Optical: systems and elements – Optical frequency converter
Patent
1994-12-27
1996-03-19
Lee, John D.
Optical: systems and elements
Optical frequency converter
359348, 372 25, 372 32, 385 15, H01S 310
Patent
active
055007627
ABSTRACT:
The present invention provides light frequency control apparatus comprising a light pulse signal generating mechanism for converting continuous light into a light pulse signal, and outputting this light pulse signal; a light signal generating mechanism for repeatedly generating at predetermined cycles, a light signal, in which a light frequency component therein is shifted to form a staircase shape based on the number of cycles of a loop within which the light pulse signal circulates; and a dummy light generating mechanism for generating dummy light at a timing such that the level of the light signal becomes zero, and supplying this dummy light to the light amplifying mechanism. The aforementioned loop is formed from a light amplifying mechanism for amplifying the light pulse signal outputted from the light pulse signal generating mechanism, light delay mechanism for delaying the light pulse signal a fixed amount; and frequency shifting mechanism for shifting the frequency of the light pulse signal.
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Horiguchi Tsuneo
Koyamada Yahei
Lee Tekken
Shimizu Kaoru
Takeuchi Nobunari
Ando Electric Co. Ltd.
Lee John D.
Nippon Telegraph and Telephone Corporation
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