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Two-Frequency Lasers: from Excess Quantum Noise to RF Photonics Applications

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Alouini M., Bretenaker F., Brunel M., Chauvat D., Emile O., Lai N., Le Floch A., Ropars G., Vallet M.

Acta Physica Polonica A

2002

vol. 101

issue 1

7-20

We illustrate the physics of two-frequency lasers by two examples. The first example illustrates the fundamental consequences of the existence of two eigenstates on the laser line width. We indeed show experimentally that the non-orthogonality of these two eigenstates results in an increase in the laser quantum noise. We also give a physical explanation of this vectorial excess noise factor. The second example illustrates the capabilities of two-frequency lasers in terms of applications. In the domain of RF frequency generation by optical means, we show how a pulsed two-frequency source can be built for lidar-radar applications and pulsed RF frequency generation.

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1 Acta Physica Polonica A

1 2002

1 Alouini M.

1 Bretenaker F.

1 Brunel M.

1 Chauvat D.

1 Emile O.

1 Lai N.

1 Le Floch A.

1 Ropars G.

1 Vallet M.

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Two-Frequency Lasers: from Excess Quantum Noise to RF Photonics Applications