Abstract

It is shown that, in principle, there exists a light source giving a higher information rate per symbol in an optical communication channel than a single-mode laser. Such a source emits a definite number of photons per symbol. A possible form for this source is suggested, and the corresponding information rates are compared.

© 1976 Optical Society of America

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  1. T. E. Stern, Trans. I. R. E. IT-6, 435 (1960).
  2. J. P. Gordon, inAdvances in Quantum Electronics, edited by J. R. Singer (Columbia University, New York, 1961), p. 509; also G. J. Lasher, ibid. p. 520; J. P. Gordon, Proc. I. R. E. 50, 1898 (1962), and in Quantum Electronics and Coherent Light, edited by C. H. Townes and P. A. Miles (Academic, New York, 1962), p. 156.
  3. L. P. Bolgiano, Jr. and L. F. Jelsma, Proc. I. E. E. E. 52, 218 (1964); B. E. Goodwin and L. P. Bolgiano, Jr., Proc. I. E. E. E. 53, 1745 (1965).
  4. G. Toraldo di Francis, Opt. Acta 2, 5 (1955).
  5. R. C. Jones, J. Opt. Soc. Am. 50, 1166 (1960); 52, 493 (1962).
  6. E. Hisdal, J. Opt. Soc. Am. 55, 1446 (1963); 57, 35 (1967); 59, 921 (1969).
  7. G. L. Fillmore and G. Lachs, I. E. E. E. Trans. IT-15, 465 (1969).
  8. R. Jodoin and L. Mandel, J. Opt. Soc. Am. 61, 191 (1971).
  9. C. Bendjaballah, Opt. Commun. 17, 55 (1976).
  10. We identify Hilbert space operators for the quantum field by the caret, ^.
  11. See, for example,L. Mandel and E. Wolf, Rev. Mod. Phys. 37, 231 (1965); R. J. Glauber, in Quantum Optics and Electronics, edited by C. DeWitt, A. Blandin and C. Cohen-Tannoudji (Gordon and Breach, New York, 1965), p. 63.
  12. E. C. G. Sudarshan, Phys. Rev. Lett. 10, 277 (1963); R. J. Glauber, Phys. Rev. 131, 2766 (1963); J. R. Klauder, Phys. Rev. Lett. 16, 534 (1966).

Bendjaballah, C.

C. Bendjaballah, Opt. Commun. 17, 55 (1976).

Bolgiano, Jr., L. P.

L. P. Bolgiano, Jr. and L. F. Jelsma, Proc. I. E. E. E. 52, 218 (1964); B. E. Goodwin and L. P. Bolgiano, Jr., Proc. I. E. E. E. 53, 1745 (1965).

Fillmore, G. L.

G. L. Fillmore and G. Lachs, I. E. E. E. Trans. IT-15, 465 (1969).

Francis, G. Toraldo di

G. Toraldo di Francis, Opt. Acta 2, 5 (1955).

Gordon, J. P.

J. P. Gordon, inAdvances in Quantum Electronics, edited by J. R. Singer (Columbia University, New York, 1961), p. 509; also G. J. Lasher, ibid. p. 520; J. P. Gordon, Proc. I. R. E. 50, 1898 (1962), and in Quantum Electronics and Coherent Light, edited by C. H. Townes and P. A. Miles (Academic, New York, 1962), p. 156.

Hisdal, E.

E. Hisdal, J. Opt. Soc. Am. 55, 1446 (1963); 57, 35 (1967); 59, 921 (1969).

Jelsma, L. F.

L. P. Bolgiano, Jr. and L. F. Jelsma, Proc. I. E. E. E. 52, 218 (1964); B. E. Goodwin and L. P. Bolgiano, Jr., Proc. I. E. E. E. 53, 1745 (1965).

Jodoin, R.

R. Jodoin and L. Mandel, J. Opt. Soc. Am. 61, 191 (1971).

Jones, R. C.

R. C. Jones, J. Opt. Soc. Am. 50, 1166 (1960); 52, 493 (1962).

Lachs, G.

G. L. Fillmore and G. Lachs, I. E. E. E. Trans. IT-15, 465 (1969).

Mandel, L.

R. Jodoin and L. Mandel, J. Opt. Soc. Am. 61, 191 (1971).

See, for example,L. Mandel and E. Wolf, Rev. Mod. Phys. 37, 231 (1965); R. J. Glauber, in Quantum Optics and Electronics, edited by C. DeWitt, A. Blandin and C. Cohen-Tannoudji (Gordon and Breach, New York, 1965), p. 63.

Stern, T. E.

T. E. Stern, Trans. I. R. E. IT-6, 435 (1960).

Sudarshan, E. C. G.

E. C. G. Sudarshan, Phys. Rev. Lett. 10, 277 (1963); R. J. Glauber, Phys. Rev. 131, 2766 (1963); J. R. Klauder, Phys. Rev. Lett. 16, 534 (1966).

Wolf, E.

See, for example,L. Mandel and E. Wolf, Rev. Mod. Phys. 37, 231 (1965); R. J. Glauber, in Quantum Optics and Electronics, edited by C. DeWitt, A. Blandin and C. Cohen-Tannoudji (Gordon and Breach, New York, 1965), p. 63.

Other (12)

T. E. Stern, Trans. I. R. E. IT-6, 435 (1960).

J. P. Gordon, inAdvances in Quantum Electronics, edited by J. R. Singer (Columbia University, New York, 1961), p. 509; also G. J. Lasher, ibid. p. 520; J. P. Gordon, Proc. I. R. E. 50, 1898 (1962), and in Quantum Electronics and Coherent Light, edited by C. H. Townes and P. A. Miles (Academic, New York, 1962), p. 156.

L. P. Bolgiano, Jr. and L. F. Jelsma, Proc. I. E. E. E. 52, 218 (1964); B. E. Goodwin and L. P. Bolgiano, Jr., Proc. I. E. E. E. 53, 1745 (1965).

G. Toraldo di Francis, Opt. Acta 2, 5 (1955).

R. C. Jones, J. Opt. Soc. Am. 50, 1166 (1960); 52, 493 (1962).

E. Hisdal, J. Opt. Soc. Am. 55, 1446 (1963); 57, 35 (1967); 59, 921 (1969).

G. L. Fillmore and G. Lachs, I. E. E. E. Trans. IT-15, 465 (1969).

R. Jodoin and L. Mandel, J. Opt. Soc. Am. 61, 191 (1971).

C. Bendjaballah, Opt. Commun. 17, 55 (1976).

We identify Hilbert space operators for the quantum field by the caret, ^.

See, for example,L. Mandel and E. Wolf, Rev. Mod. Phys. 37, 231 (1965); R. J. Glauber, in Quantum Optics and Electronics, edited by C. DeWitt, A. Blandin and C. Cohen-Tannoudji (Gordon and Breach, New York, 1965), p. 63.

E. C. G. Sudarshan, Phys. Rev. Lett. 10, 277 (1963); R. J. Glauber, Phys. Rev. 131, 2766 (1963); J. R. Klauder, Phys. Rev. Lett. 16, 534 (1966).

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