Visualization of pulse propagation through an anomalously dispersive intracavity medium

Honam Yum; Youngjoon Jang; Selim M. Shahriar

doi:10.1117/12.880798

17 February 2011 Visualization of pulse propagation through an anomalously dispersive intracavity medium

Honam Yum, Youngjoon Jang, Selim M. Shahriar

Proceedings Volume 7949, Advances in Slow and Fast Light IV; 79490H (2011) https://doi.org/10.1117/12.880798
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

It is well-known that a transfer function method is useful to predict the profile of a pulse after it propagates through an intracavity fast-light medium. However, by using this technique, a behavior of the pulse inside the medium cannot be determined. In this paper, we describe a new theoretical approach to deal with this constraint. In the new method, we find an analytical solution for a monochromatic field of infinite spatial and temporal extents, and add the waves with the weighted amplitude and with the tailored phase to embody a Gaussian input pulse moving toward the cavity. At different time frames, the sum of these waves produces a spatial profile of the pulse before, inside and after the cavity. In particular, the pulse profile can be visualized during a superluminal propagation through the intracavity fast-light medium with zero group index. This model allows us to understand the physical process behind the superluminal propagation through a white light cavity, which is significant to realize a high bandwidth data buffer system overcoming conventional delay bandwidth product(DBP) problem.

Citation Download Citation

Honam Yum, Youngjoon Jang, and Selim M. Shahriar "Visualization of pulse propagation through an anomalously dispersive intracavity medium", Proc. SPIE 7949, Advances in Slow and Fast Light IV, 79490H (17 February 2011); https://doi.org/10.1117/12.880798

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