Record gain of 300-nm broadband single-model Cr-doped crystalline fiber employing novel growth of smaller core

Kai-Chieh Chang; Wei-Chih Cheng; Chun-Nien Liu; Charles Tu; Tien-Tsorng Shih; Sheng-Lung Huang; Wood-Hi Cheng

doi:10.1117/12.2608937

3 March 2022 Record gain of 300-nm broadband single-model Cr-doped crystalline fiber employing novel growth of smaller core

Kai-Chieh Chang, Wei-Chih Cheng, Chun-Nien Liu, Charles Tu, Tien-Tsorng Shih, Sheng-Lung Huang, Wood-Hi Cheng

Author Affiliations +

Proceedings Volume 12028, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XI; 120280J (2022) https://doi.org/10.1117/12.2608937
Event: SPIE OPTO, 2022, San Francisco, California, United States

Conference Poster

Abstract

We demonstrate a record gain of 11.4-dB for 300-nm broadband single-mode Cr-doped crystalline core fibers (SMCDCCFs) employing a novel growth of smaller core. The gain-per-unit-length efficiency of the SMCDCCF is 38-dB/m, which is much higher than current Er and Bi-doped fibers of 0.3 dB/m. The record gain achieved is mainly due to constantly maintain conical molten-zone shape in growth process to fabricate a smaller core of 15-µm and a longer fiber length of 30-cm.

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Kai-Chieh Chang, Wei-Chih Cheng, Chun-Nien Liu, Charles Tu, Tien-Tsorng Shih, Sheng-Lung Huang, and Wood-Hi Cheng "Record gain of 300-nm broadband single-model Cr-doped crystalline fiber employing novel growth of smaller core", Proc. SPIE 12028, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XI, 120280J (3 March 2022); https://doi.org/10.1117/12.2608937

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