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your link doesn't work.From wikipedia (**broken link removed**
"Wavelength-division multiplexing (WDM) is the practice of multiplying the available capacity of optical fibers through use of parallel channels, each channel on a dedicated wavelength of light. This requires a wavelength division multiplexer in the transmitting equipment and a demultiplexer (essentially a spectrometer) in the receiving equipment. Arrayed waveguide gratings are commonly used for multiplexing and demultiplexing in WDM. Using WDM technology now commercially available, the bandwidth of a fiber can be divided into as many as 160 channels[6] to support a combined bit rate in the range of terabits per second."
So, all that (10Gbps) data is not processed by one receiver.. it is split to multiple receivers.
if 10 Gbps is split into 8 channels, 8 channels for 8 bit of parallel data for parallel optical fiber which in all gives us 1 byte. then we still would need 1 Ghz of memory unit. which is very expensive and is of less capacity.
One more Question is if we are detecting light in Ghz of range, So is there transistor fast enough to switch in Ghz of range? if there are whats there name
11.3 Gbps :-O !!**broken link removed**
do you have any idea of which electrical components they use for Ghz speed range ? diode or triode
cool, they need stub matching i supposeMicrowave transistors (typically GaAs devices) can operate at GHz speeds. But it requires transmission line (micro strip) type wiring of the circuitry.
Stub matching is usually used with RF antennas and such. I don't think it's used much in microwave circuitry.cool, they need stub matching i suppose