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4 March 2016 Enhancement of effective quality-factor using asymmetric Mach-Zehnder interferometer with ring resonator for optical bio and chemical sensor
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Abstract
In this paper, an effective quality-factor is analyzed for asymmetric Mach-Zehnder interferometer (AMZI) with ring resonator sensor. The device is designed with AMZI to interference with the optical input of the ring resonator based on silica semiconductor process. The design of device satisfy a critical resonance at out of phase condition through asymmetric power split ratio. According to operation principle of Mach-Zehnder interferometer, the critical resonance occurs when the power passing through asymmetric arm is in a range of ring resonator power variation. Our simulation shows that the Q-factor of the device is enhanced from 1161.9 to 5342.5 if a RR is coupled to an arm of AMZI.
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Tae-Ryong Kim, Tae-Kyeong Lee, Myung-Gi Ji, Hong-Seung Kim, Guem-Yoon Oh, Byung-Hee Son, Doo Gun Kim, Mi Jung, and Young-Wan Choi "Enhancement of effective quality-factor using asymmetric Mach-Zehnder interferometer with ring resonator for optical bio and chemical sensor", Proc. SPIE 9742, Physics and Simulation of Optoelectronic Devices XXIV, 97421J (4 March 2016); https://doi.org/10.1117/12.2212334
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