Abstract

Photoinduced changes in the optical properties of amorphous chalcogenide As2S3 thin films are explained by using the density matrix formalism. The treatment based on the double well potential model for a four-level system gives an improved analytic expression for nonlinear optical absorption coefficients and explicitly shows the break of reciprocity law between illumination intensity and exposure. Photodarkening and photobleaching kinetics obtained theoretically are compared with experimental results obtained in the present work.

© 1988 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Photoinduced refractive index change in As2Se3 by 633nm illumination

A. C. van Popta, R. G. DeCorby, C. J. Haugen, T. Robinson, J. N. McMullin, D. Tonchev, and S. O. Kasap
Opt. Express 10(15) 639-644 (2002)

Analysis of asymmetric Z-scan measurement for large optical nonlinearities in an amorphous As2S3 thin film

Chong Hoon Kwak, Yeung Lak Lee, and Seong Gyu Kim
J. Opt. Soc. Am. B 16(4) 600-604 (1999)

Phase conjugation in an amorphous As2S3 thin film

J. H. Kwon, C. H. Kwak, and S. S. Lee
Opt. Lett. 10(11) 568-570 (1985)

More Recommended Articles

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (5)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (36)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription