Abstract

We describe the use of a coupling electromagnetic field to provide a general method of producing inversion-free laser systems. The interference between dressed states produces a zero in absorption while allowing gains of the order of that of the uncoupled system.

© 1989 Optical Society of America

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References

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  1. S. E. Harris, Phys. Rev. Lett. 62, 1033 (1989).
    [CrossRef] [PubMed]
  2. A. Imamoǧlu, Phys. Rev. A 40, 2835 (1989).
    [CrossRef]
  3. C. Cohen-Tannoudji, S. Reynaud, J. Phys. B 10, 2311 (1977).
    [CrossRef]
  4. S. E. Harris, J. J. Macklin, Phys. Rev. A 40, 4135 (1989).
    [CrossRef] [PubMed]
  5. B. R. Mollow, Phys. Rev. A 5, 1522 (1972).
    [CrossRef]
  6. H. R. Gray, R. M. Whitley, C. R. Stroud, Opt. Lett. 3, 218 (1978).
    [CrossRef] [PubMed]
  7. P. M. Radmore, P. L. Knight, J. Phys. B 15, 561 (1982).
    [CrossRef]
  8. M. O. Scully, S.-Y. Zhu, Phys. Rev. Lett. 62, 2813 (1989).
    [CrossRef] [PubMed]
  9. A. Lyras, X. Tang, P. Lambropoulos, J. Zhang, Phys. Rev. A 40, 4131 (1989).
    [CrossRef] [PubMed]

1989 (5)

S. E. Harris, Phys. Rev. Lett. 62, 1033 (1989).
[CrossRef] [PubMed]

A. Imamoǧlu, Phys. Rev. A 40, 2835 (1989).
[CrossRef]

S. E. Harris, J. J. Macklin, Phys. Rev. A 40, 4135 (1989).
[CrossRef] [PubMed]

M. O. Scully, S.-Y. Zhu, Phys. Rev. Lett. 62, 2813 (1989).
[CrossRef] [PubMed]

A. Lyras, X. Tang, P. Lambropoulos, J. Zhang, Phys. Rev. A 40, 4131 (1989).
[CrossRef] [PubMed]

1982 (1)

P. M. Radmore, P. L. Knight, J. Phys. B 15, 561 (1982).
[CrossRef]

1978 (1)

1977 (1)

C. Cohen-Tannoudji, S. Reynaud, J. Phys. B 10, 2311 (1977).
[CrossRef]

1972 (1)

B. R. Mollow, Phys. Rev. A 5, 1522 (1972).
[CrossRef]

Cohen-Tannoudji, C.

C. Cohen-Tannoudji, S. Reynaud, J. Phys. B 10, 2311 (1977).
[CrossRef]

Gray, H. R.

Harris, S. E.

S. E. Harris, J. J. Macklin, Phys. Rev. A 40, 4135 (1989).
[CrossRef] [PubMed]

S. E. Harris, Phys. Rev. Lett. 62, 1033 (1989).
[CrossRef] [PubMed]

Imamoglu, A.

A. Imamoǧlu, Phys. Rev. A 40, 2835 (1989).
[CrossRef]

Knight, P. L.

P. M. Radmore, P. L. Knight, J. Phys. B 15, 561 (1982).
[CrossRef]

Lambropoulos, P.

A. Lyras, X. Tang, P. Lambropoulos, J. Zhang, Phys. Rev. A 40, 4131 (1989).
[CrossRef] [PubMed]

Lyras, A.

A. Lyras, X. Tang, P. Lambropoulos, J. Zhang, Phys. Rev. A 40, 4131 (1989).
[CrossRef] [PubMed]

Macklin, J. J.

S. E. Harris, J. J. Macklin, Phys. Rev. A 40, 4135 (1989).
[CrossRef] [PubMed]

Mollow, B. R.

B. R. Mollow, Phys. Rev. A 5, 1522 (1972).
[CrossRef]

Radmore, P. M.

P. M. Radmore, P. L. Knight, J. Phys. B 15, 561 (1982).
[CrossRef]

Reynaud, S.

