbYz9L8nJajTO9393p3uIXRNSUp5Ju5fF-N5SmlKCGEZOUEDqgRPSMbV6bFm5BxdhLAmJMsplQM0nVRfVTQ1bnchejAbbH0TQtf5xtZsLdS1iVWzxa7x2LWx9YDvlqPPyVvyvpjjsA8RNuESnTlTB7j61yH6eJwux8_JbPH0Mn6YJZYJFhNT0k6lcgBqJXIu89IyUNRxUSorHScMSleCFYK4whTdTJKVcJYpC0IqPkS3_d6db35aCFGvm9Zvu5OaMa6yPJNF0VFpT_294sHpna82xu81JfoQlT5EpSnVfVSd4aY3VABwhIucC5Er_gvF02RA</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Lefevre, Yannick</creator><creator>Borkowski, Robert</creator><creator>Maes, Jochen</creator><creator>Pfeiffer, Thomas</creator><general>Optica Publishing Group</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | Journal of optical communications and networking, 2019-06, Vol.11 (6), p.260-266 |
| issn | 1943-0620 1943-0639 |
| language | eng |
| recordid | cdi_ieee_primary_8734479 |
| source | IEEE Electronic Library (IEL) |
| subjects | Computer networks Crosstalk Fiber optics communications Fiber optics links and subsystems Optical communication Optical crosstalk Optical fibers Optical filters Optical network units Optical receivers Oversampling Upstream Wavelength division multiplexing |
| title | Digital upstream crosstalk cancellation for future (T)WDM-PON systems |
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