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sigstoat
on Aug 29, 2018
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How to use LEDs to detect light
pretty sure the expense in BiDi transceivers (which aren’t that expensive) comes from the WDM coupler, not the receiving element.
upofadown
on Aug 29, 2018
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I think the point is that with a LED to LED system you would not need any sort of optical multiplexing.
sigstoat
on Aug 30, 2018
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i felt like returning to half-duplex communications was enough of a non-starter to discount it as a possible suggestion.
jsjohnst
on Aug 30, 2018
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There’s a limit to how many pulses you can have per second. They stack more waves to get more capacity.
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