Cluster light source and method for generating cluster light source

A multi-wavelength cluster light source comprising:

• a first light source, an optical amplifier array, an optical multiplexer, a first optical splitter, and an optical switch array, wherein
• the first light source is used to output a plurality of first single-wavelength continuous-wave light in parallel, and
• wherein wavelengths of the plurality of first single-wavelength continuous-wave light are different;
• the optical amplifier array is used to amplify the plurality of first single-wavelength continuous-wave light;
• the optical multiplexer is configured to combine the plurality of amplified first single-wavelength continuous-wave light into one first multi-wavelength continuous-wave light;
• the first optical splitter is configured to perform power beam splitting on the first multi-wavelength continuous-wave light, to output a plurality of second multi-wavelength continuous-wave light;
• and
• the optical switch array is used to receive the plurality of first single-wavelength continuous-wave light and a plurality of third single-wavelength continuous-wave light output by a second light source,
• wherein wavelengths of the plurality of third single-wavelength continuous-wave light are in a one-to-one correspondence with the wavelengths of the plurality of first single-wavelength continuous-wave light,
• wherein a quantity of optical switches comprised in the optical switch array is equal to a quantity of the plurality of first single-wavelength continuous-wave light, and
• wherein each optical switch of the optical switch array is used to select any one of two single-wavelength continuous-wave light having a same wavelength in the plurality of first single-wavelength continuous-wave light or in the plurality of third single-wavelength continuous-wave light, to input the selected single-wavelength continuous-wave light into the optical amplifier array;
• and
• wherein in amplifying the plurality of first single-wavelength continuous-wave light, the optical amplifier array is further used for a plurality of single-wavelength continuous-wave light selected and output by the optical switch.

A communication device comprising a multi-wavelength cluster light source, a modulator, and an electronic chip, wherein:

• the multi-wavelength cluster light source comprises a first light source, an optical multiplexer, a first optical splitter, an optical amplifier array, and an optical switch array, wherein
• the first light source is used to output a plurality of single-wavelength continuous-wave light in parallel, and wavelengths of the plurality of single-wavelength continuous-wave light are different;
• the optical multiplexer is configured to combine the plurality of single-wavelength continuous-wave light into one first multi-wavelength continuous-wave light;
• the first optical splitter is configured to perform power beam splitting on the first multi-wavelength continuous-wave light, to output a plurality of second multi-wavelength continuous-wave light;
• the optical amplifier array is used to amplify the plurality of second multi-wavelength continuous-wave light, to output a plurality of third multi-wavelength continuous-wave light;
• the multi-wavelength continuous-wave light output by the multi-wavelength cluster light source is used to be input to the modulator, the electronic chip outputs a service signal to the modulator, and the modulator is configured to modulate the service signal to the multi-wavelength continuous-wave light;
• and
• wherein the optical switch array is used to receive the plurality of first single-wavelength continuous-wave light and a plurality of third single-wavelength continuous-wave light output by a second light source,
• wherein wavelengths of the plurality of third single-wavelength continuous-wave light are in a one-to-one correspondence with the wavelengths of the plurality of first single-wavelength continuous-wave light,
• wherein a quantity of optical switches comprised in the optical switch array is equal to a quantity of the plurality of first single-wavelength continuous-wave light and
• wherein each optical switch of the optical switch array is used to select any one of two single-wavelength continuous-wave light having a same wavelength in the plurality of first single-wavelength continuous-wave light or in the plurality of third single-wavelength continuous-wave light, to input the selected single-wavelength continuous-wave light into the optical amplifier array;
• and
• wherein in amplifying the plurality of first single-wavelength continuous-wave light, the optical amplifier array is further used for a plurality of single-wavelength continuous-wave light selected and output by the optical switch.