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The Control of the Oscillation Threshold with Asymmetric Gain in Operational Amplifiers

We have observed the quench of the lasing at the exceptional point in the electronic circuit system by applying asymmetric gain in the coupled oscillator. Since there is the analogy between oscillation in laser and oscilation in the operational amplifier, when the system hits the exceptional point, oscillation stops. This phenomenon is also theoretically investigated.

preprint2015arXivOpen access
Sungmook KangHeeso Noh
physics.optics
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Sungmook KangHeeso Noh

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