Injection locked dual opto-electronic oscillator

Details Injection locked dual opto-electronic oscillator Injection locked dual opto-electronic oscillator

2006-12-19

2006-12-19

Lee, John D. (Department: 2874)

Oscillators

With device responsive to external physical condition

Temperature or light responsive

C331S135000, C359S329000, C359S330000, C372S018000, C372S032000

Reexamination Certificate

active

07151415

ABSTRACT:
An injection locked dual opto-electronic oscillator having a master oscillator which generates a high Q RF output signal with a plurality of harmonic signals within a predetermined pass band. A slave oscillator has a modulation input coupled to the output signal from the master oscillator as well as an output signal. The slave oscillator has a cavity length selected to produce a single mode operation within the pass band. An electronic phase shifter in the slave oscillator is adjustable to produce constructive interference at a single harmonic of the output signal from the master oscillator and destructive interference of all other harmonics within the pass band and to bring the slave oscillator into injection locked condition with the master oscillator. Therefore the slave OEO is used as a filter for the spurious radiation generated by the master OEO and at the same time preserves the high Q of the RF carrier signal from the master OEO.

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patent: 7061335 (2006-06-01), Maleki et al.
patent: 2005/0270222 (2005-12-01), Vavik

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