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Direct frequency modulation of a semiconductor laser by surface acoustic waves

Direct frequency modulation of a semiconductor laser by surface acoustic waves

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© The Institution of Electrical Engineers
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Frequency-modulated signals in the output of a semiconductor laser are generated by applying surface acoustic waves to the device. The SAW modulator is discussed and theoretical and experimental results are compared.

Inspec keywords: surface acoustic wave devices; optical modulation

Other keywords: SAW modulator; semiconductor laser; surface acoustic waves; experimental results; SAW modulated laser; direct FM laser

Subjects: Laser beam modulation, pulsing and switching; mode locking and tuning; Transduction; devices for the generation and reproduction of sound; Optical beam modulators; Acoustic wave devices; Modulation and coding methods

References

    1. 1)
      • S. Kobayashi , Y. Yamamoto , T. Kimura . Modulation frequency characteristics of directly optical frequency modulated AlGaAs semiconductor laser. Electron. Lett. , 350 - 351
    2. 2)
      • P.A. Greenhalgh , P.A. Davies . Direct frequency modulation of a semiconductor laser by acoustic waves. Electron. Lett. , 246 - 248
    3. 3)
      • H. Matthews . (1977) , Surface wave filters.
    4. 4)
      • M.T. Wauk . (1973) Surface wave scattering and loss from planar discontinuities in bonded acoustic composites, IEEE ultrasonics symp..
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