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Thermal bistability-based method for real-time optimization of ultralow-threshold whispering gallery mode microlasers

arXiv
Authors: Guoping Lin, Y. Candela, O. Tillement, Zhiping Cai, V. Lefèvre-Seguin, J. Hare

Year

2015

Paper ID

26963

Status

Preprint

Abstract Read

~2 min

Abstract Words

73

Citations

N/A

Abstract

A method based on thermal bistability for ultralow-threshold microlaser optimization is demonstrated. When sweeping the pump laser frequency across a pump resonance, the dynamic thermal bistability slows down the power variation. The resulting line shape modification enables a real-time monitoring of the laser characteristic. We demonstrate this method for a functionalized microsphere exhibiting a submicrowatt laser threshold. This approach is confirmed by comparing the results with a step-by-step recording in quasi-static thermal conditions.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • A method based on thermal bistability for ultralow-threshold microlaser optimization is demonstrated.

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