期刊
OPTICS EXPRESS
卷 18, 期 6, 页码 5654-5660出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.005654
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资金
- Ministry of Education, Science and Technology [R31-2008-000-10071-0, 2009-0087691]
- National Research Foundation of Korea, Korea government (MEST) [2009-0093863]
- Ministry of Education, Science & Technology (MoST), Republic of Korea [KIOST] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2009-0087691, 2007-0093863, 2009-0093863] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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. (C) 2010 Optical Society of America
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