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Amplification by white light-emitting diode pumping of large-core Er-doped fiber with 12 dB gain.
Htein, Lin,Fan, Weiwei,Watekar, Pramod R,Han, Won-Taek Optical Society of America 2012 Optics letters Vol.37 No.23
<P>We have developed a cost-effective, high-capacity Er-doped fiber amplifier based on the high-power white LED and a large-core Er-doped fiber. Er ions of the fiber with absorption bands at 453, 488, 523, and 654 nm were simultaneously excited by LED pumping and amplification with optical gain over 12 dB at 1550 nm was obtained.</P>
Amplification at 1400–1450 nm of the Large-Core Nd-Doped Fiber by White LED Pumping
Lin Htein,Weiwei Fan,Watekar, P. R.,Won-Taek Han IEEE 2013 Photonics Technology Letters Vol.25 No.11
<P>A novel cost-effective fiber amplifier operating over 1400-1450 nm is developed based on pumping of a large-core Nd-doped fiber with a high-power white light-emitting diode (LED). An optical gain of 6 dB at 1400 nm is obtained by simultaneously exciting the multiple absorption bands in the visible wavelength of the Nd-doped fiber.</P>
A simple and reliable method to determine LP_11 cutoff wavelength of bend insensitive fiber
Watekar, Pramod R.,Ju, Seongmin,Htein, Lin,Han, Won-Taek The Optical Society 2010 Optics express Vol.18 No.13
<P>We present a simple and reliable method based on the spectral splice loss measurement to determine the cutoff wavelength of bend insensitive fiber.</P>