Method and apparatus for producing an optical phased array

Details Method and apparatus for producing an optical phased array Method and apparatus for producing an optical phased array

1984-04-16

1987-04-28

Moskowitz, Nelson

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

330 43, 372 18, 350 9613, H01S 310, H04B 900

Patent

active

046617868

ABSTRACT:
A method and apparatus for producing an optical phase array includes a plurality n of phase shifters associated with a plurality n of optical signals and a number (n-1) of independent feedback loops for generating electrical correction functions which are then combined through a transformation matrix of rank (n-1) or one in which the rows are linearly independent into a plurality n of phase shift signals for driving the phase shifters. Each phase shifter has its associated phase shift signal and independently modulates its optical signal to bring all of the optical signals into phase.

REFERENCES:
patent: 3691483 (1972-09-01), Klein
patent: 3727223 (1973-04-01), O'Meara
patent: 3731103 (1973-05-01), O'Meara
patent: 3764213 (1973-10-01), O'Meara
patent: 3825845 (1974-07-01), Angelbeck et al.
patent: 4163954 (1979-08-01), Hayes
patent: 4484144 (1984-11-01), Nagapome et al.

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