Integrated surface plasmon resonance array sensor using semiconductor optical amplifier

Geum-Yoon Oh; Doo-Gun Kim; Hong-Seung Kim; Tae-Kyeong Lee; Byeong-Hyeon Lee; Young-Wan Choi

doi:10.1117/12.907860

2 February 2012 Integrated surface plasmon resonance array sensor using semiconductor optical amplifier

Geum-Yoon Oh, Doo-Gun Kim, Hong-Seung Kim, Tae-Kyeong Lee, Byeong-Hyeon Lee, Young-Wan Choi

Proceedings Volume 8264, Integrated Optics: Devices, Materials, and Technologies XVI; 82641B (2012) https://doi.org/10.1117/12.907860
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

An integrated surface plasmon resonance (SPR) array sensor using wideband sources and a different incident angle with a single fluidic channel in order to increase the sensitivity is proposed and analyzed. The SPR reflectance was analyzed using the finite-difference time-domain gaussian source method. The maximum difference is shown at the incident angle of 24.6°. The sensitivity of the resonance shift used to change the refractive index of 1x10^-3 is 51000 nm/RIU at the wavelength interrogation. The extremely small integrated SPR array sensor is a very attractive component because of its promise of a high level of sensitivity, its easy measurement process, and its ease of integration into a sensor system.

Citation Download Citation

Geum-Yoon Oh, Doo-Gun Kim, Hong-Seung Kim, Tae-Kyeong Lee, Byeong-Hyeon Lee, and Young-Wan Choi "Integrated surface plasmon resonance array sensor using semiconductor optical amplifier", Proc. SPIE 8264, Integrated Optics: Devices, Materials, and Technologies XVI, 82641B (2 February 2012); https://doi.org/10.1117/12.907860

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KEYWORDS

Sensors

Waveguides

Refractive index

Mirrors

Reflectivity

Surface plasmons

Finite-difference time-domain method

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