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Direct coupling from a GaAs laser into a single-mode fibre

Direct coupling from a GaAs laser into a single-mode fibre

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© The Institution of Electrical Engineers
Published

Ways of coupling directly to a monomode fibre by neutralising the end reflection from the laser and then using the face of the fibre core as a cavity mirror are proposed. The condition is derived for the optimum transfer of power from the laser resonator to the fibre transmission line.

Inspec keywords: waveguide couplers; semiconductor lasers; optical waveguides; fibre optics

Other keywords: fibre transmission line; monomode fibre; optimum transfer; GaAs laser; direct coupling

Subjects: Fibre optics and fibre waveguides; Semiconductor lasers; Fibre optics; Laser optical systems: design and operation; Lasing action in semiconductors

References

    1. 1)
      • A. Yariv . (1976) , Introduction to optical electronics.
    2. 2)
      • R.B. Dyott , J.R. Stern , J.H. Stewart . Fusion junctions for glass-fibre waveguides. Electron. Lett. , 290 - 292
    3. 3)
      • Dyott, R.B.: `The GaAs laser in optical communications using glass fibre', Conference on semiconductor injection lasers and their applications, 1972, Cardiff, Summary in Phys. Bull., 1972, 23, pp. 301–302.
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