ATOMIC MEMORY EFFECTS IN THE QUANTUM-THEORY OF LASER

被引：5

作者：

SCULLY, MO

ZUBAIRY, MS

WODKIEWICZ, K

机构：

[1] UNIV NEW MEXICO,CTR ADV STUDIES,ALBUQUERQUE,NM 87131

[2] UNIV NEW MEXICO,DEPT PHYS & ASTRON,ALBUQUERQUE,NM 87131

[3] UNIV WARSAW,INST THEORET PHYS,PL-00681 WARSAW,POLAND

来源：

OPTICS COMMUNICATIONS | 1988年 / 65卷 / 06期

关键词：

Motivated by these considerations we present here a simple derivation of an explicit quantum noise operator appropriate to the laser. This formulation extends the domain of the quantum theory of the laser to include the effects of finite atomic lifetime on the laser phase diffusion rate~. Such phase diffusion is an important source of error in various heterodyne experiments such as the laser gyroscope [7 ] and the (active) laser gravity wave detector [8 ]. We consider a three-level atom interacting with a single-mode quantized electromagnetic field of frequency £2 inside a cavity. The energy level structure of the atom is shown in fig. 1. We assume that ~2=~o~b; and the level Ic) is far from resonance; i.e; ma~; mbc>> Og~b. The decay of the atom from levels [a) and Ib) to level [c) is described by a reservoir of harmonic oscillators of closely spaced frequencies o~k and annihilation operators bk. Similarly the cavity damping of the field is described by a reservoir of harmonic oscillators of fie- Research supported by the US Office of Naval Research. Permanent address: Department of Physics; Quaid-i-Azam University; Islamabad; Pakistan. See however the pioneering paper of Haake [6]T. his work addresses the non-markovian problem but does not consider the problem of phase diffusion which is the subject of the present paper;

D O I：

10.1016/0030-4018(88)90121-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

引用

页码：440 / 444

页数：5

共 12 条

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