Reversal of Light Path: Rebirth as Photoelectric Overlord

In the last life, Lu Qingyan was a fiber optic device tester. He had talent but didn't know how to fight for it. He was marginalized in the technological wave and wasted half his life. On the day he was reborn and returned to college, he decided not to be a medium for "passive light transmission" anymore. Starting from adjusting the fiber fusion splicer, he used the erbium-doped fiber amplifier (EDFA) technology, fiber laser technology, etc. Accumulated in his previous life to gradually change the fate of "a scumbag". This time, he wants to be the one who takes the initiative to shine and recalibrate the lost light path into a glorious trajectory leading to the king.