Ultra-fast bandgap photonics in mid-IR wavelengths

Ultrafast bandgap photonics in mid-infrared is an exciting area of nonlinear photonics, which shows different ultrafast damage characteristics of solids compared to that in near-infrared fields. It allows periodic surface nano-structures formation in low bandgap materials like germanium. Ultrafast mid-infrared field interaction at 2 micron wavelength with non-linear photonic crystal results in generation of high efficiency harmonic generation up to sixth harmonic.

[1]  M. Murnane,et al.  Bright Coherent Ultrahigh Harmonics in the keV X-ray Regime from Mid-Infrared Femtosecond Lasers , 2012, Science.

[2]  Chunlei Guo,et al.  Direct femtosecond laser surface nano/microstructuring and its applications , 2013 .

[3]  Razvan Stoian,et al.  Ultrashort-laser-pulse damage threshold of transparent materials and the role of incubation , 1999 .

[4]  Zhiyuan Li,et al.  Multiple shape light sources generated in LiNbO3 nonlinear photonic crystals with Sierpinski fractal superlattices , 2015 .

[5]  John E. Sipe,et al.  Laser-Induced Periodic Surface Structure on Solids: A Universal Phenomenon , 1982 .

[6]  Perry,et al.  Nanosecond-to-femtosecond laser-induced breakdown in dielectrics. , 1996, Physical review. B, Condensed matter.

[7]  A. Borowieca,et al.  Subwavelength ripple formation on the surfaces of compound semiconductors irradiated with femtosecond laser pulses , 2003 .

[8]  J. D. Joannopoulos,et al.  Enhancement of nonlinear effects using photonic crystals , 2004, Nature materials.

[9]  J. Reif,et al.  Genesis of femtosecond-induced nanostructures on solid surfaces. , 2014, Applied optics.

[10]  Enam Chowdhury,et al.  Measurement of femtosecond laser damage thresholds at mid IR wavelengths , 2014, Laser Damage.

[11]  Harry A. Atwater,et al.  Low-Loss Plasmonic Metamaterials , 2011, Science.

[12]  Kai Starke,et al.  On the damage behavior of dielectric films when illuminated with multiple femtosecond laser pulses , 2005 .

[13]  G. Shvets,et al.  Laser induced periodic surface structure formation in germanium by strong field mid IR laser solid interaction at oblique incidence. , 2015, Optics express.

[14]  Razvan Stoian,et al.  Surface damage threshold and structuring of dielectrics using femtosecond laser pulses: the role of incubation , 1999 .

[15]  S. Diddams,et al.  Broadband Mid-IR Standoff Spectroscopy of Explosives with a Femtosecond Optical Parametric Oscillator , 2012 .

[16]  Hugo Pires,et al.  Ultrashort pulse generation in the mid-IR , 2015 .

[17]  R. Soref.  Mid-infrared photonics in silicon and germanium , 2010 .