4 Questions 8 Answers 0 Followers
Questions related from Uzair Majeed
I am working on SiO2/Si3N4/SiO2 planar waveguide structure and characterized the Si3N4 (core layer, deposited at different sputtering powers)through AFM for RMS surface roughness. (in range of...
03 May 2024 1,399 0 View
As far as I know, the light propagation in planar waveguides in specific modes which is either TE or TM. For TE/TM modes excitation, the optical source must be either TE polarized or TM...
28 October 2014 2,092 8 View
We have two different sputtering targets for Si3N4 deposition in the magnetron sputtering lab. One is white and other is greyish black. Both are tagged as 99.99% purity. Can anyone please explain...
27 October 2014 3,357 9 View
Hi, I am working on a planar optical wave guide. I have a laser (He-Ne, 635 nm) and I need to excite the TE mode of a planar wave guide. How can I determine if my laser is in TE mode or TM mode? I...
23 October 2014 7,380 4 View