Variable electro-optic shearing interferometry for ultrafast single-photon-level pulse characterization
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Variable electro-optic shearing interferometry for ultrafast single-photon-level pulse characterization. / Kurzyna, Stanislaw; Jastrzebski, Marcin; Fabre, Nicolas; Wasilewski, Wojciech; Lipka, Michal; Parniak, Michal.
In: Optics Express, Vol. 30, No. 22, 24.10.2022, p. 39826-39839.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Variable electro-optic shearing interferometry for ultrafast single-photon-level pulse characterization
AU - Kurzyna, Stanislaw
AU - Jastrzebski, Marcin
AU - Fabre, Nicolas
AU - Wasilewski, Wojciech
AU - Lipka, Michal
AU - Parniak, Michal
PY - 2022/10/24
Y1 - 2022/10/24
N2 - Despite the multitude of available methods, the characterization of ultrafast pulses remains a challenging endeavor, especially at the single-photon level. We introduce a pulse characterization scheme that maps the magnitude of its short-time Fourier transform. Contrary to many well-known solutions it does not require nonlinear effects and is therefore suitable for single-photon-level measurements. Our method is based on introducing a series of controlled time and frequency shifts, where the latter is performed via an electro-optic modulator allowing a fully-electronic experimental control. We characterized the full spectral and temporal width of a classical and single-photon-level pulse and successfully tested the applicability of the reconstruction algorithm of the spectral phase and amplitude. The method can be extended by implementing a phase-sensitive measurement and is naturally well-suited to partially-incoherent light.
AB - Despite the multitude of available methods, the characterization of ultrafast pulses remains a challenging endeavor, especially at the single-photon level. We introduce a pulse characterization scheme that maps the magnitude of its short-time Fourier transform. Contrary to many well-known solutions it does not require nonlinear effects and is therefore suitable for single-photon-level measurements. Our method is based on introducing a series of controlled time and frequency shifts, where the latter is performed via an electro-optic modulator allowing a fully-electronic experimental control. We characterized the full spectral and temporal width of a classical and single-photon-level pulse and successfully tested the applicability of the reconstruction algorithm of the spectral phase and amplitude. The method can be extended by implementing a phase-sensitive measurement and is naturally well-suited to partially-incoherent light.
KW - FEMTOSECOND PULSES
KW - FREQUENCY
U2 - 10.1364/OE.471108
DO - 10.1364/OE.471108
M3 - Journal article
C2 - 36298925
VL - 30
SP - 39826
EP - 39839
JO - Optics Express
JF - Optics Express
SN - 1094-4087
IS - 22
ER -
ID: 333036830