--- Quote Start ---
I found this information:
http://www.altera.com/corporate/about_us/history/optical/abt-optical-interconnects.html and that isn't just now published.
--- Quote End ---
Right. This is marketing hype. These parts do not exist yet. And even when they do, they are not "Optical FPGAs", they are silicon devices with electrical-to-optical converters integrated in the same package as the FPGA.
--- Quote Start ---
Right now I am just doing a research on FPGA optical interface options.
But did I get it right, the optical FPGA (not produced yet) idea was that it is just an outside package and the core could be any kind of FPGA series?
--- Quote End ---
There are many types of optical interfaces, eg., an IR remote control is optical, and that can be created with any FPGA.
If you are specifically interested in high-speed optical interfaces, i.e., 10Gbps/40Gbps/100Gbps operating with lane rates of at least 10Gbps, then the "standard" interfaces and FPGAs that support those interfaces are as I have mentioned above. The recently announced Stratix/Arria/Cyclone 10 series devices will have some devices that also support these interfaces.
Cheers,
Dave