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Optics Letters

Optics Letters


  • Vol. 23, Iss. 6 — Mar. 15, 1998
  • pp: 469–471

Ultrafast pulsed mode effects on the performance of grating-assisted output couplers of finite extent

Tao Liang and Richard W. Ziolkowski  »View Author Affiliations

Optics Letters, Vol. 23, Issue 6, pp. 469-471 (1998)

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The performance of grating-assisted output couplers of finite extent excited by finite ultrafast pulsed modes is characterized numerically by the finite-difference time-domain method. The results for pulsed excitations with extremely long pulse envelopes are compared with those that contain only a few optical cycles for gratings that are both long and short compared with the equivalent pulse length. We demonstrate that the shortest length of either the grating or the pulse dictates the far-field performance of the grating-assisted output couplers.

© 1998 Optical Society of america

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(130.0130) Integrated optics : Integrated optics
(230.0230) Optical devices : Optical devices
(320.0320) Ultrafast optics : Ultrafast optics

Tao Liang and Richard W. Ziolkowski, "Ultrafast pulsed mode effects on the performance of grating-assisted output couplers of finite extent," Opt. Lett. 23, 469-471 (1998)

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  1. R. Petit, Electromagnetic Theory of Gratings (Springer-Verlag, Berlin, 1980).
  2. D. Marcuse, Theory of Dielectric Optical Waveguides (Academic, Boston, Mass., 1991).
  3. A. Taflove, Computational Electrodynamics (Artech, Norwood, Mass., 1995).
  4. T. Liang and R. W. Ziolkowski, J. Lightwave Technol. 15, 1966 (1997).
  5. R. W. Ziolkowski and Liang, Opt. Lett. 22, 1033 (1997).
  6. K. Kunz and R. Lubbers, The Finite Difference Time Domain Method for Electromagnetics (CRC, Boca Raton, Fla., 1993).

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