Abstract

An 11-GHz optical modulator using LiTaO3 as the electrooptic material has been designed and built. The experimental model has a bandwidth of about 100 mHz and is tunable over 1.5 GHz with uniform modulation characteristics. A phase modulation index of 0.45 rad was achieved with 1.6 W of modulating power.

© 1971 Optical Society of America

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References

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  1. I. P. Kaminow, W. M. Sharpless, Appl. Opt. 6, 351 (1967).
    [CrossRef] [PubMed]

1967

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Figures (3)

Fig. 1
Fig. 1

Cavity for x-band modulator.

Fig. 2
Fig. 2

Experimental 11-GHz optical modulator.

Fig. 3
Fig. 3

Cavity equivalent circuit.

Equations (3)

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L π 2 t c ( 377 ) 16 a ω [ ( λ / 2 a ) 2 - 1 ] 1 2 tanh { 2 π l c λ [ ( λ / 2 a ) 2 - 1 ] 1 2 } ,
Γ = β 2 π l λ t ( n 3 3 r 33 - n 1 3 r 13 ) ( Q P ω 0 C T ) 1 2 ,
β = 1 2 ( sin u + u + + sin u - u - ) ,

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