Problems of Spontaneous Emission, thanks.

Thread starter qpzm77gg
Start date Oct 6, 2014
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In summary, spontaneous emission is the process in which an atom or molecule releases energy in the form of a photon without any external stimulus. It is caused by natural fluctuations in the electromagnetic field and can lead to energy loss and decreased efficiency. This differs from stimulated emission, which is induced by an external field and produces coherent light. Some potential applications of spontaneous emission include spectroscopy, optical communications, and electronic devices such as LEDs and solar cells.

Oct 6, 2014

qpzm77gg

How to change the upper step to lower step on the figure?
Why does N₂(0) change to N₂(t) the exp(-t/₂₁) will be missed?
Thanks.

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Oct 6, 2014

BvU

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1. What is spontaneous emission?

Spontaneous emission is the process in which an atom or molecule in an excited state releases energy in the form of a photon without any external stimulus or intervention.

2. What causes spontaneous emission?

Spontaneous emission is caused by the natural fluctuation of the electromagnetic field within the atom or molecule, which leads to the emission of a photon and the return of the atom or molecule to its ground state.

3. What are the problems associated with spontaneous emission?

One of the main problems with spontaneous emission is that it is a random process, making it difficult to control and manipulate. Additionally, it can lead to energy loss and decrease the efficiency of certain devices, such as lasers.

4. How does spontaneous emission differ from stimulated emission?

Spontaneous emission occurs without any external stimulation, while stimulated emission is induced by an external electromagnetic field. Stimulated emission produces coherent light, whereas spontaneous emission produces incoherent light.

5. What are some potential applications of spontaneous emission?

Spontaneous emission has various applications in fields such as spectroscopy, optical communications, and quantum computing. It is also crucial in the functioning of many electronic devices, such as LEDs and solar cells.