Microwaves pp 439-442 | Cite as

An efficient optical maser modulation scheme

  • P. A. Lindsay
  • M. Ciftan
  • S. Koozekanani
Chapter

Abstract

One of the great attractions of optical masers is that they can provide us with a communication carrier at light frequencies. In the present day shortage of communication channels this is a great asset. When we consider the output of a ruby optical maser, we find that it corresponds to a carrier whose frequency is given by v = = c/λ = 4. 3 x 1014 cycles per second. With a 0,1% modulation bandwidth, we could then obtain a 400 Gc/s wide modulation channel. For practical reasons we could only consider, at present, a modulation channel of some 4 Gc/s, i.e., in the microwave range of frequencies, but even that is exceptionally large by ordinary communication standards. An excellent review of the use of optical masers in the field of communications is given in reference [1].

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References

  1. [1]
    D. G. LUCK, Some Fac tors Affecting Applicability of Optical-Band Radio (Coherent Light) to Communication, RCA Rev., Vol. XXII, 359 Sept., 1961Google Scholar
  2. [2]
    N. BLOEMBERGEN, P.S. PERSHAN and L.R. WILCOX Microwave Modulation of Light in Paramagnetic Crystals, Phys. Rev. 120, 2014 (1960)CrossRefGoogle Scholar
  3. [3]
    J.N. DODD and G.W. SERIES Theory of Modulat-ion of Light in a Double Resonance Experiment, Proc. Roy. Soc., Vol. 263A, 353–370 Sept.19, 1961MathSciNetCrossRefGoogle Scholar
  4. [4]
    T.H. MAIMAN et al., Stimulated Optical Emission in Fluor es cent Solids II, Phys. Rev. 123, 1151 (1961)CrossRefGoogle Scholar

Copyright information

© N.V. Uitgeversmaatschappij Centrex 1963

Authors and Affiliations

  • P. A. Lindsay
    • 1
  • M. Ciftan
    • 1
  • S. Koozekanani
    • 1
  1. 1.Research DivisionRaytheon CompanyBurlingtonUSA

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