Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2006-08-08
2006-08-08
Lester, Evelyn A. (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S264000, C359S326000, C359S328000, C250S227180, C385S037000, C372S012000, C372S025000, C372S026000, C372S029016, C372S029023, C372S030000, C398S044000, C398S154000, C398S183000, C398S188000, C398S201000
Reexamination Certificate
active
07088491
ABSTRACT:
An apparatus and method generating an optical pulse of picosecond class (having a high duty ratio), which accurately and stably operates at an arbitrary repetition frequency, has a high OSNR, and is not restricted by an RF modulation frequency, are provided. New modulation spectrum components are generated by performing phase modulation for light output from a single wavelength laser light source with an optical phase modulator. The phases of the modulation spectrum components are aligned by a phase adjuster, so that a pulse wave in a time domain is generated.
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Futami Fumio
Takita Yutaka
Watanabe Shigeki
Lester Evelyn A.
Staas & Hlasey LLP
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