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Published April 26, 1993 | public
Journal Article Open

Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser


Simultaneous multiple-wavelength operation of a multistripe array grating integrated cavity laser is reported. We demonstrate simultaneous lasing from a single output port at 2, 3, and 4 discrete wavelengths, each independently selected from a comb of 9 wavelengths set at approximately 2 nm intervals, from 1512 to 1528 nm. Signal cross talk is examined for the case of two-wavelength emission and found to be independent of the wavelength separation. The emission wavelengths were linearly spaced to within +/- 0.02 nm, while the comb's central wavelength deviated by less than 2 nm from its design value. This is the highest wavelength linearity and accuracy so far recorded for a monolithic multiwavelength source.

Additional Information

Copyright © 1993 American Institute of Physics. Received 20 October 1992; accepted 1 February 1993. We thank B. Pathak and E. Goldstein for helpful discussions, P. J. Rickman for graphical assistance, and B. Pathak, D. A. Smith, S. J. B. Yoo, A. Weiner, and G.-K. Chang for the loan of equipment. One of us (K.R.P.) wishes to thank United Kingdom S.E.R.C. for financial support.


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