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학술지 Controlling Temperature Dependence of Silicon Waveguide using Slot Structure
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저자
이종무, 김덕준, 김광하, 권오균, 김갑중, 김경옥
발행일
200802
출처
Optics Express, v.16 no.3, pp.1645-1652
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.16.001645
협약과제
07MB1500, 실리콘 기반 초고속 광인터커넥션 IC, 김경옥
초록
We show that the temperature dependence of a silicon waveguide can be controlled well by using a slot waveguide structure filled with a polymer material. Without a slot, the amount of temperature-dependent wavelength shift for TE mode of a silicon waveguide ring resonator is very slightly reduced from 77 pm/°C to 66 pm/°C by using a polymer (WIR30-490) upper cladding instead of air upper cladding. With a slot filled with the same polymer, however, the reduction of the temperature dependence is improved by a pronounced amount and can be controlled down to -2 pm/°C by adjusting several variables of the slot structure, such as the width of the slot between the pair of silicon wires, the width of the silicon wire pair, and the height of the silicon slab in our experiment. This measurement proves that a reduction in temperature dependence can be improved about 8 times more by using the slot structure. © 2008 Optical Society of America.
KSP 제안 키워드
Polymer materials, Silicon waveguide, Slot waveguide, TE Mode, Temperature-dependent, Waveguide Structure, Waveguide ring resonator, several variables, silicon wire, temperature dependence, wavelength shift