Abstract
Electrooptic methods to generate ultrashort optical pulses have advantage in controllability and are useful for applications in various fields. One of the typical electrooptic methods is the direct pulse generation making use of a broad-band modulator. In the picosecond range, however, this method has the difficulty of the limitation in high-speed electric circuits. Another approach is to synthesize the optical pulses using widely spread optical sidebands produced by deep electrooptic modulation. The authors have succeeded in producing 700GHz-width optical sidebands by the electrooptic phase modulation1, and in generating a few picosecond pulses using a diffraction grating2. Moreover, they are developing a ”Terahertz optical synthesizer” which makes it possible to synthesize arbitrary shaped optical signal in terahertz range3. These pulse generator and synthesizer will be very useful but rather complicated.
© 1988 Optical Society of America
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