Patent ID: 11909513
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G  H

Claim 12:
13. The ROADM according to claim 12, wherein each port comprises an input port and an output port;
each port in the port assembly being configured to transmit the input first light beam to the lens corresponding to the respective port comprises:
each input port is configured to transmit the input first light beam to the lens corresponding to the input port of the respective port; and

the dispersive assembly being further configured to multiplex the at least one modulated sub-wavelength light beam, and transmit the multiplexed light beam to the port assembly through the reflective element and the lens assembly comprises:
the dispersive assembly is further configured to multiplex the at least one modulated sub-wavelength light beam, and transmit the multiplexed light beam, through the reflective element and the lens assembly, to the output port corresponding to the input port of the respective port.