Simultaneous sampling of optical pulse intensities and wavelengths by four-wave mixing in a semiconductor optical amplifier

Autor: H.G. Weber, C. Bornholdt, C. Schmidt, Leaf A. Jiang, Bernd Sartorius, Arūnas Krotkus, Stefan Diez, D. Hoffmann
Přispěvatelé: Publica
Rok vydání: 1998
Předmět:
1.4 ps
signal sampling
nearly transform-limited optical sampling pulses
Materials science
Physics and Astronomy (miscellaneous)
optical correlation
optical pulse intensity measurement
Physics::Optics
pulse generation
self-q-switched distributed-feedback laser
Signal
laser variables measurement
law.invention
Four-wave mixing
Optics
law
high-speed optical techniques
Chirp
cross correlation
optical wavelength measurement
wavelength dynamics
optical pulse generation
semiconductor optical amplifier
Optical amplifier
business.industry
distributed feedback lasers
q-switching
Laser
Q-switching
multiwave mixing
Wavelength
optical signal under test
Temporal resolution
time-resolved information
four-wave mixing
business
temporal resolution
frequency chirp
semiconductor optical amplifiers
all-optical sampling technique
Zdroj: Applied Physics Letters. 73:3821-3823
ISSN: 1077-3118
0003-6951
DOI: 10.1063/1.122905
Popis: An all-optical sampling technique that allows the simultaneous measurement of optical pulse intensities and wavelengths with a temporal resolution of about 1 ps is introduced. Using four-wave mixing (FWM) in a semiconductor optical amplifier, the optical signal under test is cross correlated with nearly transform-limited 1.4 ps optical sampling pulses. While the intensity of the generated FWM signal is used to determine the temporal shape of the signal intensity, the wavelength of the FWM signal yields time-resolved information about the signal wavelength (i.e., the frequency chirp). Using this technique, the correlation of intensity and wavelength dynamics of pulses generated by a self-Q-switched distributed-feedback laser is determined directly.
Databáze: OpenAIRE
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