A PbS quantum dot polymer optical waveguide amplifier

Lugang Lan; Fufei Pang; Xiaolan Sun; Tingyun Wang

doi:10.1117/12.904201

28 November 2011 A PbS quantum dot polymer optical waveguide amplifier

Lugang Lan, Fufei Pang, Xiaolan Sun, Tingyun Wang

Proceedings Volume 8308, Optoelectronic Materials and Devices VI; 830815 (2011) https://doi.org/10.1117/12.904201
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

A polymer optical waveguide amplifier based on PbS quantum dots (QDs) is demonstrated. It is fabricated by coating PbS quantum dots film on a SU-8 optical channel waveguide. The PbS QDs are synthesized by a combined colloidal and sol-gel method. The SU-8 polymer optical channel waveguide is fabricated by using a direct ultraviolet (UV) photolithography technology. With a Wavelength Division Multiplexer (WDM), the signal and pump waves can be combined and injected into the optical channel waveguide which is covered by QDs. The optical wave interacts with the PbS QDs through evanescent wave and is amplified. By using a 10mm length waveguide, a 3.0dB gain was observed at 1310nm wavelength with 980nm pump.

Citation Download Citation

Lugang Lan, Fufei Pang, Xiaolan Sun, and Tingyun Wang "A PbS quantum dot polymer optical waveguide amplifier", Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 830815 (28 November 2011); https://doi.org/10.1117/12.904201

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