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标题：Wavelength Tuning Free Transceiver Module in OLT Downstream Multicasting <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-0.288pt;width:24.112499px;" id="M1" height="15.9" version="1.1" viewBox="0 0 24.112499 15.9" width="24.112499"> <g transform="matrix(.022,-0,0,-.022,.062,15.488)"><path id="x1D7D2" d="M476 255v-111h-64v-144h-145v144h-248v113l313 431h80v-433h64zM60 255h208v294z"></path></g><g transform="matrix(.022,-0,0,-.022,11.271,15.488)"><path id="x1D740" d="M514 130h23q-13 -66 -46 -106t-82 -40q-69 0 -69 117q0 14 2 46l8 64l9 64l-192 -275h-112l302 435v50q0 130 -55 130q-37 0 -60 -77h-23q41 147 125 147q37 0 47 -46q8 -35 8 -100v-387q0 -50 15.5 -74t39.5 -24q16 0 32.5 20.5t27.5 55.5z"></path></g> </svg> <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-0.45pt;width:13.2875px;" id="M2" height="11.175" version="1.1" viewBox="0 0 13.2875 11.175" width="13.2875"> <g transform="matrix(.022,-0,0,-.022,.062,11.113)"><path id="xD7" d="M528 54l-36 -38l-198 201l-198 -201l-36 38l197 200l-197 201l36 38l198 -202l198 202l36 -38l-197 -201z"></path></g> </svg> <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-0.234pt;width:22.5375px;" id="M3" height="15.8375" version="1.1" viewBox="0 0 22.5375 15.8375" width="22.5375"> <g transform="matrix(.022,-0,0,-.022,.062,15.487)"><path id="x1D7CF" d="M441 24v-24h-373v24q75 2 96 20q22 19 22 85v378q0 70 -36 70q-26 0 -65 -16l-20 -8v26l251 109h18v-570q0 -57 19 -75q19 -17 88 -19z"></path></g><g transform="matrix(.022,-0,0,-.022,11.271,15.487)"><path id="x1D7CE" d="M476 337q0 -157 -63 -254q-63 -96 -162 -96t-163 96q-64 95 -64 251q0 51 7 99.5t24.5 95.5t43 81.5t65.5 56t89 21.5q75 0 127 -55q96 -97 96 -296zM318 224v225q0 111 -16 161t-53 50t-52 -48.5t-15 -162.5v-225q0 -112 16 -160.5t53 -48.5t52 47.5t15 161.5z"></path></g> </svg> Gb/s TWDM-PON System
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作者：M. S. Salleh ; A. S. M. Supa’at ; S. M. Idrus 等
期刊名称：Journal of Computer Networks and Communications
印刷版ISSN：2090-7141
电子版ISSN：2090-715X
出版年度：2014
卷号：2014
DOI：10.1155/2014/483249
出版社：Hindawi Publishing Corporation
摘要：We propose a new architecture of dynamic time-wavelength division multiplexing-passive optical network (TWDM-PON) system that employs integrated all-optical packet routing (AOPR) module using Gbps downstream signal to support 20 km fiber transmission. This module has been designed to support high speed L2 aggregation and routing in the physical layer PON system by using multicasting cross-gain modulation (XGM) to route packet from any PON port to multiple PON links. Meanwhile, the fixed wavelength optical line terminal (OLT) transmitter with wavelength tuning free features has been designed to integrate with the semiconductor optical amplifier (SOA) and passive arrayed waveguide grating (AWG). By implementing hybrid multicasting and multiplexing, the system has been able to support a PON system with full flexibility function for managing highly efficient dynamic bandwidth allocation to support the Gb/s TWDM-PON system used to connect 4 different PON links using fixed wavelength OLT transceivers with maximum 38 dB link loss.