Optical short pulse switching characteristics of ring resonators

Abstract The nonlinear optical transmission of an optical ring resonator (ORR) operating in the soliton regime is investigated numerically. The transmission and the average compression factor of the switched pulses are analyzed. We present results of the study of the transmission characteristics of short optical pulses in an optical ring resonator. We show that the loss in the waveguide is leading to a decrease of the ORR transmission of short pulses. The use of a linear increase profile of the nonlinear index of refraction is leading to pulse compression or broadening, depending on the pump power. Operating the ORR at higher pump powers makes the compression factor to values around one. This is an indication that the switched pulse has the same time duration of the input pulse. For this configuration we can recover the ORR transmission, associated to the lossless configuration, and the switched pulse present the same time duration of the input pulse. The results are related to the recovery of the lossless optical characteristics of the ORR. The transmission characteristics and optical pulse shaping of the ORR will be of interest in future optical circuits applications.

[1]  Larry R. Dalton,et al.  Polymer micro-ring filters and modulators , 2002 .

[2]  K. Ikeda.  Multiple-valued stationary state and its instability of the transmitted light by a ring cavity system , 1979 .

[3]  H. J. Shaw,et al.  Sensitive all-single-mode-fiber resonant ring interferometer , 1983 .

[4]  Govind P. Agrawal,et al.  Nonlinear Fiber Optics , 1989 .

[5]  Coherence effect on nonlinear dynamics in fiber-optic ring resonator , 2001 .

[6]  S. Chu,et al.  Filter synthesis for periodically coupled microring resonators. , 2000, Optics letters.

[7]  K. Ogusu.  Dynamic behavior of reflection optical bistability in a nonlinear fiber ring resonator , 1996 .

[8]  P.-T. Ho,et al.  All-optical nonlinear switching in GaAs-AlGaAs microring resonators , 2002, IEEE Photonics Technology Letters.

[9]  H J Shaw,et al.  All-single-mode fiber resonator. , 1982, Optics letters.

[10]  S. P. Smith,et al.  Stimulated Brillouin fiber-optic laser gyroscope. , 1991, Optics letters.

[11]  Michael Hamacher,et al.  Optical filters based on ring resonators with integrated semiconductor optical amplifiers in GaInAsP-InP , 2002 .

[12]  L. Larger,et al.  Chaotic oscillations of the optical phase for multigigahertz-bandwidth secure communications , 2004, IEEE Journal of Quantum Electronics.

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

[14]  Francis T. S. Yu,et al.  Fiber Optic Sensors , 2002 .

[15]  P. Dapkus,et al.  Vertically coupled InP microdisk switching devices with electroabsorptive active regions , 2002, IEEE Photonics Technology Letters.

[16]  K. Ikeda,et al.  Optical Turbulence: Chaotic Behavior of Transmitted Light from a Ring Cavity , 1980 .

[17]  R.M. Osgood,et al.  Fundamental limitations of optical resonator based high-speed EO modulators , 2002, IEEE Photonics Technology Letters.