Repetition frequency scaling of an all-polarization maintaining erbium-doped mode-locked fiber laser based on carbon nanotubes saturable absorber

We demonstrate an all-polarization maintaining (PM), mode-locked erbium (Er)-doped fiber laser based on a carbon nanotubes (CNT) saturable absorber (SA). The laser resonator was maximally simplified by using only one passive hybrid component and a pair of fiber connectors with deposited CNTs. The repetition frequency (Frep) of such a cost-effective and self-starting mode-locked laser was scaled from 54.3 MHz to 358.6 MHz. The highest Frep was obtained when the total cavity length was shortened to 57 cm. The laser allows ultrashort pulse generation with the duration ranging from 240 fs to 550 fs. Because the laser components were based on PM fibers the laser was immune to the external perturbations and generated laniary polarized light with the degree of polarization (DOP) of 98.7%.

[1]  Patrick Georges,et al.  Femtosecond laser Fourier transform absorption spectroscopy. , 2007, Optics letters.

[2]  S. Choi,et al.  Pulse width shaping of passively mode-locked soliton fiber laser via polarization control in carbon nanotube saturable absorber. , 2013, Optics express.

[3]  Jaroslaw Sotor,et al.  Harmonically mode-locked Er-doped fiber laser based on a Sb2Te3 topological insulator saturable absorber , 2014 .

[4]  J.W. Nicholson,et al.  High-Repetition-Frequency Low-Noise Fiber Ring Lasers Mode-Locked With Carbon Nanotubes , 2008, IEEE Photonics Technology Letters.

[5]  Scott A. Diddams,et al.  Laser-machined ultra-high-Q microrod resonators for nonlinear optics , 2013 .

[6]  D. Mao,et al.  Flexible high-repetition-rate ultrafast fiber laser , 2013, Scientific Reports.

[7]  Jaroslaw Sotor,et al.  Scalar soliton generation in all-polarization-maintaining, graphene mode-locked fiber laser. , 2012, Optics letters.

[8]  Jaroslaw Sotor,et al.  Sub-130 fs mode-locked Er-doped fiber laser based on topological insulator. , 2014, Optics express.

[9]  R A Norwood,et al.  Label-free multi-photon imaging using a compact femtosecond fiber laser mode-locked by carbon nanotube saturable absorber. , 2013, Biomedical optics express.

[10]  Shinji Yamashita,et al.  Multi-gigahertz repetition rate passively modelocked fiber lasers using carbon nanotubes. , 2011, Optics express.

[11]  R. Osellame,et al.  Femtosecond laser micromachining : photonic and microfluidic devices in transparent materials , 2012 .

[12]  Ursula Keller,et al.  Ultrafast solid-state laser oscillators: a success story for the last 20 years with no end in sight , 2010 .

[13]  K. Itoh,et al.  All-polarization-maintaining Er-doped ultrashort-pulse fiber laser using carbon nanotube saturable absorber. , 2008, Optics express.

[14]  K. Itoh,et al.  Ultralow-repetition-rate, high-energy, polarization-maintaining, Er-doped, ultrashort-pulse fiber laser using single-wall-carbon-nanotube saturable absorber. , 2010, Optics express.

[15]  J. Limpert,et al.  Self-starting self-similar all-polarization maintaining Yb-doped fiber laser. , 2005, Optics Express.

[16]  Shinji Yamashita,et al.  10 GHz fundamental mode fiber laser using a graphene saturable absorber , 2012 .

[17]  Shuangchun Wen,et al.  Ultra-short pulse generation by a topological insulator based saturable absorber , 2012 .

[18]  M. Andrejco,et al.  A polarization maintaining, dispersion managed, femtosecond figure-eight fiber laser. , 2006, Optics express.

[19]  Zhipei Sun,et al.  Nanotube–Polymer Composites for Ultrafast Photonics , 2009 .

[20]  H. Kataura,et al.  Optical Properties of Single-Wall Carbon Nanotubes , 1999 .

[21]  A passively mode-locked fiber laser at 1.54 mum with a fundamental repetition frequency reaching 2 GHz. , 2007, Optics express.

[22]  Zhenhua Ni,et al.  Atomic‐Layer Graphene as a Saturable Absorber for Ultrafast Pulsed Lasers , 2009, 0910.5820.

[23]  J. Diels,et al.  Stabilization of femtosecond lasers for optical frequency metrology and direct optical to radio frequency synthesis. , 2001, Physical review letters.

[24]  Masataka Nakazawa,et al.  Supermode noise suppression in a harmonically modelocked fibre laser by selfphase modulation and spectral filtering , 1996 .

[25]  Shuangchun Wen,et al.  Ytterbium-doped fiber laser passively mode locked by few-layer Molybdenum Disulfide (MoS2) saturable absorber functioned with evanescent field interaction , 2014, Scientific Reports.

[26]  S. Choi,et al.  All-fiber mode-locked laser oscillator with pulse energy of 34 nJ using a single-walled carbon nanotube saturable absorber. , 2014, Optics express.

[27]  Jaroslaw Sotor,et al.  168 fs pulse generation from graphene-chitosan mode-locked fiber laser , 2014 .

[28]  Richard V. Penty,et al.  Fabrication, characterization and mode locking application of single-walled carbon nanotube/polymer composite saturable absorbers , 2008 .