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		题名	作者	年代	出处	被引量
	1	Spectral measurement of coherence Stokes parameters of random broadband light beams显示文摘We introduce a spectrally resolved Young’s interferometer based on a digital micromirror device, a grating spectrometer, and a set of polarization-modulation elements to measure the spectral coherence(two-point) Stokes parameters of random light beams. An experimental demonstration is provided with a spatially partially coherent superluminescent diode amounting to a complex structure of spatio-spectral coherence induced by a quartzwedge depolarizer. We also show that the polarization and spatial coherence of light can vary with wavelength on a subnanometer scale. The technique is simple and robust and applies to light beams with any spectral bandwidth.	HENRI PARTANEN ARI T.FRIBERG TERO SET?L? JARI TURUNEN	2019	Photonics Research2019，7，6：	1
	2	Impact of cavity symmetry on mode suppression and increase of free spectral range in solid-state dye microlaser显示文摘We describe modeling the solid-state dye laser with the microcavity size comparable to light wavelength. Certain symmetry in the allocation of gain material leads to depletion of odd longitudinal modes that, in turn,increases the tunability range of the microlaser.We provide simple physical explanation for the modeling results.	Sergei Popov Sebastien Ricciardi Ari T.Friberg Sergey Sergeyev	2007	Chinese Optics Letters2007，5，11：	0
	3	Measurement of the degree of temporal coherence of unpolarized light beams显示文摘We measure the electromagnetic degree of temporal coherence and the associated coherence time for quasi-monochromatic unpolarized light beams emitted by an LED, a filtered halogen lamp, and a multimode He–Ne laser.The method is based on observing at the output of a Michelson interferometer the visibilities(contrasts) of the intensity and polarization-state modulations expressed in terms of the Stokes parameters. The results are in good agreement with those deduced directly from the source spectra. The measurements are repeated after passing the beams through a linear polarizer so as to elucidate the role of polarization in electromagnetic coherence. While the polarizer varies the equal-time degree of coherence consistently with the theoretical predictions and alters the inner structure of the coherence matrix, the coherence time remains almost unchanged when the light varies from unpolarized to polarized. The results are important in the areas of applications dealing with physical optics and electromagnetic interference.	LASSE-PETTERI LEPPANEN KIMMO SAASTAMOINEN ARI T.FRIBERG TERO SETALA	2017	Photonics Research2017，5，3：	0
	4	100-112 Gbit/s complete ETDM systems based on monolithically integrated transmitter and receiver modules显示文摘Traditional intensity modulated two-level electrical time-division multiplexing(ETDM)transmission systems working at 100-112Gbit/s were investigated.The complete ETDM systems based on monolithically integrated transmitter and receiver modules were demonstrated with bit-error-rate(BER)performance of 10-8 at 107Gbit/s,and near error-free standard forward error correction(FEC)threshold(2×10-3)at 112Gbit/s.The experiment results showed that directly modulated high-speed ETDM transmission systems with the symbol rates at 100Gbaud and beyond were promising candidate for cost-effective 100GbE applications and might be a preform of the next generation of Terabit/s Ethernet.	王轲李杰 Anders Djupsjbacka Marek Chaciński Urban Westergren Sergei Popov Gunnar Jacobsen Volker Hurm Robert Elvis Makon Rachid Driad Herbert Walcher Josef Rosenzweig Andreas G.Steffan G.Giorgis Mekonnen Heinz-Gunter Bach 李卓 Ari T.Friberg	2011	Journal of Beijing Institute of Technology2011，20，3：	0

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