Measurement of ultrashort optical pulses via time lens imaging in CMOS compatible waveguides
classification
⚛️ physics.optics
keywords
cmoscompatiblemeasurementsopticalpulsestimeachievearound
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We demonstrate temporal measurements of subpicosecond optical pulses via time-to-frequency conversion in a 45cm long CMOS compatible high index glass spiral waveguide. The measurements are based on efficient four wave mixing in the C-band, using around 1W of peak pump power. We achieve a resolution of 400fs over a time window of 100ps, representing a time-bandwidth product > 250.
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