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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.3
- 수록면
- 13 - 18 (6page)
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초록· 키워드
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We numerically investigate by the finite-difference time-domain method the effects of surface termination on directional emission exiting a photonic crystal waveguide. The directed power and far-field beam profile for the original proposal [E. Moreno et al., Phys. Rev. B 69, 121402 (2004)] and its enhancement [S. K. Morrison et al., Appl. Phys. Lett. 86, 081110 (2005)] are computed for different values of some important parameters. We find another surface termination condition with a positive surface displacement in the structure of the original proposal which has a negative surface displacement. Our surface termination is more effective than the original structure, and nearly as effective as the termination for the enhancement, for directional emission. Besides, our termination is simpler than that for the enhancement. We confirm the effectiveness of directional emission from our termination in its far-field beam profile, radiation intensity distribution, and additionally the wave-vector space representation y the Fourier analysis.
목차
I. INTRODUCTION
II. MODEL AND METHODS OF COMPUTATION
III. RESULTS AND DISCUSSION
V. CONCLUSION
ACKNOWLEDGEMENT
REFERENCES
참고문헌 (23)
참고문헌 신청
H.J. Lezec / 2002 / Beaming light from a subwavelength aperture / Science 297(5582):820~822
L. Martin-Moreno / 2003 / Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations / Phys. Rev. Lett 90(16):167401~11674014
E. Moreno / 2004 / Enhanced transmission and beaming of light via photonic crystal surface modes / Phys. Rev. B 68(12):1214021~1214024
P. Kramper / 2004 / Highly directional emission from photonic crystal waveguides of subwavelength width / Phys. Rev. Lett 92(11):1139031~1139034
E. Moreno / 2004 / Efficient coupling of light into and out of a photonic crystal waveguide via surface modes / Photonics Nanostruc. - Fundamen. Appl 2(2):97~102
L. Martin-Moreno / 2003 / Theory of highly directional emission from a single subwavelength aperture surrounded by surface corrugations / Phys. Rev. Lett 90(16):167401~11674014
E. Moreno / 2004 / Enhanced transmission and beaming of light via photonic crystal surface modes / Phys. Rev. B 68(12):1214021~1214024
P. Kramper / 2004 / Highly directional emission from photonic crystal waveguides of subwavelength width / Phys. Rev. Lett 92(11):1139031~1139034
E. Moreno / 2004 / Efficient coupling of light into and out of a photonic crystal waveguide via surface modes / Photonics Nanostruc. - Fundamen. Appl 2(2):97~102
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UCI(KEPA) : I410-ECN-0101-2009-425-016485092