Optical switch and optical performance monitoring method based on optical switch
L Wang, Y Meng, J Tang - US Patent 11,962,352, 2024 - Google Patents
Embodiments of this application disclose an optical switch. The optical switch includes at
least one first port, at least one second port, a first wavelength division multiplexing WDM …
least one first port, at least one second port, a first wavelength division multiplexing WDM …