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Lasing on scar modes in fully chaotic microcavities.

Takahisa Harayama¹, Tekehiro Fukushima, Peter Davis

¹ATR Adaptive Communications Research Laboratories, 2-2-2 Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0228, Japan.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|March 15, 2003

Summary

Researchers numerically obtained scar wave functions in chaotic cavities using an extended Fox-Li method. Lasing on these scar modes was observed in semiconductor microcavities by controlling current injection electrodes.

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Area of Science:

Quantum mechanics
Optics
Condensed matter physics

Background:

Scar wave functions are unique quantum states in chaotic systems.
Semiconductor microcavities are key for studying light-matter interactions.

Purpose of the Study:

To numerically obtain scar wave functions in fully chaotic cavities.
To experimentally observe lasing on scar modes in semiconductor microcavities.

Main Methods:

Extended Fox-Li method for numerical simulation of scar wave functions.
Selective excitation of scar modes using shaped electrodes for current injection in microcavities.

Main Results:

Successfully obtained scar wave functions numerically.

Related Experiment Videos

Observed lasing phenomena associated with specific scar modes in semiconductor microcavities.

Conclusions:

Demonstrated the existence and controllability of scar modes in chaotic cavities.
Showcased potential for controlling lasing in semiconductor microcavities via scar mode excitation.