


{"id":365737,"date":"2024-05-06T18:47:22","date_gmt":"2024-05-06T18:47:22","guid":{"rendered":"\/forum\/forums\/topic\/lumerical-version-change-results-in-output-discrepancy-2\/"},"modified":"2024-05-06T18:47:22","modified_gmt":"2024-05-06T18:47:22","slug":"lumerical-version-change-results-in-output-discrepancy-2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/lumerical-version-change-results-in-output-discrepancy-2\/","title":{"rendered":"Lumerical version change results in output discrepancy"},"content":{"rendered":"<p style=\"margin: 0in;font-style: normal;font-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;text-decoration: none;font-family: Aptos, sans-serif;font-size: 11pt\">In 2021, we ran the simulations using Lumerical version 2021 on Windows and stored the results in the &#8216;Version 2021&#8217; folder. This folder includes a Matlab code for data processing (please update the file path before running).<\/p>\n<p style=\"margin: 0in;font-style: normal;font-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;text-decoration: none;font-family: Aptos, sans-serif;font-size: 11pt\">&nbsp;<\/p>\n<p style=\"margin: 0in;font-style: normal;font-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;text-decoration: none;font-family: Aptos, sans-serif;font-size: 11pt\">Recently, we conducted the simulations using Lumerical version 2024 R1.2 and saved the results in the &#8216;Version 2024 R1.2&#8217; folder. We observed an unexpected discrepancy in the results, specifically a sudden shift in the range L=1.6~1.8um in the Slot_Phase (derived from the angle of S in the Slot_Sweep.fsp sweep) and notable differences in Slot_dPhase1_cor (Lines 7 and 8) in RefractiveIndex_Slot.m.<\/p>\n<p style=\"margin: 0in;font-style: normal;font-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;text-decoration: none;font-family: Aptos, sans-serif;font-size: 11pt\">&nbsp;<\/p>\n<p style=\"margin: 0in;font-style: normal;font-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;text-decoration: none;font-family: Aptos, sans-serif;font-size: 11pt\">We also ran the simulations using version 2023 on Linux and encountered the same issue with this jump.<\/p>\n<p style=\"margin: 0in;font-style: normal;font-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;text-decoration: none;font-family: Aptos, sans-serif;font-size: 11pt\">&nbsp;<\/p>\n<p style=\"margin: 0in;font-style: normal;font-weight: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;text-decoration: none;font-family: Aptos, sans-serif;font-size: 11pt\">All affected simulation points were completed 100% shown in the attached screenshot. Could this issue be related to changes in the initial E field during the sweep or other modifications in hidden parameters between the versions?<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/06-05-2024-1715021237-lumerical-image001.jpg\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-365737","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"In 2021, we ran the simulations using Lumerical version 2021 on Windows and stored the results in the &#039;Version 2021&#039; folder. This folder includes a Matlab code for data processing (please update the file path before running). 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