Targeting the huge unused bandwidth（BW）of modem telecommunication networks,Bi/Er co-doped silica optical fibers（BEDFs）have been proposed and developed for ultra-broadband,high-gain optical amplifiers covering the ...Targeting the huge unused bandwidth（BW）of modem telecommunication networks,Bi/Er co-doped silica optical fibers（BEDFs）have been proposed and developed for ultra-broadband,high-gain optical amplifiers covering the 1150-1700 nm wavelength range.Ultrabroadband luminescence has been demonstrated in both BEDFs and bismuth/erbium/ytterbium co-doped optical fibers（BEYDFs）fabricated with the modified chemical vapor deposition（MCVD）and in situ doping techniques.Several novel and sophisticated techniques have been developed for the fabrication and characterization of the new active fibers.For controlling the performance of the active fibers,post-treatment processes using high temperature,γ-radiation,and laser light have been introduced.Although many fundamental scientific and technological issues and challenges still remain,several photonic applications,such as fiber sensing,fiber gratings,fiber amplification,fiber lasers,etc.,have already been demonstrated.展开更多
基金Authors are thankful for the support of National Natural Science Foundation of China （Grant Nos. 61520106014, 61405014 and 61377096）, Key Laboratory of In-fiber Integrated Optics, Ministry Education of China, State Key Laboratory of Information Photonics and Optical Communications （Beijing University of Posts and Telecommunica- tions） （No. IPOC2016ZT07）, Key Laboratory of Optical Fiber Sensing ＆ Communications （Education Ministry of China）, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province （No. GD201702） and Science and Technology Commission of Shanghai Municipality, China （Nos. SKLSFO2015-01 and 15220721500）. We also wishes to express our thanks to all members of Photonics ＆ Optical Communications at UNSW, Prof. John Canning and Dr. Kevin Cook at University of Sydney, Prof. Graham Town at Macquarie University, and Prof. Tingyun Wang at Shanghai University for their assistance and contributions.
文摘Targeting the huge unused bandwidth（BW）of modem telecommunication networks,Bi/Er co-doped silica optical fibers（BEDFs）have been proposed and developed for ultra-broadband,high-gain optical amplifiers covering the 1150-1700 nm wavelength range.Ultrabroadband luminescence has been demonstrated in both BEDFs and bismuth/erbium/ytterbium co-doped optical fibers（BEYDFs）fabricated with the modified chemical vapor deposition（MCVD）and in situ doping techniques.Several novel and sophisticated techniques have been developed for the fabrication and characterization of the new active fibers.For controlling the performance of the active fibers,post-treatment processes using high temperature,γ-radiation,and laser light have been introduced.Although many fundamental scientific and technological issues and challenges still remain,several photonic applications,such as fiber sensing,fiber gratings,fiber amplification,fiber lasers,etc.,have already been demonstrated.
