➀ Broadcom showcased an AI compute ASIC with optical attach at Hot Chips 2024, highlighting its use of co-packaged optics and silicon photonics. ➁ The company discussed the challenges of electrical I/O reach through PCB and the benefits of using silicon photonics for optical modules. ➂ Broadcom's Tomahawk 5 Bailly, a 51.2T Ethernet switch, demonstrates the integration of co-packaged optics and improved packaging techniques.