Abstract:The spectral range between 1650 and 1700 nm is an interesting region due to its potential applications in optical telecommunication and optical-based methane sensing. Unfortunately, the availability of compact and simple optical amplifiers with output powers exceeding tens of milliwatts in this spectral region is still limited. In this paper, a single-frequency continuous-wave bismuth-doped fiber amplifier (BDFA) operating at 1651 and 1687 nm is presented. With the improved signal/pump coupling and modified pu… Show more
“…In 2016, a maximum gain of 23 dB at 1710 nm with a 3-dB bandwidth of 40 nm is reported using a 50 m long of BHiGSF pumped at 1550 nm with a pump power of 300 mW [56,107]. In 2020, a single-frequency BDFA is presented using a 90 m BHiGSF with output powers of 163 mW and 197 mW operating at 1651 nm and 1687 nm, respectively [108].…”
Section: Bi-doped Fibre Amplifier With a Flat Gain Of 20 Db Operating...mentioning
“…In 2016, a maximum gain of 23 dB at 1710 nm with a 3-dB bandwidth of 40 nm is reported using a 50 m long of BHiGSF pumped at 1550 nm with a pump power of 300 mW [56,107]. In 2020, a single-frequency BDFA is presented using a 90 m BHiGSF with output powers of 163 mW and 197 mW operating at 1651 nm and 1687 nm, respectively [108].…”
Section: Bi-doped Fibre Amplifier With a Flat Gain Of 20 Db Operating...mentioning
“…The emerging and fast-growing field of ChG MFs in mid-IR optics and applications is reviewed in [1]. Bismuth-doped fiber power amplifier is developed to cover the spectral range of 1650-1700 nm, which is unavailable with rare-earth-doped fibers, enabling applications in optical telecommunication and optical-based methane sensing [2].…”
Novel specialty optical fibers refer to optical fibers that have been engineered in terms of design, material and structure, and have been post-processed for novel functionalities and applications [...]
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