added transient thermo-optic shifter example

[alec-flexcompute]

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TransientThermoOpticShifter.ipynb:

Cell 1, Line 1: 'phase-shifters'
  > # Transient heat analysis of thermo-optic phase-shifters
Cell 1, Line 3: 'phase-shifter', 'phase-shifters'
  > This example demonstrates the usage of the Tidy3D's steady and unsteady heat analyses to compare the performances of thermo-optic phase-shifters based on TiN metal and N++ doped silicon in the silicon-on-insulator (SOI) platform, based on the paper [Optimization of thermo-optic phase-shifter design and mitigation of thermal crosstalk on the SOI platform
Cell 29, Line 1: 'thermo-'
  > wg_batch = web.Batch(simulations=initial_wg_sweep, folder_name="thermo-optic_shifter")
Cell 29, Line 2: 'thermo-'
  > rib_batch = web.Batch(simulations=initial_rib_sweep, folder_name="thermo-optic_shifter")
Cell 30, Line 1: 'thermo-'
  > wg_batch_data = wg_batch.run(path_dir="thermo-optic_shifter")
Cell 30, Line 2: 'thermo-'
  > rib_batch_data = rib_batch.run(path_dir="thermo-optic_shifter")
Cell 44, Line 1: 'UnsteadyHeatAnalysis'
  > Add the UnsteadyHeatAnalysis object to the heat simulation to make it a transient heat simulation.
Cell 49, Line 1: 'ipywidget'
  > To plot the temperature distribution through time, we can add an ipywidget slider to display the temperature distribution at various times.

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Checked 1 notebook(s). Found spelling errors in 1 file(s).
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[tomflexcompute]

@alec-flexcompute the schematic image file is not uploaded so it doesn't show up in the notebook.

[FilipeFcp]

@thanks Alec. This is great. The slides showing the fields at different time steps are pretty cool. I don’t have anything to add.