Liu C.-MChen Y.-HLiu C.-NSHENG-LUNG HUANGTu CCheng W.-H.2021-09-022021-09-022020https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098688814&doi=10.1109%2fOECC48412.2020.9273583&partnerID=40&md5=8a362169b9bf4fc56ed9c9899ee0ad9ahttps://scholars.lib.ntu.edu.tw/handle/123456789/581121We report gross gain of 10.7-dB for 300-nm broadband single-mode Cr-doped crystalline core fiber (SMCCDF) employing dielectric coating, thermal annealing, and polarization pumping techniques. This gross gain is the highest yet demonstrated of the SMCDCCFs. ? 2020 IEEE.Cr-doped fiber; Fiber amplifier; Fiber fabricationCoatings; Cr-doped; Crystalline core; Dielectric coatings; High quality; Pumping techniques; Single mode; Thermal-annealing; Fiber amplifiersconference paper10.1109/OECC48412.2020.92735832-s2.0-85098688814