3 ms·
> Why is the headline misleading? for reference, the headline is currently "Record-breaking chip can transmit entire internet's traffic per second." The "chip"
by jpmattia 4y ago
> Why is the headline misleading? for reference, the headline is currently "Record-breaking chip can transmit entire internet's traffic per second."
The "chip" is a CW laser, so it transmits no data.
It's a little hard to tell from the article + PR, but I think the result is a laser with a stabilized frequency-comb output suitable for WDM that has been implemented on a single die (which is still a nice result.)
Perhaps I missed that they implemented an entire transmitter chain on the "chip", but I believe the chip innovation is the continuous photon source, not the data transmission.
- henrikeh 4y agoThe chip which produced the laser is indeed “just” CW with data modulated on separately. And novelty indeed lies in the width of the comb source and the SNRs of the obtained channels. (Worked on this project.)
- jpmattia 4y agoCongrats to you and team on these results. > And novelty indeed lies in the width of the comb source and the SNRs of the obtained channels. Can you expand on this? I'd be curious how it compares to a traditional (multi-laser) WDM system, probably others would be too.
- henrikeh 4y agoThanks! I’ve reached out to my colleague who worked on the chip side of this project.
- Caspy7 4y agoOk, so this is one step in such hyper-fast data transmission. What would be the other hurdles?