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A thermal-optical tunable filter based on the Venier effect of cascade microring resonator, which can expand the Free-Spectrum-Range (FSR) and the tuning range, is designed and simulated. The FSR of the filter with a radius of 48 m for the first order and 50 m for the second order microring can be expanded to 76.5 nm, which is at present the largest FSR to our best knowledge. A tuning range covering all of the above mentioned FSR can be reached under 103.1 mW heating power, which is also the largest one for silicon based thermal-optic tunable microring resonator filers. The response time, calculated by finite-element-method, of the designed tunable filter with 50 m radius ring is 3.5 s for the rise edge and 0.8 s for the fall edge.
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Keywords:
- integrated optics /
- filters /
- cascade microrings
[1] Xu Q F, Fattal D, Beausoleil R G 2008 Opt. Express 16 4309
[2] Seung J C, Zhen P, Qi Y, Sang J C, Dapkus P D 2005 IEEE Photon.Technol. Lett. 17 106
[3] Jin L, LiMY, He J J 2010 CLEO/QELS, Poster Session II CJWA84
[4] Claes T, Bogaerts W, Bienstman P 2010 Opt. Express 18 22747
[5] Soref R A 1993 Proc. IEEE 81 1687
[6] Magdalena S N, Liu T, Wang X, Roberto R P 2007 Appl. Phys.Lett. 89 07110
[7] Park J, Lee T, Lee D, Kim S, HwangW, Chung Y 2008 IEEE PhotonicsTechnology Letters 20 988
[8] Lee H, Kim G, Kim S, Chung Y 2009 CLEO/Pacific Rim Shanghai,China pp1-2
[9] Xu X J, Chen S W, Yu J Z, Tu X G 2009 J. Optics A Pure andApplied Optics 11 015508
[10] Poon J K S, Scheuer J, Mookhejea S, Paloczi G T, Huang Y Y,Yariv A 2004 Opt. Express 12 90
[11] Tian H, Zhang Y D, Wang H, Qiu W, Wang N, Yuan P 2008 ActaPhys. Sin. 57 6400 (in Chinese) [田赫, 掌蕴东, 王号, 邱薇, 王楠, 袁萍 2008 57 6400]
[12] Liu Z X, Pei L, Qi C H, Peng W J, Ning T G, Zhao R F, Gao S2010 Acta Phys. Sin. 59 8615 (in Chinese) [李卓轩, 裴丽, 祁春慧, 彭万敬, 宁提纲, 赵瑞峰, 高嵩 2010 59 8615]
[13] Cocorullo G, Della Corte F G, Rendina I 1999 Appl. Phys. Lett.74 3338
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[1] Xu Q F, Fattal D, Beausoleil R G 2008 Opt. Express 16 4309
[2] Seung J C, Zhen P, Qi Y, Sang J C, Dapkus P D 2005 IEEE Photon.Technol. Lett. 17 106
[3] Jin L, LiMY, He J J 2010 CLEO/QELS, Poster Session II CJWA84
[4] Claes T, Bogaerts W, Bienstman P 2010 Opt. Express 18 22747
[5] Soref R A 1993 Proc. IEEE 81 1687
[6] Magdalena S N, Liu T, Wang X, Roberto R P 2007 Appl. Phys.Lett. 89 07110
[7] Park J, Lee T, Lee D, Kim S, HwangW, Chung Y 2008 IEEE PhotonicsTechnology Letters 20 988
[8] Lee H, Kim G, Kim S, Chung Y 2009 CLEO/Pacific Rim Shanghai,China pp1-2
[9] Xu X J, Chen S W, Yu J Z, Tu X G 2009 J. Optics A Pure andApplied Optics 11 015508
[10] Poon J K S, Scheuer J, Mookhejea S, Paloczi G T, Huang Y Y,Yariv A 2004 Opt. Express 12 90
[11] Tian H, Zhang Y D, Wang H, Qiu W, Wang N, Yuan P 2008 ActaPhys. Sin. 57 6400 (in Chinese) [田赫, 掌蕴东, 王号, 邱薇, 王楠, 袁萍 2008 57 6400]
[12] Liu Z X, Pei L, Qi C H, Peng W J, Ning T G, Zhao R F, Gao S2010 Acta Phys. Sin. 59 8615 (in Chinese) [李卓轩, 裴丽, 祁春慧, 彭万敬, 宁提纲, 赵瑞峰, 高嵩 2010 59 8615]
[13] Cocorullo G, Della Corte F G, Rendina I 1999 Appl. Phys. Lett.74 3338
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