Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 26, Issue 4, Pages 346-348Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2013.2293624
Keywords
Erbium-doped fiber lasers; mode-locking; ultrafast lasers; graphene oxide
Funding
- National Natural Science Foundation of China [61235010, 61177048]
- Beijing Municipal Education Commission [KZ2011100050011]
- National Science Foundation of Tianjin, China [12JCZDJC27400]
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We demonstrate the mode-locking operation in an all-polarization-maintaining (all-PM) erbium-doped fiber laser by exploiting graphene oxide saturable absorber for the first time. The self-started, environmentally stable laser directly generates linearly polarized soliton pulses of 502 fs duration at a repetition rate of 48.2 MHz with an extinction ratio of 21.3 dB. The optical spectrum centered at 1555.92 nm has 3-dB bandwidth of 6 nm. This unique combination of the all-PM configuration and the novel graphene oxide saturable absorber offers an ideal approach to fabricate a compact single-polarization femtosecond source with high environmental stability.
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