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Comparison of Indirect Optical Injection Locking Techniques of Multiple X-Band Oscillators
Conference proceeding

Comparison of Indirect Optical Injection Locking Techniques of Multiple X-Band Oscillators

P Wahi, Z Turski, A.S Daryoush and P.R Herczfeld
1986 IEEE MTT-S International Microwave Symposium Digest, pp 615-618
1986

Abstract

Bandwidth Diode lasers FETs Fiber lasers Frequency synchronization High speed optical techniques Injection-locked oscillators Optical fiber couplers Optical modulation Optical sensors
Experimental results of indirect optical injection locking of two X-band oscillators are presented. Large signal modulation of the laser diode generates harmonics, which are employed to synchronize both oscillators over 110°C using an S-band master source. Both laser diode and FET oscillator nonlinearities can be exploited to achieve frequency multiplication and obtain subharmonic injection locking at X-band and above. The merits of these different methods are evaluated based on locking range and FM noise characteristics.

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