spontaneous emission वाक्य
उदाहरण वाक्य
मोबाइल
- If the rate of spontaneous emission, or any of the other rates are fast, the lifetime is short.
- Einstein's explanation of spontaneous emission also predicted the existence of stimulated emission, the principle upon which the laser rests.
- The phase of the photon in spontaneous emission is random as is the direction in which the photon propagates.
- A very well known example of a two-state system is the stimulated and spontaneous emission of photons from excited atoms.
- On this basis, physicists were searching for materials in which stimulated emission rather than spontaneous emission, is the dominant decay process.
- Contemporary physicists, when asked to give a physical explanation for spontaneous emission, generally invoke the zero-point energy of the electromagnetic field.
- :For Question 3, our article on spontaneous emission says the direction and phase of a spontaneously emitted photon are both random.
- The initial spontaneous emission is therefore amplified in the same manner as the signals, hence the term " Amplified Spontaneous Emission ".
- The initial spontaneous emission is therefore amplified in the same manner as the signals, hence the term " Amplified Spontaneous Emission ".
- Yablonovitch's main goal was to engineer photonic density of states to control the spontaneous emission of materials embedded in the photonic crystal.
- On the one hand SLEDs are semiconductor devices that are optimized to generate a large amount of amplified spontaneous emission ( ASE ).
- As described above, superluminescent light emitting diodes are based on the generation and on the amplification of spontaneous emission in a semiconductor waveguide.
- Controlling the rate of spontaneous emission and thus raising the photon generation efficiency is a key requirement for quantum dot based single-photon sources.
- In the case of emitters, the cavity modifies the spontaneous emission of light-emitting diodes ( LED ) improving their spectral purity and directivity.
- This infinite degree of freedom for the emission of the photon results in the apparent irreversible decay, i . e ., spontaneous emission.
- The optical power emitted by semiconductor active devices is always affected by fluctuations ( intensity noise ) that are induced by the spontaneous emission.
- After a statistically sufficient quantity of time, an electron in an excited state will undergo a transition to a lower state via spontaneous emission.
- It gave nonintuitive predictions such as that an atom's spontaneous emission could be driven by field of effectively constant frequency ( Rabi frequency ).
- An atom can be absorption of a photon with sufficient energy, or decay to a lower energy state through spontaneous emission of a photon.
- It gave the nonintuitive prediction that the rate of spontaneous emission could be controlled depending on the boundary conditions of the surrounding vacuum field.
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