ModBox VNA
User’s Manual
Page 1: ...ModBox VNA User s Manual...
Page 2: ......
Page 3: ...Ed B 12 05 2020 1 Revision History Table for the Software product Edition Date Release Comments A 02 2020 ModBox Interface Control v1 1 Creation B 05 2020 ModBox Interface Control v1 4 Remote VNA GUI...
Page 4: ...ed warranties of merchantability and fitness for a particular purpose with respect to this product and documentation iXblue further reserves the right to revise or make changes or improvements to this...
Page 5: ...ed as covering defects malfunctions or damages caused by improper use or inadequate maintenance of the product Under no circumstances shall iXblue be due to provide repair or replacement under this wa...
Page 6: ...t control procedures from France It can be freely delivered to France or any country within EU It can be exported under iXblue s Union General Export Authorization n EU001 to the following countries s...
Page 7: ...authorities From a bona fide country the good can only be re exported under the dual use goods export control procedures set forth by the local national authorities From another country the good can...
Page 8: ...on of the ModBox and provides information about the theory of operation Part 2 Installation This part gives some recommendations about the ModBox installation It also details the procedure to install...
Page 9: ...NA User s Manual Ref Ed B 12 05 2020 7 Abbreviations and Acronyms NIR Near Infra Red MZM Mach Zehnder Modulator ATR Acceptance Test Report MMI Man Machine Interface NA Not Applicable SNR Signal to Noi...
Page 10: ...ncing to other document titles Icons The Note icon indicates that the following information is of particular interest and should be read with care Important The Important mention indicates that the fo...
Page 11: ...LATION 12 2 1 CHECKING THE MODBOX PACK CONTENTS 12 2 2 TRANSPORT 12 2 3 PANEL FEATURES 13 2 4 GENERAL RECOMMENDATIONS 15 2 5 INSTALLATION PROCEDURE 16 2 6 CONNECTING THE COMPONENTS 17 3 CONFIGURING TH...
Page 12: ...adening etc We can also work towards custom systems to exceed some clients specifications needs All modulation solutions come with the peace of mind of a bench top plug play equipment that can be remo...
Page 13: ...ides state of the art modulation performance with the peace of mind of a turn key instrument to R D and production engineers This system can be set as a reference in optical telecommunication labs or...
Page 14: ...hat none has sustained damage For that you will find in the shipping case a packing list detailing all the shipped items This packing list had been completed and checked for by iXblue shortly before s...
Page 15: ...s disables laser channel s 3 RF In RF input 2 92 mm RF connector or 1 85 mm RF connector 4 Mod Out Modulation Optical Out 5 ON OFF Button Turn ON or OFF the embedded control system and its touch scree...
Page 16: ...anel 1 Internal ground port This port connects to the internal ground 2 Mains power supply socket and general mains switch Fuse socket accepts 5 20 mm sized fuse 2A quick action 3 Fans This ensures ex...
Page 17: ...cord is essential for safe operation A dedicated ground plug is available on the rear panel In order to avoid potential injuries insert the power cable only into a socket outlet provided with a prote...
Page 18: ...d the instrument to ensure proper cooling and to avoid dust accumulation especially on the back of the system Caution Failure to ensure proper cooling may affect ModBox performances and may induce dam...
Page 19: ...ModBox system with the embedded reference photo receiver if you purchased this option Make sure that the fiber connector end facets are clean before using them with the ModBox 2 You should also prepa...
Page 20: ...ng a previous version of Windows you may need to install the NET Framework but chances are that it may already be installed on your system If it is not installed yet or if you do not know if it is run...
Page 21: ...r may attach a mouse and or a keyboard to the system for alternative browsing through the embedded control interface Note that the system was made to be controlled using exclusively the touchscreen di...
Page 22: ...presently set 4 1 Operation procedure Step Action 1 Turn on the ModBox general mains switch 10 2 The ModBox system will initialize and check critical components operation The following screen will be...
Page 23: ...n Figure 6 Main Tab Laser on Wait few seconds and the MoxBox will be ready to use 4 2 Settings description When you click on the settings gear you will be able to change some ModBox parameters Figure...
Page 24: ...10 V In automatic mode the system computes the bias voltage automatically in that case the bias value may not be manually adjusted However you can initiate a rescan the system will scan through the m...
Page 25: ...Gains Figure 10 AN MBC PD Gains tab Gain Coarse Fine Used to calibrate the feedback Adjust both to move feedback locking point to the value you want VPDL VPDM Indicate feedback state In auto mode VPD...
Page 26: ...ill scan through the modulator s bias voltage values and restart the loop control In the case you want the system to be ran automatically select AUTO for the running mode QUAD QUAD select locking poin...
Page 27: ...DC bias value over time for stability testing Figure 12 Figure 12 DG MBC DC Bias tracking 4 Go back to the previous menu and click on a wavelength Figure 13 Laser tab ON OFF Enable or disable laser ou...
Page 28: ...can change the laser wavelength up to 1nm 5 If you wish to shut down the ModBox first press the ON OFF button 5 on the left of the front panel and wait about 10 seconds before cutting power to the Mo...
Page 29: ...nu allows you to manage the remote connections You may also change some Network Settings by pressing the bottom button Figure 15 Automatic Network Settings The current IP Address is shown at the top o...
Page 30: ...it those settings as you wish If you want your changes to have any effect you must press the Apply button and restart the system Upon pressing the Apply button you will be prompted to properly reboot...
Page 31: ...ModBox VNA User s Manual Ref Ed B 12 05 2020 29 Interface This last menu allows you to recalibrate the touchscreen or upgrade ModBox software You rarely should have to use those features on your own...
Page 32: ...guration Settings gear MBC Feedback tab and set the MBC in manual mode Find the maximum light on the output modulator by changing DC bias value 3 After that go to PD Gain tab adjust PDL gain to obtain...
Page 33: ...08 745 3487 11 Erie Drive Natick MA 01760 USA yves deiss ixblue com Europe Middle East Africa Latin America EMEA LATAM 33 1 30 08 88 88 Herv Gouraud Sales and Marketing Manager Phone 33 3 81 85 31 86...
Page 34: ...evices that exhibit a sine transfer function Fig 13 Although MZMs are highly stable components their operating point suffers from slow drifts due to variations of external conditions mechanical streng...
Page 35: ...es V is the measure of the DC drift Figure 19 MZM output power vs driving voltage w and w o DC voltage The DC drift physical mechanism and its root causes are not yet very well understood But this can...
Page 36: ...ges migrate to the outermost surfaces of the crystal and between the electrodes thus leading to a charge growth across the arms of the interferometer This results on a modified electric field seen by...
