| Autor: |
Zhang, M, Kelleher, EJR, Torrisi, F, Sun, Z, Hasan, T, Popa, D, Wang, F, Ferrari, AC, Popov, SV, Taylor |
| Předmět: |
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| Popis: |
We demonstrate mode-locking of a thulium-doped fiber laser operating at 1.94 μm, using a graphene-polymer based saturable absorber. The laser outputs 3.6 ps pulses, with ~0.4 nJ energy and an amplitude fluctuation ~0.5%, at 6.46 MHz. This is a simple, low-cost, stable and convenient laser oscillator for applications where eye-safe and low-photon-energy light sources are required, such as sensing and biomedical diagnostics. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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