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

Guoping Lin; Y. Candela; O. Tillement; Zhiping Cai; V. Lefèvre-Seguin; J. Hare

doi:10.1364/OL.37.005193

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

Guoping Lin
, Y. Candela
, O. Tillement
, Zhiping Cai
, V. Lefèvre-Seguin
, J. Hare^*

^*Corresponding author for this work

UPMC, CNRS
Xiamen University
Universite Claude Bernard Lyon 1

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

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.

Original language	English
Pages (from-to)	5193-5195
Number of pages	3
Journal	Optics Letters
Volume	37
Issue number	24
DOIs	https://doi.org/10.1364/OL.37.005193
State	Published - 15 Dec 2012
Externally published	Yes

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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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AU - Candela, Y.

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AU - Cai, Zhiping

AU - Lefèvre-Seguin, V.

AU - Hare, J.

PY - 2012/12/15

Y1 - 2012/12/15

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AB - 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.

UR - https://www.scopus.com/pages/publications/84871331039

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JO - Optics Letters

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

Abstract

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