Journal article
Optical synchronization of millimeter-wave oscillators for distributed architecture
IEEE transactions on microwave theory and techniques, v 38(5), pp 467-476
01 May 1990
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
A review of various methods of phase and frequency synchronization of active MMIC based transmit/receive modules is presented, and particular emphasis is placed on the synchronization of oscillators through the use of an indirect subharmonic optical injection locking technique. In this approach, the nonlinear behavior of large-signal modulated laser diodes and solid-state oscillators is exploited to extend the bandwidth of the synchronizing link to the millimeter-wave frequency range. Experimental results of the phase and frequency coherency of two 21.5 GHz FET oscillators are reported. Optimum performance is achieved at a subharmonic factor of 1/4, with a locking range of 84 MHz and a phase noise degradation of only 14 dB. The phase coherency measurement of two injection-locked oscillators points to a phase shift, which is introduced as a result of the frequency detuning between the slave and master oscillator signals. A scheme to correct for this phase error is presented.
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Details
- Title
- Optical synchronization of millimeter-wave oscillators for distributed architecture
- Creators
- Afshin S. Daryoush - Drexel University
- Publication Details
- IEEE transactions on microwave theory and techniques, v 38(5), pp 467-476
- Publisher
- The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Web of Science ID
- WOS:A1990DD06000002
- Scopus ID
- 2-s2.0-0025432493
- Other Identifier
- 991019173858604721
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- Web of Science research areas
- Engineering, Electrical & Electronic