DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Hoon | ko |
dc.date.accessioned | 2015-11-20T12:49:31Z | - |
dc.date.available | 2015-11-20T12:49:31Z | - |
dc.date.created | 2014-05-23 | - |
dc.date.created | 2014-05-23 | - |
dc.date.issued | 2010-08 | - |
dc.identifier.citation | IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, v.28, no.6, pp.936 - 942 | - |
dc.identifier.issn | 0733-8716 | - |
dc.identifier.uri | http://hdl.handle.net/10203/201718 | - |
dc.description.abstract | Thanks to colorless operation and cost-effectiveness, an incoherent-light-injected Fabry-Perot laser diode (FP-LD) is considered as a promising optical transmitter for wavelength-division-multiplexed (WDM) passive optical networks (PONs). However, the wide spectral linewidth of the transmitter output, which comes from wide linewidth of injected seed light to offer a sufficient signal-to-noise ratio and colorless operation, makes the transmitter output vulnerable to fiber dispersion. Hence, we propose and demonstrate a return-to-zero (RZ) transmitter based on incoherent-light-injected FP-LDs which offers the improved tolerance to fiber dispersion for wide-linewidth transmitter output. For incoherent light, RZ signals have the same spectral linewidth as non-return-to-zero (NRZ) signals but they have wider timing margin between adjacent bits, and thus offer better dispersion tolerance than NRZ. For the generation of RZ signals in cost-sensitive WDM-PON systems based on incoherent-light-injected FP-LDs, we simply add electrical NRZ signals to a clock signal and then apply them to the FP-LD for direct modulation. The nonlinear light-output versus current (LI) curve of the FP-LD converts the applied electrical signals into optical RZ signals. Our experimental demonstration for 1.25-Gb/s upstream transmission shows similar to 50% improvement of dispersion tolerance compared to NRZ signals. The back-to-back receiver sensitivity is also improved by 1.4 dB by using the proposed transmitter. Thus, we successfully transmit 1.25-Gb/s RZ signals over 45-km standard single-mode fiber without dispersion compensation. This is achieved at a low signal-to-Rayleigh-crosstalk ratio of 13.8 dB, thanks to the incoherence and wide spectral linewidth of the output light. | - |
dc.language | English | - |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | - |
dc.subject | NOISE SUPPRESSION | - |
dc.subject | FIBER | - |
dc.subject | ASE | - |
dc.subject | CROSSTALK | - |
dc.subject | NETWORKS | - |
dc.subject | SYSTEMS | - |
dc.subject | SOA | - |
dc.title | Return-to-Zero Transmitter for WDM-PONs Using Incoherent-Light-Injected Fabry-Perot Laser Diodes | - |
dc.type | Article | - |
dc.identifier.wosid | 000283383600017 | - |
dc.identifier.scopusid | 2-s2.0-84860433225 | - |
dc.type.rims | ART | - |
dc.citation.volume | 28 | - |
dc.citation.issue | 6 | - |
dc.citation.beginningpage | 936 | - |
dc.citation.endingpage | 942 | - |
dc.citation.publicationname | IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | - |
dc.identifier.doi | 10.1109/JSAC.2010.100817 | - |
dc.contributor.localauthor | Kim, Hoon | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Wavelength-division multiplexing (WDM) | - |
dc.subject.keywordAuthor | passive optical network (PON) | - |
dc.subject.keywordAuthor | modulation format | - |
dc.subject.keywordAuthor | incoherent light | - |
dc.subject.keywordAuthor | Fabry-Perot laser diode | - |
dc.subject.keywordAuthor | return-to-zero (RZ) | - |
dc.subject.keywordPlus | NOISE SUPPRESSION | - |
dc.subject.keywordPlus | FIBER | - |
dc.subject.keywordPlus | ASE | - |
dc.subject.keywordPlus | CROSSTALK | - |
dc.subject.keywordPlus | NETWORKS | - |
dc.subject.keywordPlus | SYSTEMS | - |
dc.subject.keywordPlus | SOA | - |
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