We have investigated crosstalk among VCSELs in a VCSEL PIE array at high frequency. In the array, the adjacent VCSELs showed the largest crosstalk, which was less than -40 dB up to 3.0 GHz when both VCSELs were biased at 5.0 mA. This result shows that the VCSEL PIE array can be a real solution to increase data capacity in short-haul data communications. Increasing bias current of both input-side and output-side VCSELs results in further reduction of crosstalk.
Crosstalk of flip-chipped VCSEL PIE array
01.01.1999
211459 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Crosstalk of Flip-Chipped VCSEL PIE Array
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