本文為研究內含光纖光柵非對稱性共振腔雷射，並結合微環共振器的光濾波器所組成一分波多工之光學生物感測系統。我們利用共振腔原理設計了一個非對稱性之共振腔體，產生多波長的單模雷射之簡易實用的分波多工系統之訊號源。此外，我們模擬應用微環共振器的光濾波器特性，在環形波導區域，利用生物物質之折射率變化，藉此從波導的輸出端擷取出不同的特定信號，並於此論文中，設計微環形共振腔的幾何結構，對於其不同共振波長的影響且找出不同波長之最適合波導參數，並探討其感測功率靈敏度之分析。

In this thesis, we establish WDM light source and design the silicon-on-insulator (SOI) waveguide microring cavity structures and combine these two parts to achieve a bio-sensing system.
An 1.5 μm SOA, 1×4 channel WDM MUX/DeMUX, 50:50 2×2 fiber couplers are used to achieve a WDM symmetric resonator laser. By combining the resonator laser and fiber gratings together, we can provide a well performance multi-level WDM light source. Besides, we design a microring structures for the sensor array. By injecting the different bio-fluid, the refractive index of coverd waveguide can be changed. The particular wavelength which can be droped through the micoring resonators. Based on the characteristics of index sensing, it shows the possibility for optical biosensor.
The suitable parameters of the micoring resonator for different wavelength and the transmission status are discussed in the thesis. We estimated the output transitivity (out port) of the microring resonator by using the Finite Difference Time Domain (FDTD) method. The path loss and SNR were calculated by employing the FDTD method and the coupling efficiency between ring and bus waveguides were estimated by using the FDTD method. In this thesis , we also design the geometric structure of resonance cavity to see different resonances and find out suitable parameters for waveguide and analyze the sensitivity of detecting power.

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