Etch-free low loss silicon waveguides using hydrogen silsesquioxane oxidation masks
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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Yn: Optics Express, Cyfrol 19, Rhif 20, 26.09.2011, t. 18827-18832.
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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T1 - Etch-free low loss silicon waveguides using hydrogen silsesquioxane oxidation masks
AU - Nezhad, Maziar P.
AU - Bondarenko, Olesya
AU - Khajavikhan, Mercedeh
AU - Simic, Aleksandar
AU - Fainman, Yeshaiahu
PY - 2011/9/26
Y1 - 2011/9/26
N2 - An etch-free fabrication technique for creating low loss silicon waveguides in the silicon-on-insulator material system is proposed and demonstrated. The approach consists of local oxidation of a silicon-on-insulator chip covered with a e-beam patterned hydrogen silsesquioxane mask. A single oxidation step converts hydrogen silsesquioxane to a glass-like compound and simultaneously defines the waveguides, bypassing the need for any wet or dry etching steps. The spectral response of ring resonators fabricated using this technique was used to characterize the waveguide losses. Intrinsic Q-factors as high as 1.57 × 106, corresponding to a waveguide loss of 0.35dB/cm, were measured.
AB - An etch-free fabrication technique for creating low loss silicon waveguides in the silicon-on-insulator material system is proposed and demonstrated. The approach consists of local oxidation of a silicon-on-insulator chip covered with a e-beam patterned hydrogen silsesquioxane mask. A single oxidation step converts hydrogen silsesquioxane to a glass-like compound and simultaneously defines the waveguides, bypassing the need for any wet or dry etching steps. The spectral response of ring resonators fabricated using this technique was used to characterize the waveguide losses. Intrinsic Q-factors as high as 1.57 × 106, corresponding to a waveguide loss of 0.35dB/cm, were measured.
U2 - 10.1364/OE.19.018827
DO - 10.1364/OE.19.018827
M3 - Article
VL - 19
SP - 18827
EP - 18832
JO - Optics Express
JF - Optics Express
SN - 1094-4087
IS - 20
ER -