posted on 2024-11-01, 16:13authored byJochen Schroeder, owen Brasier, Jurgen Van Erps, Michael Roelens, Steve Frisken, Ben Eggleton
We demonstrate in-band OSNR monitoring using a reconfigurable wavelength-selective switch of ultrahigh bandwidth 1.28 Tbaud signals. Further experiments show the method's resilience against other impairments such as group velocity dispersion and differential group delay