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A comment on Powerful and precise multi-color lasers now fit on a single chip. Parent comment

Re:Powerful and precise multi-color lasers now fit on a sing... by bartlettD on Wednesday October 29, 2025 @07:20AM (#45745340)
Likely some kind of Electro-Optic Modulator. You could use their wavelength comb to separate the light and then use a Mach–Zehnder interferometer to perform On-Off-Keying as an example
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