Sahil Sakpal

4 Questions 6 Answers 0 Followers

Questions related from Sahil Sakpal

Orthogonal modes from incoherent sources?

I generate orthogonal spatial modes like Hermite-Gaussian or Laguerre-gaussian from two different laser sources. Thus coming from incoherent sources will they not be orthogonal? Or in other words...

14 April 2017 4,571 2 View

Difference between TE-TM modes and horizontal-vertical polarization?

In a waveguide or a fiber are TE-TM modes same as horizontal and vertical polarization? When are they same when are they different?

02 April 2017 400 14 View

Fiber coupling: lens required for coupling light into fiber at 980 and 633? focal length required @ 633 would be larger/smaller than 980nm?

The focal length of the lens required to couple light into a common fiber (want same gaussian spot size) at 633nm is larger or smaller than the one required at 980nm?

09 February 2017 482 5 View

In optical SDM it is always said that the mode crosstalk should be less than -20dB? Is there a way to calculate expected BER of such a system?

Bit Error Ratio (BER) is an important factor when it comes to setting up a communication link whether it be optical or wireless. I would like to know if there is a way to calculate it in a...

12 September 2016 826 3 View