Yuchen Song

2 Questions 1 Answers 0 Followers

Questions related from Yuchen Song

Where is the active point of VCSEL?

I am now working on the coupling between vertical-cavity surface-emission laser(VCSEL) and waveguide. However, the window design for laser emission is larger than the waist of Gaussian beam...

28 January 2021 8,480 1 View

Where does the energy go for electromagnectic wave below cutoff frequency in a metal waveguide?

For a rectangular waveguide, there is a cutoff frequency, which is the lowest frequency allowing an electromagnetic wave to travel. For analytical solutions, the propagation constant for an...

01 May 2020 578 24 View