Harith Ahmad and Soltani, S. and Ismail, M.F. and Kishan Thambiratnam and Yi, C.W. and Moh. Yasin (2018) Characterization of light-control-light system using graphene oxide coated optical waveguide. Laser Physics, 28 (7).

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Abstract

An optical waveguide was coated with graphene oxide (GO) using the drop-casting technique to increase the interaction between the waveguide's evanescent field and the GO layer. Subsequently, a 1550 nm tunable laser source and 980 nm pump laser is used to study the potential of the GO-film to control the flow of light through the waveguide by altering the state of the waveguide between transparent (ON) and opaque (OFF). The GO layer has a thickness of 0.40 μm and allows a 1550 nm signal with a peak power of -7.0 dBm and average output power of 0 dBm to pass through at a maximum pump power of 60 mW. The waveguide has a responsivity of �0.1 dB mW-1, with the time to switch between the ON and OFF states being about 3 ms. © 2018 Astro Ltd.

Item Type:	Article
Additional Information:	cited By 2
Uncontrolled Keywords:	Evanescent fields; Graphene oxide; Light modulators; Optical waveguides; Pumping (laser), Average output power; Drop casting; Light control; Light systems; Maximum pump power; Optical power; Responsivity; Tunable laser sources, Graphene
Divisions:	Artikel Ilmiah > SCOPUS INDEXED JOURNAL
Creators:	Creators NIM Harith Ahmad UNSPECIFIED Soltani, S. UNSPECIFIED Ismail, M.F. UNSPECIFIED Kishan Thambiratnam UNSPECIFIED Yi, C.W. UNSPECIFIED Moh. Yasin UNSPECIFIED
Depositing User:	Ika Rudianto
Last Modified:	31 Dec 2020 14:24
URI:	http://repository.unair.ac.id/id/eprint/102370
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