Jeff Hiller
                                                                                                                                                    COMSOL Employee
                                                         
                            
                                                                                                                                                
                         
                                                
    
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                                                Posted:
                            
                                3 years ago                            
                            
                                29 giu 2022, 15:22 GMT-4                            
                        
                        
                                                    Hello Jayakrishnan,
There are quite a number of resources you can draw upon to learn how to use COMSOL Multiphysics regardless of your specific application.
First, of course, is the software's documentation, which you can access through the File > Help > Documentation menu. It includes both theory manuals and tutorial manuals. The tutorial models in question are also available already set up inside the software via File > Application Libraries.
The COMSOL website also offers many tutorials of a wide range of topics in the Video Gallery. You will also find longer archived webinars here.
COMSOL offers many instructor-led training courses.
Finally, I strongly recommend the Learning Center videos to get a solid foundation for your modeling with COMSOL: they cover the entire process of setting up a model from start to finish, and are a great resource for self training.
Now, regarding your specific application, this blog post seems spot on.
Best,
Jeff
    -------------------
    Jeff Hiller                                                
 
                                                
                            Hello Jayakrishnan,
There are quite a number of resources you can draw upon to learn how to use COMSOL Multiphysics regardless of your specific application.
First, of course, is the software's documentation, which you can access through the File > Help > Documentation menu. It includes both theory manuals and tutorial manuals. The tutorial models in question are also available already set up inside the software via File > Application Libraries.
The COMSOL website also offers many tutorials of a wide range of topics in the [Video Gallery](https://www.comsol.com/videos?type%5B%5D=videotype-tutorial). You will also find longer archived webinars [here](https://www.comsol.com/events/webinars/archive?eventtype%5B%5D=event_webinar&startTime=8&endTime=20&view=cards&events_sort=date).
COMSOL offers many [instructor-led training courses](https://www.comsol.com/events/training-courses).
Finally, I strongly recommend the [Learning Center](https://www.comsol.com/learning-center) videos to get a solid foundation for your modeling with COMSOL: they cover the entire process of setting up a model from start to finish, and are a great resource for self training. 
Now, regarding your specific application, [this blog post](https://www.comsol.com/blogs/calculating-the-spectral-properties-of-an-optical-ring-resonator) seems spot on. 
Best,
Jeff