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Interferometric polarization pulse shaper stabilized by an external laser diode for arbitrary vector field shaping
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10.1063/1.3270254
/content/aip/journal/rsi/80/12/10.1063/1.3270254
http://aip.metastore.ingenta.com/content/aip/journal/rsi/80/12/10.1063/1.3270254
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of Mach–Zehnder pulse shaper and stabilization mechanism. Our femtosecond laser system delivers 30 fs, 4 nJ pulses at a center wavelength of 800 nm and a repetition rate of 75 MHz. A LD emits a cw at a wavelength of 850 nm. Both the pulses and the cw lights are linearly polarized but perpendicular to each other. BS: beam splitter; SLM: spatial light modulator; PBS: polarizing beam splitter; PZT: piezoelectric actuator.

Image of FIG. 2.
FIG. 2.

Envelope of an elliptically polarized light with ellipticity and orientation .

Image of FIG. 3.
FIG. 3.

Frequency-domain representation of a polarization-twisted pulse. Top right or left panel represents spectral amplitude and spectral phase of two orthogonal polarization components of each circularly polarized component. Bottom right or left panel shows each four parameter for which we should prepare to generate the polarization-twisted pulse.

Image of FIG. 4.
FIG. 4.

Measured and simulated pulses with a rotating major axis of polarizing orientation at arbitrary frequencies. Three pulses with different rotating frequencies are shown. Each left panel depicts the measured (top) and simulated (bottom) vectorial waveforms of electric field envelopes. The right panels show the instantaneous orientations of the pulses as a function of reference pulse delay.

Image of FIG. 5.
FIG. 5.

Spectra of 2.5 (top) and ±1.5 THz (bottom) twisting pulses. A spike in each chart at a frequency of 353 THz is the cw light from the LD. In this measurement, the LD output was set to be linearly polarized parallel to the input pulse to record both spectra of the pulse and the cw components at the same time.

Image of FIG. 6.
FIG. 6.

Relative phase error as a function of time measured in the long term. The left and right panels show the phase error without and with phase-lock, respectively. The phase error distributions are also plotted in the right side of each chart.

Image of FIG. 7.
FIG. 7.

Relative phase error as a function of time measured in the short term.

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/content/aip/journal/rsi/80/12/10.1063/1.3270254
2009-12-11
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Interferometric polarization pulse shaper stabilized by an external laser diode for arbitrary vector field shaping
http://aip.metastore.ingenta.com/content/aip/journal/rsi/80/12/10.1063/1.3270254
10.1063/1.3270254
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