Gain: Input & output Photon relation…making it more simple.

MapYourTech March 26, 2025 No Comments Free Standards Technical

Last Updated: August 16, 2025

1 min read

What is a 30 dB gain means???

Puzzled..Earlier I use to be the same but its really simple to understand.It means:-

For every input PHOTON there will be 1000 PHOTON’s at output. That’s what Gain is..

X dB is 10^x/10

^{You can verify the same with above formula…Make things Simpler.}

Sanjay Yadav

Optical Communications & Network Automation Expert | Author of 3 Books for Optical Engineers | Founder, MapYourTech

Optical networking engineer with nearly two decades of experience across DWDM, OTN, coherent optics, submarine systems, and cloud infrastructure. Founder of MapYourTech. Read full bio →