1、 TECHNICAL REPORT IECTR 61282-8 First edition2006-11 Fibre optic communication system design guides Part 8:Calculating dispersion penalty from measured time-resolved chirp data Reference number IEC/TR 61282-8:2006(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SU
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8、 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICAL REPORT IECTR 61282-8 First edition2006-11 Fibre optic communication system design guides Part 8:Calculating dispersion penalty from measured t
9、ime-resolved chirp data PRICE CODE IEC 2006 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnica
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11、RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TR 61282-8 IEC:2006(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Measuring dispersion penalty using a bit-error-ratio test set.7 5 Obtaining time-resolved ch
12、irp data.8 6 Calculating dispersion penalty from time-resolved chirp data.9 6.1 Calculate BER for a particular condition.9 6.2 Calculate dispersion penalty.10 6.3 Calculate transmitter and dispersion penalty.11 6.4 Calculate total transmitter power penalty.11 7 An example measurement and calculation
13、 of power penalties.11 8 A comparison of dispersion penalty measurements from BER and TRC measurements.12 Annex A(informative)Data analysis of bit error ratio versus received power in digital systems.13 Bibliography.20 Figure 1 Equipment setup for direct power penalty measurements.8 Figure 2 Typical
14、 TRC data suitable for dispersion penalty calculations.9 Figure 3 An example measurement of the three power penalties.12 Figure 4 Comparison of dispersion penalty results for measurements with a BER test set and for calculation from TRC data.12 Figure A.1 Plot of Equation(A.1)with SNR plotted linear
15、ly.14 Figure A.3 Example plot and analysis using the exact procedure.18 Figure A.4 Example plot and analysis using the log-log procedure.19 Table A.1 Values for BER versus SNR.15 Table A.2 Experimental data for exact linearization.18 Table A.3 Experimental data for log-log analysis.19 LICENSED TO ME
16、CON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TR 61282-8 IEC:2006(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIBRE OPTIC COMMUNICATION SYSTEM DESIGN GUIDES Part 8:Calculating dispersion penalty from measured time-resolved chirp data FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to
