Volume 7 Issue 3
Jun.  2014
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Article Contents
CUI Nai-di, KOU Jie-ting, LIANG Jing-qiu, WANG Wei-biao, GUO Jin, FENG Jun-bo, TENG Jie, CAO Guo-wei. Athermal biosensor based on three waveguide micro-ring resonators[J]. Chinese Optics, 2014, 7(3): 428-434. doi: 10.3788/CO.20140703.0428
Citation: CUI Nai-di, KOU Jie-ting, LIANG Jing-qiu, WANG Wei-biao, GUO Jin, FENG Jun-bo, TENG Jie, CAO Guo-wei. Athermal biosensor based on three waveguide micro-ring resonators[J]. Chinese Optics, 2014, 7(3): 428-434. doi: 10.3788/CO.20140703.0428

Athermal biosensor based on three waveguide micro-ring resonators

doi: 10.3788/CO.20140703.0428
  • Received Date: 21 Dec 2013
  • Rev Recd Date: 23 Feb 2014
  • Publish Date: 25 May 2014
  • Considering the influence of the temperature fluctuation on the detection performance of the biosensor, the athermal biosensor based on three waveguide micro-ring resonators is proposed in this paper. The resonant wavelengths of the three parallel rings are 1 500 nm, 1 550 nm and 1 580 nm respectively. Two of the rings are utilized as the sensing resonator, and the other one is used as the alternate resonator. Because the resonant wavelengths of the three rings are different, the temperature influence term can be eliminated through computation, and as a result, the athermal bio-sensing is realized. Compared to the existing method, the scheme we proposed shows the following advantages:the unlimited use of the fabricated material, a higher integration level and a higher stability due to the introduction of the standby micro-rings which can avoid the case that the biosensor can not work when partial micro-rings work under a disorder.


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