Random Lasers with Coherent Feedback

We have demonstrated lasing with resonant feedback in active random media. Recurrent light scattering provides coherent feedback for lasing. A detailed experimental study of laser emission spectra, spatial distribution of laser intensity, dynamics, and photon statistics of random lasers with coherent feedback is presented. The fundamental difference and transition between a random laser with resonant feedback and a random laser with nonresonant feedback are illustrated. We have achieved spatial confinement of laser light in micrometer-sized random media. The optical confinement is attributed to disorder-induced scattering and interference. Using the finite-difference time-domain method, we simulate lasing with coherent feedback in active random media.

[1]  Pang,et al.  Theory of lasing in a multiple-scattering medium. , 1996, Physical review. A, Atomic, molecular, and optical physics.

[2]  Diederik S. Wiersma,et al.  Laser action in very white paint , 1997 .

[3]  A. Lagendijk,et al.  Amplifying volume in scattering media. , 1999, Optics letters.

[4]  S. John,et al.  Localization of Light , 1991 .

[5]  Robert P. H. Chang,et al.  Random laser action in semiconductor powder , 1999 .

[6]  J. Y. Xu,et al.  Transition from amplified spontaneous emission to laser action in strongly scattering media , 2000, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics.

[7]  R R Alfano,et al.  Spectral and temporal measurements of laser action of Rhodamine 640 dye in strongly scattering media. , 1994, Optics letters.

[8]  Arnold Migus,et al.  Generation of spatially incoherent short pulses in laser-pumped neodymium stoichiometric crystals and powders , 1993 .

[9]  D. Jézéquel,et al.  Submicrometer zinc oxide particles: Elaboration in polyol medium and morphological characteristics , 1995 .

[10]  Azriel Z. Genack,et al.  Dynamics of stimulated emission from random media , 1997 .

[11]  Robert P. H. Chang,et al.  Ultraviolet lasing in resonators formed by scattering in semiconductor polycrystalline films , 1998 .

[12]  R M Balachandran,et al.  Theory of laser action in scattering gain media. , 1997, Optics letters.

[13]  Vladilen S. Letokhov,et al.  Generation of Light by a Scattering Medium with Negative Resonance Absorption , 1968 .

[14]  O. Painter,et al.  Two-dimensional photonic bandgap defect laser , 1999, 1999 Digest of the LEOS Summer Topical Meetings: Nanostructures and Quantum Dots/WDM Components/VCSELs and Microcavaties/RF Photonics for CATV and HFC Systems (Cat. No.99TH8455).

[15]  A. F. J. Levi,et al.  Whispering-gallery mode microdisk lasers , 1992 .

[16]  P. Anderson.  Absence of Diffusion in Certain Random Lattices , 1958 .

[17]  Jin-Fa Lee,et al.  A perfectly matched anisotropic absorber for use as an absorbing boundary condition , 1995 .

[18]  N. Lawandy,et al.  Laser action in strongly scattering media , 1994, Nature.

[19]  R. Chang,et al.  Effect of laser intensity on the properties of carbon plasmas and deposited films , 1997 .

[20]  Roberto Righini,et al.  Localization of light in a disordered medium , 1997, Nature.

[21]  Jiang,et al.  Time dependent theory for random lasers , 2000, Physical review letters.

[22]  Xu,et al.  Spatial confinement of laser light in active random media , 2000, Physical review letters.

[23]  J. Lagemaat,et al.  Strongly photonic macroporous gallium phosphide networks , 1999, Science.

[24]  P. M. Platzman,et al.  Microwave localization by two-dimensional random scattering , 1991, Nature.

[25]  H. Inaba,et al.  Experimental studies on output, spatial, and spectral characteristics of a microdroplet dye laser containing Intralipid as a highly scattering medium , 1996 .

[26]  Allen Taflove,et al.  Subpicosecond electrodynamics of distributed Bragg reflector microlasers: Results from finite difference time domain simulations , 1996 .

[27]  Robert P. H. Chang,et al.  Microlaser made of disordered media , 2000 .

[28]  Allen Taflove,et al.  Computational Electrodynamics the Finite-Difference Time-Domain Method , 1995 .

[29]  A. Scherer,et al.  Vertical-cavity surface-emitting lasers: Design, growth, fabrication, characterization , 1991 .

[30]  Ray H. Baughman,et al.  Stimulated emission in high-gain organic media , 1999 .

[31]  García,et al.  Observation of photon localization in a three-dimensional disordered system. , 1991, Physical review letters.

[32]  D. Weitz,et al.  Internal reflection of diffusive light in random media. , 1991, Physical Review A. Atomic, Molecular, and Optical Physics.

[33]  Wolf,et al.  Weak localization and coherent backscattering of photons in disordered media. , 1985, Physical review letters.

[34]  A. Lagendijk,et al.  Observation of weak localization of light in a random medium. , 1985, Physical review letters.

[35]  H. C. Ong,et al.  FAR-FIELD CHARACTERISTICS OF RANDOM LASERS , 1999 .

[36]  D. Wiersma,et al.  Light diffusion with gain and random lasers. , 1996, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics.

[37]  Ad Lagendijk,et al.  Light scattering near the localization transition in macroporous GaP networks , 1999 .