2010
DOI: 10.1364/oe.18.005654
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One-dimensional parabolic-beam photonic crystal laser

Abstract: We report one-dimensional (1-D) parabolic-beam photonic crystal (PhC) lasers in which the width of the PhC slab waveguide is parabolically tapered. A few high-Q resonant modes are confirmed in the vicinity of the tapered region where Gaussian-shaped photonic well is formed. These resonant modes originate from the dielectric PhC guided mode and overlap with the gain medium efficiently. It is also shown that the far-field radiation profile is closely associated with the symmetry of the structural perturbation.

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Cited by 86 publications
(40 citation statements)
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“…To achieve a high-Q nanocavity, five additional holes were can be obtained. In [12,14], quadratic tapering of PC nanobeam width was used to form the defect. In the paper [12], for a nanocavity with a length of 60 periods of the PC, the relation ( ) 120 x x ≈ γ was implemented.…”
Section: Simulationmentioning
confidence: 99%
“…To achieve a high-Q nanocavity, five additional holes were can be obtained. In [12,14], quadratic tapering of PC nanobeam width was used to form the defect. In the paper [12], for a nanocavity with a length of 60 periods of the PC, the relation ( ) 120 x x ≈ γ was implemented.…”
Section: Simulationmentioning
confidence: 99%
“…Для изготовления массива вторых компонентов достаточно использования од-ноэкспозиционной ИЛ. Возможность использования ИЛ является преимуществом предложенной в данной работе структуры перед структурами, рассмотренны-ми в работах [12,14].…”
Section: рис 4 зависимость добротности резонатора от параметра эллиunclassified
“…Хоро-шее соответствие между распределениями E y и анали-тической функцией свидетельствует о гауссовой фор-ме огибающей резонансной моды. Полагая линейной зависимость γ от x, можно получитьВ работах [12,14] для формирования резонатора использовалось варьирование ширины ФК-волновода по квадратичному закону. Для резонатора длиной 60 ФК периодов в работе [12] была реализована зависи-мость γ(x) ≈ x/120.…”
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