This document specifies measurement methods of a half-wavelength voltage and a chirp parameter applicable to MZMs in microwave and millimeter-wave RoF systems. In addition, these methods are also effective for the estimation of the intermodulation distortions and transmission performances. The methods apply for the following:<\/p>\n
frequency range: 5 GHz to 110 GHz;<\/p>\n<\/li>\n
wavelength band: 0,8 \u03bcm to 2,0 \u03bcm;<\/p>\n<\/li>\n
electro-optic material based MZMs and their modules.<\/p>\n<\/li>\n<\/ul>\n
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| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Table 1 \u2013 Patents present in this document <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 1 Scope 2 Normative references 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | Figures Figure 1 \u2013 Transfer curve of a Mach-Zehnder optical modulator <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 3.2 Abbreviated terms 4 Electro-optic material-based Mach-Zehnder optical modulators 4.1 Mach-Zehnder optical modulators 4.1.1 Component parts 4.1.2 Structure Figure 2 \u2013 Optical phase retardations <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 4.2 Requirements for MZMs 4.2.1 General 4.2.2 Substrate material 4.2.3 Optical waveguide design 5 Sampling for quality control 5.1 Sampling 5.2 Sampling frequency 6 Measurement method of a half wavelength voltage 6.1 Circuit diagram <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 6.2 Measurement conditions 6.2.1 Temperature and environment 6.2.2 Warming-up of measurement equipment Figure 3 \u2013 Circuit diagram <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 6.3 Principle of measurement method 6.3.1 General 6.3.2 Mathematical expressions of basic measurement principle <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 6.3.3 Principle of half-wavelength voltage and chirp parameter with fixed DC-bias condition (method A) 6.3.4 Principle of half-wavelength voltage and chirp parameter using DC-bias sweep (method B) <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 6.3.5 Principle of half-wavelength voltage and chirp parameter using minimum transmission bias and maximum transmission bias (method C) 6.4 Measurement procedure 6.4.1 Method A <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 6.4.2 Method B 6.4.3 Method C <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Annex A (informative) Measurement methods for parallel integrated Mach-Zehnder modulators A.1 General A.2 Examples A.2.1 Quad parallel Mach-Zehnder modulators <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Figure A.1 \u2013 Optical sideband generation from a sub-MZM element in a parallel MZM Figure A.2 \u2013 Halfwave voltages of sub-MZMs of a quad parallel MZM <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | A.2.2 Dual parallel Mach-Zehnder modulators with four RF electrodes Figure A.3 \u2013 Chirp parameters of sub-MZMs of a quad parallel MZM Figure A.4 \u2013 Structure of dual parallel Mach-Zehnder modulators with four RF electrodes <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Measurement methods of a half-wavelength voltage and a chirp parameter for Mach-Zehnder optical modulators in high-frequency radio on fibre (RoF) systems<\/b><\/p>\n |