Guidewave surface plasmon-polariton sensors

Raman Kashyap; Galina Nemova

doi:10.1117/12.812072

9 February 2009 Guidewave surface plasmon-polariton sensors

Raman Kashyap, Galina Nemova

Proceedings Volume 7218, Integrated Optics: Devices, Materials, and Technologies XIII; 72180W (2009) https://doi.org/10.1117/12.812072
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

Theoretical models of surface plasmon-polariton (SPP) refractive index sensors with Bragg grating and long period grating (LPG) are presented and comprehensively investigated for fiber and planar structures. The main principle of operation of these devices is based on high efficiency energy transfer between a guided mode propagating in a waveguide layer of the structure and counter- or co-propagating SPP supported by a metal layer separated from the waveguide layer by a buffer. The high efficiency energy transfer is realized by means of a properly designed Bragg grating or LPG imprinted in the waveguide layers of the structures or engraved on the top of the metal layer. These devices are compact, free from any moving parts and can be easily integrated into any fiber or planar schemes. Our simulations are made for telecom wavelengths in the 1500nm window.

Citation Download Citation

Raman Kashyap and Galina Nemova "Guidewave surface plasmon-polariton sensors", Proc. SPIE 7218, Integrated Optics: Devices, Materials, and Technologies XIII, 72180W (9 February 2009); https://doi.org/10.1117/12.812072

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