C. Cohen-Tannoudji, S. Reynaud, J. Phys. B 10, 2311 (1977).
[CrossRef]

Scully, M. O.

M. O. Scully, S.-Y. Zhu, Phys. Rev. Lett. 62, 2813 (1989).
[CrossRef] [PubMed]

Stroud, C. R.

Tang, X.

A. Lyras, X. Tang, P. Lambropoulos, J. Zhang, Phys. Rev. A 40, 4131 (1989).
[CrossRef] [PubMed]

Whitley, R. M.

Zhang, J.

A. Lyras, X. Tang, P. Lambropoulos, J. Zhang, Phys. Rev. A 40, 4131 (1989).
[CrossRef] [PubMed]

Zhu, S.-Y.

M. O. Scully, S.-Y. Zhu, Phys. Rev. Lett. 62, 2813 (1989).
[CrossRef] [PubMed]

J. Phys. B (2)

C. Cohen-Tannoudji, S. Reynaud, J. Phys. B 10, 2311 (1977).
[CrossRef]

P. M. Radmore, P. L. Knight, J. Phys. B 15, 561 (1982).
[CrossRef]

Opt. Lett. (1)

Phys. Rev. A (4)

A. Lyras, X. Tang, P. Lambropoulos, J. Zhang, Phys. Rev. A 40, 4131 (1989).
[CrossRef] [PubMed]

S. E. Harris, J. J. Macklin, Phys. Rev. A 40, 4135 (1989).
[CrossRef] [PubMed]

B. R. Mollow, Phys. Rev. A 5, 1522 (1972).
[CrossRef]

A. Imamoǧlu, Phys. Rev. A 40, 2835 (1989).
[CrossRef]

Phys. Rev. Lett. (2)

S. E. Harris, Phys. Rev. Lett. 62, 1033 (1989).
[CrossRef] [PubMed]

M. O. Scully, S.-Y. Zhu, Phys. Rev. Lett. 62, 2813 (1989).
[CrossRef] [PubMed]

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Figures (3)

Fig. 1
Fig. 1

Prototype system for inversion-free lasers. Γ2p and Γ 3p are the decay rates, to the same continuum, of prototype states |2p〉 and |3p〉.

Fig. 2
Fig. 2

Energy-level diagrams of the electromagnetic field coupled systems: (a) the bare-state system and (b) the equivalent dressed-state system. ωc is the frequency of the coupling field, ωp is the frequency of the probe, and Γ 3 is the decay rate to an arbitrary continuum.

Fig. 3
Fig. 3

Emission and absorption transition rates [Eqs. (2) and (3)] normalized to the transition rate of the uncoupled |1〉−|3〉 system. The drive strength Ω23 = 0.5Γ3, and ωc = ω3ω2.

Equations (4)

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| 2 d = cos θ | 2 sin θ | 3 , | 3 d = sin θ | 2 + cos θ | 3 , tan 2 θ = Ω 23 Δ ω c .
Γ 2 d = Γ 3 sin 2 θ , Γ 3 d = Γ 3 cos 2 θ , Ω 12 d = Ω 13 sin θ , Ω 13 d = Ω 13 cos θ , Δ ω 2 d = ω 2 δ 2 + ω c ω 1 ω p , Δ ω 3 d = ω 3 + δ 2 ω 1 ω p , δ = Δ ω c ( 1 cos 2 θ ) cos 2 θ .
W a b = 4 Ω 13 2 ( Δ ω p Δ ω c ) 2 Γ 3 [ Δ ω c 2 sec 2 2 θ ( 2 Δ ω p Δ ω c ) 2 ] 2 + 4 Γ 3 2 ( Δ ω p Δ ω c ) 2 .
W e = Γ { Ω 13 2 Δ ω c 2 tan 2 2 θ [ Δ ω c 2 sec 2 2 θ ( 2 Δ ω p Δ ω c ) 2 ] 2 + 4 Γ 3 2 ( Δ ω p Δ ω c ) 2 } ,

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