Abstract
Self-pumped optical phase conjugation has been demonstrated for the first time to our knowledge in a resonant atomic system. This process was implemented by using a single cw pump beam to excite a sodium-vapor oscillator. The counterpropagating optical fields inside this oscillator then combine with the pump beam in an internal four-wave-mixing interaction to yield the phase conjugate of the incident (pump) beam.
© 1989 Optical Society of America
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