Journal ArticleDOI
Low-frequency intensity fluctuations of c.w. d.h. GaAlAs-diode lasers
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TLDR
In this article, the optical-emission fluctuations and the current noise of cw dh GaAlAs junction lasers have been investigated for the first time in the low-frequency range in the presence of an optoelectronic feedback method that practically eliminated the relative excess light noise.Abstract:
The optical-emission fluctuations and the current noise of cw dh GaAlAs junction lasers have been investigated for the first time in the low-frequency range In both the optical noise spectra and the current noise spectra, a l/f behaviour has been observed It was found that a strong crosscorrelation exists between optical-emission noise and forward-current noise Finally, an optoelectronic feedback method that practically eliminated the relative excess light noise has been demonstratedread more
Citations
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ReportDOI
1/F Frequency Noise Effects on Self-Heterodyne Linewidth Measurements for Coherent Communications
TL;DR: In this article, the autorcorrelation function and power spectrum of the self-heterodyne photocurrent were developed in terms of an arbitrary frequency noise. And the effect of 1/f frequency noise on the detection performance was analyzed and the results were applied to the problem of laser diode-linewidth measurement.
Journal ArticleDOI
1/f frequency noise effects on self-heterodyne linewidth measurements
TL;DR: In this paper, the effects of a 1/f frequency noise on self-heterodyne detection were described, and the results were applied to the problem of laser diode linewidth measurement.
Journal ArticleDOI
Fiber optic lever displacement transducer.
R. O. Cook,C. W. Hamm +1 more
TL;DR: Both procedures showed performance limits to be functions of the square root of the flux density coupled into the target-illuminating fiber(s) by the electroluminescent source.
Journal ArticleDOI
Theory of mode competition noise in semiconductor injection lasers
TL;DR: In this article, a theoretical analysis of the mode-competition noise in semiconductor injection lasers is given, where the source of the noise is supposed to be fluctuations of the number of photons and electrons on optical emission, and is amplified by optical gain.
Journal ArticleDOI
Low-frequency intensity noise in semiconductor lasers
R.J. Fronen,L.K.J. Vandamme +1 more
TL;DR: In this paper, the observed 1/f noise in the light output power S/sub p/ of four different types of heterostructure lasers is explained in terms of spatially uncorrelated gain fluctuations and spontaneous emission fluctuations.
References
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Journal ArticleDOI
Quantum noise in semiconductor lasers
D. J. Morgan,Michael J. Adams +1 more
TL;DR: In this article, rate equations with fluctuation operators describing the quantum nature of the transitions are solved for (i) the exponential band tails model of a semiconductor laser at 80 °K, and (ii) the parabolic bands with no k-selection model of an SIRL at room temperature.
Journal ArticleDOI
Fluctuations in Luminescent Junctions
TL;DR: In this paper, optical emission fluctuations from three types of GaAs and Ga(AsP) p−n junction luminescent diodes have been examined and a correlation exists between optical emission noise and forward current noise, suggesting that carrier transitions responsible for both effects are the same.
Journal ArticleDOI
Optical fluctuations of light-emitting diodes
TL;DR: In this article, a dependence of optical fluctuations at low frequencies on diode current and also on the direction of emitted radiation has been found in GaAs light-emitting diodes.
Journal ArticleDOI
Correlation between laser emission noise and voltage noise in GaAs CW laser diodes
G. Guekos,M. Strutt +1 more
TL;DR: In this paper, the cross-correlation coefficient c = | c | \cdot e^{i \vartheta} between the laser light noise and the diode voltage noise has been measured for three CW GaAs laser diodes at 77°K.
Journal ArticleDOI
Current noise spectra of GaAs laser diodes in the luminescence mode
G. Guekos,M. Strutt +1 more
TL;DR: In this paper, the current noise of GaAs laser diodes in the luminescence mode has been measured at frequencies between 0.47 kHz and 1.5 MHz.