Method and apparatus for optical sampling

Details Method and apparatus for optical sampling Method and apparatus for optical sampling

2006-06-27

2006-06-27

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S259000, C359S264000, C398S189000, C398S147000

Reexamination Certificate

active

07068411

ABSTRACT:
An optical sampling method and apparatus are provided for modulating an optical signal using a first electroabsorption modulator (EAM) driven by a sinusoidal RF voltage signal to provide substantially jitter free temporal gating of the optical signal. The gated optical signal from the first EAM is routed through a second EAM to provide an optical output signal having a reduced repetition rate. The second EAM is driven using an electrical pulse train having a repetition rate that is a subharmonic of the frequency of the sinusoidal RF voltage signal driving the first EAM.

REFERENCES:
A. D. Ellis et al., “Full 10=10 Gbit/s OTDM Data Generation And Demultiplexing Using Elecroabsorption Modulators”,Electronics Letters, vol. 34, No. 18, 3rdSep. 1998, pp. 1766-1767.

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