Can I use fiber optic internet without a router

Fiber optic internet requires an ONT to convert light signals, but a router is only needed to share the connection across multiple devices; direct access without a router is possible for a single device.How Fiber Internet WorksFiber optic internet transmits data as light pulses through glass or plastic fibers, unlike DSL or cable which use electrical signals. Because of this, a traditional modem is unnecessary. Instead, an Optical Network Terminal (ONT) is installed by your ISP to convert the incoming light signals into digital Ethernet signals that devices can use . The ONT also handles authentication and security protocols with the ISP .Access Without a RouterTechnically, you can connect a single device directly to the ONT using an Ethernet cable. This setup allows that device to access the internet without a separate router. However, this approach has limitations:Only one device can connect at a time.You won't have Wi-Fi, so wireless devices cannot access the network.You lose network management features such as firewalls, parental controls, and device prioritization .Alternatives and Integrated DevicesSome ISPs provide all-in-one ONT/router units, which combine the ONT and router functions. These devices simplify setup and allow multiple wired and wireless devices to connect without needing separate equipment . If your goal is to avoid a traditional router but still support multiple devices, an integrated ONT/router is the most practical solution.SummaryONT is mandatory for fiber internet to convert light signals into usable digital data.Router is optional if you only need internet for a single wired device.For multiple devices or Wi-Fi access, a router or integrated ONT/router is required.Direct connection without a router is feasible but limited in functionality and convenience .