40-Gb/s Upstream Transmitters Using Directly Modulated 1.55-mu m VCSEL Array for High-Split-Ratio PONs
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AbstractWe propose and demonstrate a 40-Gb/s symmetric passive optical network with a high split-ratio of 64. The upstream 4 x 10 Gb/s signal is produced by using a directly modulated, uncooled 1.55 mu m monolithic integrated vertical-cavity surface-emitting laser array. The downstream signal is a single-channel 40-Gb/s dark-return-to-zero (DRZ) data, broadcasting information to different optical networking units (ONUs). As the ONU is cost-sensitive, we also demonstrate, by means of simulations, using a 12-Gb/s receiver at the ONU to receive the 40-Gb/s DRZ downstream signal.
All Author(s) ListChow CW, Xu L, Yeh CH, Tsang HK, Hofmann W, Amann MC
Journal nameIEEE Photonics Technology Letters
Volume Number22
Issue Number5
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages347 - 349
LanguagesEnglish-United Kingdom
KeywordsFiber-to-the-home (FTTH); passive optical network (PON); vertical-cavity surface-emitting laser (VCSEL)
Web of Science Subject CategoriesEngineering; Engineering, Electrical & Electronic; ENGINEERING, ELECTRICAL & ELECTRONIC; Optics; OPTICS; Physics; Physics, Applied; PHYSICS, APPLIED

Last updated on 2021-22-09 at 23:51