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We demonstrate an interferometric configuration comprising a saturable Bragg reflector for phase-to-amplitude response conversion. Its static nonlinear phase response is determined and used to obtain tunable nonlinear amplitude depth modulation.
The complete characterization of the 19th harmonic of Ti:sapphire laser was demonstrated using the photoelectron spectral shearing interferometry for the first time. The frequency chirp of a harmonic pulse was sensitively detected by this method.
We demonstrate a three-fold phase accuracy improvement in optical pulse reconstruction based on Hilbert transform temporal interferometry using a feedback-control for minimizing the phase errors associated with instabilities in the fiber-based interferometer.
We investigate conditions for optically coherent injection locking of a monolithic mode-locked semiconductor laser. An interferometric technique is used to quantify the relationship between modal detuning, pulse shape, and optical spectrum.
We report results from thorough characterization of a high average-power, cryogenically cooled, carrier-envelope phase (CEP) stabilized ultrafast laser system. We also discuss the effect of signal averaging on measured RMS noise in CEP.
A linear optical method is demonstrated for extracting the carrier-envelope offset phase via the fringe visibility in a combined two-path multi-path interferometer. This method is applicable to a wider class of lasers than f-to-2f interferometry.
We introduce a novel interferometric method for dynamic extinction ratio measurement of temporally demultiplexed pulses by using a high extinction modulator. The resulting extinction ratio is 44 dB. Our method has a dynamic range of ~60 dB.
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