Double-frequency Brillouin fiber lasers

Single longitudinal-mode Brillouin fiber lasers are very promising for many applications, such as coherent optical communication, interferometric sensing, coherent radar detection, and microwave photonics. In the lasers with doublyresonant cavities Stokes wave is generated by a short fiber ring cavities that are simultaneously resonant for pump and Stokes radiation. Therefore, such lasers emit coherent light in two laser lines separated by the Brillouin shift. We report a simple procedure allowing precise adjustment of the Brillouin fiber ring cavities for doubly-resonant operation and demonstrate two completely passive solutions enabling perfect stabilization of such cavities for generation of doublefrequency light. In our experiments, the first laser configuration is stabilized through self-injection locking mechanism implemented to the laser cavity with DFB semiconductor pump laser. Second configuration comprises a nonlinear fiber mirror based on the population inversion dynamical gratings induced in low-absorbed Er-doped fiber. The pump-to- Stokes conversion efficiency of ~40% in both cases and the Stokes linewidth of <500Hz for the first case and < 100Hz for the second are successfully demonstrated.

[1]  J. Feinberg,et al.  40-nm-wide tunable fiber ring laser with single-mode operation using a highly stretchable FBG , 2001, IEEE Photonics Technology Letters.

[2]  Patrice Mégret,et al.  Statistical properties of stimulated Brillouin scattering in single-mode optical fibers above threshold. , 2002, Optics letters.

[3]  Patrice Mégret,et al.  Self-Q-switched Er-Brillouin fiber source with extra-cavity generation of a Raman supercontinuum in a dispersion-shifted fiber. , 2006, Optics letters.

[4]  Shibin Jiang,et al.  Highly stable low-noise Brillouin fiber laser with ultranarrow spectral linewidth , 2006, IEEE Photonics Technology Letters.

[5]  Adel A. M. Saleh,et al.  Two-stage Fabry-Perot filters as demultiplexers in optical FDMA LANs , 1989 .

[6]  Patrice Mégret,et al.  Statistical properties of stimulated Brillouin scattering in singlemode optical fibers above threshold , 2001, CLEO 2001.

[7]  Patrice Mégret,et al.  Single-mode Brillouin fiber laser passively stabilized at resonance frequency with self-injection locked pump laser , 2012 .

[8]  Yonghang Shen,et al.  Single-frequency linear cavity erbium-doped fiber laser for fiber-optic sensing applications , 2009 .

[9]  Andrei A. Fotiadi,et al.  Self-Q-switched ytterbium-doped cladding-pumped fibre laser , 2002 .

[10]  Patrice Mégret,et al.  Resonantly Induced Refractive Index Changes in Yb-doped Fibers: the Origin, Properties and Application for all-fiber Coherent Beam Combining , 2010 .

[11]  Patrice Mégret,et al.  A single-longitudinal-mode Brillouin fiber laser passively stabilized at the pump resonance frequency with a dynamic population inversion grating , 2012 .

[12]  Patrice Mégret,et al.  Dynamics of a self-Q-switched fiber laser with a Rayleigh-stimulated Brillouin scattering ring mirror. , 2004, Optics letters.

[13]  Mehdi Alouini,et al.  Experimental investigation of relative intensity noise in Brillouin fiber ring lasers for microwave photonics applications. , 2008, Optics letters.

[14]  Xiaoxia Zhang,et al.  Stable single-longitudinal-mode fiber laser using PM FBG F-P etalon and PM fiber saturable absorber , 2009 .

[15]  Ken-ichi Ueda,et al.  1083 nm single frequency ytterbium doped fiber laser , 2005 .

[16]  Serguei Stepanov,et al.  Dynamic population gratings in rare-earth-doped optical fibres , 2008 .

[17]  A. Fotiadi.  Random lasers: An incoherent fibre laser , 2010 .

[18]  H. Stadt,et al.  Multimirror Fabry–Perot interferometers , 1985 .

[19]  G. Stewart,et al.  Stable single-mode operation of a narrow-linewidth, linearly polarized, erbium-fiber ring laser using a saturable absorber , 2006, Journal of Lightwave Technology.

[20]  Sergey A. Babin,et al.  Single frequency single polarization DFB fiber laser , 2007 .

[21]  D N Payne,et al.  Stable single-frequency traveling-wave fiber loop laser with integral saturable-absorber-based tracking narrow-band filter. , 1995, Optics letters.

[22]  Harith Ahmad,et al.  Bismuth-based erbium-doped fiber as a gain medium for L-band amplification and Brillouin fiber laser , 2010 .

[23]  J P Huignard,et al.  Efficient single-mode Brillouin fiber laser for low-noise optical carrier reduction of microwave signals. , 2003, Optics letters.

[24]  A. Fotiadi,et al.  Intensity noise in SBS with injection locking generation of Stokes seed signal. , 2006, Optics express.

[25]  Patrice Mégret,et al.  Low-threshold all-fiber 1000 nm supercontinuum source based on highly non-linear fiber , 2008 .

[26]  V. V. Spirin,et al.  Optical locking of two semiconductor lasers through high-order Brillouin Stokes components in optical fiber , 2012 .

[27]  Patrice Mégret,et al.  Numerical approximation for Brillouin fiber ring resonator. , 2012, Optics express.