Last Updated: August 16, 2025
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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 10x/10
You can verify the same with above formula…Make things Simpler.
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 →
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