Traveling wave coupled type optical wave circulators

Details Traveling wave coupled type optical wave circulators Traveling wave coupled type optical wave circulators

1980-06-19

1983-04-05

Lee, John D.

350375, G02B 5172

Patent

active

043789510

ABSTRACT:
An optical wave circulator of the invention utilizes the coupled hybrid mode of split magneto-optical circular-cylindrical-transmission-line (MOTL) waves, with the biasing magnetic field applied parallel to the common axis. Coupling between waves of optical glass fiber transmission lines (GFTLs) and those of the MOTL can be made through openings of the MOTL junction. Forward-to-forward traveling wave coupling, forward-to-backward traveling wave coupling and others perform important roles in achieving circulations. Use of more than a single operating point for circulator performance can be made to obtain broadband and diplexer operations in the optical waves.

REFERENCES:
patent: 3368861 (1968-02-01), Rubinstein et al.
patent: 3633992 (1972-01-01), Uchida et al.
patent: 4274710 (1981-06-01), Nagao
patent: 4294509 (1981-10-01), Nagao

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