deletions | additions       diff --git a/layout.md b/layout.md  index 814bd6a..978f4e2 100644  --- a/layout.md  +++ b/layout.md 
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figures/wg_profile_TM/wg_profile_TM.png  In_figure_ref_fig_neff_TM__.tex  figures/neff_ng_TM/neff_ng_TM.png  Finally_with_the_effective_index__.tex After_the_effective_index_information__.tex  subsection_Mach_Zehnder_interferometer_circuit__.tex  Here_I_applied_Lumerical_s__.tex  MZI_designs_MZI1_to_MZI3__.tex