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Optical Millimeter-wave Signal Generation using Injection Locking Scheme  

Kim, Jung-Tae (Dept.of It Engineering, Mokwon University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.7, no.5, 2003 , pp. 1076-1081 More about this Journal
Abstract
A new technique for generating millimeter-wave signals from a semiconductor laser is presented. The method multiples the signal frequency by using optical injection of short optical pulses at a sub-harmonic of the cavity round-trip frequency to drive the laser oscillating at its resonant frequency. A 32GHz signal is generated using a multisection semiconductor laser operated under continuous wave conditions, by injection optical pulses at a repetition rate equal to the fourth subhamonic(8GHz). The generated millimeter-wave signal exhibits a large submamonic suppression ratio(＞17 dB), large frequency detuning range (>300 MHz) low levels of phase-noise(-77.5 dBc/Hz), and large locking (>400 MHz)
Keywords
Frequency detuning; Optical injection locking;
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  • Reference
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