Linear Pulse Propagation in an Absorbing Medium

S. Chu and S. Wong
Phys. Rev. Lett. 48, 738 – Published 15 March 1982
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Abstract

The pulse velocity in the linear regime in samples of GaP: N with a laser tuned to the bound A-exciton line is measured with use of a picosecond time-of-flight technique. The pulse is seen to propagate through the material with little pulse-shape distortion, and with an envelope velocity given by the group velocity even when the group velocity exceeds 3×1010 cm/sec, equals±, or becomes negative. The results verify the predictions of Garrett and McCumber.

  • Received 30 November 1981

DOI:https://doi.org/10.1103/PhysRevLett.48.738

©1982 American Physical Society

Authors & Affiliations

S. Chu and S. Wong

  • Bell Laboratories, Murray Hill, New Jersey 07974

Comments & Replies

Chu and Wong Respond

S. Chu and S. Wong
Phys. Rev. Lett. 49, 1293 (1982)

Pulse Propagation in an Absorbing Medium

A. Katz and R. R. Alfano
Phys. Rev. Lett. 49, 1292 (1982)

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Vol. 48, Iss. 11 — 15 March 1982

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