Last Updated: August 16, 2025
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Transponder bandwidth is the product of Modulation , Baud Rate and the Polarisation.
BW=Modulation x Baud x Polarisation
Following table will give an idea for various bit rates:-


Ex:
Modulation = 2 (bits/s/Hz)
Baud Rate = 32G
Polarisation= 2
BW= 2 x 32 x 2 =128Gbps
Optical Networking Engineer & Architect • 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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