A polymer-modified PbS quantum dot fiber amplifier excited by evanescent wave

Xiaolan Sun; Libin Xie; Wei Zhou

doi:10.1117/12.999963

27 November 2012 A polymer-modified PbS quantum dot fiber amplifier excited by evanescent wave

Xiaolan Sun, Libin Xie, Wei Zhou

Proceedings Volume 8555, Optoelectronic Devices and Integration IV; 85551L (2012) https://doi.org/10.1117/12.999963
Event: Photonics Asia, 2012, Beijing, China

Abstract

A novel polymer-modified PbS quantum dot (QD) optical fiber amplifier was proposed and demonstrated. It was fabricated by depositing a PbS QD doped film around the tapered single mode fiber (SMF) coupler. The PbS QDs were synthesized in an organic phase and then transfer into water by polymer modification. A 1550 nm semiconductor light emitting diode as the signal source and a 980 nm laser diode source as the pump were injected into the fiber coupler simultaneously. Through evanescent wave excitation, we obtained a significant gain of about 6dB within the wavelength range between 1450 and 1650 nm.

Citation Download Citation

Xiaolan Sun, Libin Xie, and Wei Zhou "A polymer-modified PbS quantum dot fiber amplifier excited by evanescent wave", Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 85551L (27 November 2012); https://doi.org/10.1117/12.999963

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