Short-waveband active optical component based on vertical emitting laser and multi-mode optical fiber

A short-waveband active optical component, comprising an emitting end, a receiving end, and one multi-mode optical fiber;

• the emitting end comprising multiple vertical-cavity surface-emitting lasers (VCSELs), a first focusing lens array, a first Z-block-shaped prism, and a first focusing lens that are arranged in sequence, the first Z-block-shaped prism having multiple incident faces and an exit end, the first focusing lens facing the exit end of the first Z-block-shaped prism;
• the receiving end comprising multiple photodiodes, a second focusing lens array, a second Z-block-shaped prism, and a second focusing lens that are arranged in sequence, the second Z-block-shaped prism having multiple exit faces and an incident end, the second focusing lens facing the incident end of the second Z-block-shaped prism;
• and
• a first end of the one multi-mode optical fiber facing the first focusing lens, and a second end facing the second focusing lens;
• wherein the multiple VCSELs at the emitting end are configured to emit optical signals into the first focusing lens array, the first focusing lens array being configured to focus the optical signals to the multiple incident faces of the first Z-block-shaped prism, the exit end of the first Z-block-shaped prism being configured to output the optical signals to the first focusing lens, the first focusing lens being configured to input the optical signals to the first end of the multi-mode optical fiber;
• wherein the multi-mode optical fiber is configured to transmit the optical signals to the second end so as to be output to the second focusing lens;
• wherein the second focusing lens is configured to focus the optical signals to the incident end of the second Z-block-shaped prism, the exit faces of the second Z-block-shaped prism being configured to output the optical signals to the second focusing lens array, the second focusing lens array being configured to focus the optical signals to the multiple photodiodes facing the second focusing lens array;
• wherein the multiple photodiodes at the receiving end are arranged in parallel, one end thereof having at least one feedback VCSEL configured to send a feedback signal, lenses of the second focusing lens array corresponding one-to-one correspond to the photodiodes and the at least one feedback VCSELs, the multiple exit faces of the second Z-block-shaped prism corresponding one-to-one to the photodiodes and the feedback VCSEL;
• and
• wherein the multiple VCSELs at the emitting end are arranged in parallel, one end thereof having at least one feedback photodiode configured to receive the feedback signal, lenses of the first focusing lens array corresponding one-to-one to the VCSELs and the at least one feedback photodiode at the emitting end, the multiple incident faces of the first Z-block-shaped prism corresponding one-to-one to the VCSELs and the at least one feedback photodiode at the emitting end.