期刊
LASER PHYSICS LETTERS
卷 12, 期 4, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1612-2011/12/4/045105
关键词
mode-locking; gold nanorods; fiber laser
资金
- NSFC [60908001, 61077033, 61378004, 60908031, 11274139, 11474132]
- Program for NCET in University [NCET-08-0243]
- State Key Laboratory on Integrated Optoelectronics
- Tsinghua National Laboratory for Information Science and Technology (TNList) Cross-discipline Foundation
We demonstrated a passively mode-locked fiber laser operating at 1982 nm by using a gold nanorods (GNRs) saturable absorber (SA). The GNRs SA was fabricated by mixing GNRs with sodium carbonxymethyl cellulose. By inserting the GNRs SA into a Tm-doped fiber laser cavity pumped by a 1570 nm fiber laser, stable passively mode-locking was achieved with a threshold pump power of 224 mW, similar to 4.02 ps pulses at 1982 nm with a repetition rate of similar to 37.49 MHz, and a maximum average power of similar to 6 mW was obtained for a pump power of similar to 265 mW.
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