Photon bunching is a quantum statistical phenomenon where photons exhibit a tendency to cluster together rather than arriving randomly at a detector, often observed in chaotic or thermal light sources. It provides key insights into the quantum nature of light, distinct from the uncorrelated behavior seen in coherent sources like lasers.

Photon Bunching

Photon bunching

quantum statistical phenomenon

tendency to cluster together

randomly at a detector

Chaotic light sources

thermal light sources

quantum nature of light

uncorrelated behavior

Coherent sources are two or more wave sources that emit waves with a constant phase difference and the same frequency, ensuring that the waves can interfere constructively or destructively. This coherence is essential for producing stable interference patterns, which are fundamental in applications like lasers and holography.

coherent sources

Lasers emit light through a process of optical amplification based on the stimulated emission of electromagnetic radiation, producing a coherent beam with a narrow spectrum of wavelengths. They have diverse applications ranging from medical procedures and telecommunications to manufacturing and scientific research.

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