<p>➀ Photonic processors use light instead of electrons for computations, offering unparalleled speed and energy efficiency; </p><p>➁ Key advantages include parallel processing via wavelength multiplexing, scalability, and applications in AI, HPC, telecommunications, and quantum computing; </p><p>➂ Challenges remain in integration with electronics, manufacturing costs, and material limitations, but ongoing research by Intel and IBM signals promising growth.</p>