安静激光器的半经典理论。短版
Semi-classical theory of quiet lasers. Short version
摘要：
本文是quant-phys/0610106的简化版，补充了恒电位电池驱动单电子激光的理论和新结果。安静（或亚泊松）振荡器产生许多耗散事件，其方差小于平均值。1984年，Golubev和Sokolov证明了由常规泵浦驱动的激光器在这个意义上是安静的。我们认为在本文件中的两个振荡器，应表现出相同的性质原则。第一，反射速调管，一种工作在微波频率范围内的真空管。第二种是一种激光，它包含一个与场永久相互作用的单个电子。该理论不需要对光场进行量子化，即是半经典的，但又是精确的。作为一个例子，电池驱动的单电子激光器提供的检测噪声为散粒噪声水平的7/8，因此是亚泊松。我们的计算与共振荧光治疗有关，但具有不同的物理解释。另一方面，以前的理论考虑激发态原子定期注入低损耗谐振器，需要光量子化。这里提出的理论仅限于阈值以上的稳态单模振荡器。这篇论文是以这样一种方式写的，读者应该能够理解它，而不必参考量子光学文本。"
英文摘要：
This article is the shorten version of quant-phys/0610106 with a supplemented theory and new results concerning a single-electron laser driven by a constant-potentiel battery. "Quiet (or sub-Poissonian) oscillators generate a number of dissipation events whose variance is less than the mean. It was shown in 1984 by Golubev and Sokolov that lasers driven by regular pumps are quiet in that sense. We consider in the present paper two oscillators that should exhibit in principle the same property. First, a reflex klystron, a vacuum tube operating in the microwave range of frequency. Second a laser involving a single electron permanently interacting with the field. It is unnecessary to quantize the optical field, that is, the theory is semi-classical, yet exact. As an example, the battery-driven one-electron laser delivers a detected noise of 7/8 of the shot-noise level, and is therefore sub-Poissonian. Our calculations are related to resonance-fluorescence treatments but with a different physical interpretation. Previous theories considering excited-state atoms regularly-injected in low-loss resonators, on the other hand, do require light quantization. The theory presented here is restricted to above-threshold stationary single-mode oscillators. The paper is written in such a way that readers should be able to follow it without having to refer to quantum-optics texts."
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