Extremely high Q and unidirectional laser emission due to combination of the Kolmogorov-Arnold-Moser barrier and the chaotic sea in a dielectric microdisk
Emission characteristics of an oval-shaped microcavity laser are studied. In experiments, modes localized on periodic orbits emit unidirectionally with a narrow in-plane divergence angle of about 12 deg. The origin of high directionality is elucidated by means of classical ray dynamics. Wave calcula...
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| Veröffentlicht in: | Optics letters 2018-12, Vol.43 (24), p.6097-6100 |
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| container_end_page | 6100 |
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| container_issue | 24 |
| container_start_page | 6097 |
| container_title | Optics letters |
| container_volume | 43 |
| creator | Lee, Ji-Won Yi, Chang-Hwan Lee, In-Goo Kim, Ji-Hwan Yu, Hyeon-Hye Oh, Kwang-Ryong Kim, Chil-Min |
| description | Emission characteristics of an oval-shaped microcavity laser are studied. In experiments, modes localized on periodic orbits emit unidirectionally with a narrow in-plane divergence angle of about 12 deg. The origin of high directionality is elucidated by means of classical ray dynamics. Wave calculations show that the Q-factors of the resonances are higher than 10
. We explain this extraordinary high Q-factor in relation with a dynamical barrier region where Kolmogorov-Arnold-Moser curves significantly obstruct leakages of resonances. |
| doi_str_mv | 10.1364/OL.43.006097 |
| format | Article |
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| identifier | ISSN: 0146-9592 |
| ispartof | Optics letters, 2018-12, Vol.43 (24), p.6097-6100 |
| issn | 0146-9592 1539-4794 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2157656584 |
| source | OSA Publishing |
| subjects | Divergence Emission analysis Orbits |
| title | Extremely high Q and unidirectional laser emission due to combination of the Kolmogorov-Arnold-Moser barrier and the chaotic sea in a dielectric microdisk |
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