Related Experiment Video
Updated: Jul 8, 2026
08:43
A Fluorescence Fluctuation Spectroscopy Assay of Protein-Protein Interactions at Cell-Cell Contacts
Published on: December 1, 2018
Photocounting statistics associated with temperature fluctuations in semiconductor lasers
1University of Manitoba, Department of Electrical Engineering, Materials & Devices Research Laboratory, Winnipeg, Manitoba R3T 2N2.
Applied Optics
|January 1, 1983
Summary
Temperature fluctuations in semiconductor lasers significantly alter photoelectron counting distributions. Increased temperature variations cause a downward shift and asymmetry in photon probability density, impacting laser performance analysis.
Area of Science:
- Quantum Optics
- Semiconductor Laser Physics
- Statistical Optics
Background:
- Photoelectron counting distributions are crucial for characterizing light sources.
- Semiconductor lasers exhibit intensity fluctuations influenced by operating temperature.
- Compound Poisson statistics model certain light emission processes.
Purpose of the Study:
- To investigate photoelectron counting distributions for semiconductor lasers.
- To analyze the impact of Gaussian temperature fluctuations on photon statistics.
- To model an ideal laser source with temperature-dependent intensity variations.
Main Methods:
- Theoretical calculation of photoelectron counting distributions.
- Application of compound Poisson statistics to model photon emission.
- Analysis of intensity fluctuations governed by a Gaussian distribution of operating temperatures.
Main Results:
- Observed a significant downward shift in the photon probability density function peak for large temperature fluctuations (> 10 K).
- The photon probability density function becomes more asymmetric with increasing temperature standard deviation.
- The mean value of the photon probability density function decreases as temperature fluctuations increase.
Conclusions:
- Temperature fluctuations are a critical factor affecting photoelectron counting statistics in semiconductor lasers.
- Deviations from ideal behavior due to temperature significantly alter photon probability distributions.
- Understanding these statistical changes is essential for accurate laser characterization and performance evaluation.
