We demonstrate a wideband-tunable Q-switched fiber laser exploiting a graphene saturable absorber. We get ∼2 μs pulses, tunable between 1522 and 1555 nm with up to ∼40 nJ energy. This is a simple and low-cost light source for metrology, environmental sensing, and biomedical diagnostics.

Topics
Electrical properties and parameters, Metrology, Graphene, Polymers, Optical fibers, Optical resonators, Laser resonators, Lasers, Q switching, Chemical elements
© 2011 American Institute of Physics.
2011
American Institute of Physics
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