Interferometric hetero-detector phase measurement

M Mazilu, P J Phillips, Alan Miller

Research output: Contribution to journalArticlepeer-review


We present a new method for the measurement of the phase of ultrashort optical pulses with high spectral resolution. This employs an interferometer with a monochromator in one arm. Two detectors operating in single photon and two-photon absorption regimes monitor the output from the interferometer. Comparison of the signals from the two detectors gives a measurement of the phase of the light pulse. The principles underpinning this technique are discussed and the experimental application to picosecond pulses is demonstrated.

Original languageEnglish
Pages (from-to)431-442
Number of pages12
JournalOptical and Quantum Electronics
Issue number5
Publication statusPublished - Apr 2004


  • chirp
  • frequency resolved
  • hetero-detector
  • interferometric method
  • linear and nonlinear detection
  • phase measurement
  • ultrashort pulses


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