Grating-coupled surface emitters: sensitivity to length-induced phase variations

Amos A. Hardy; David F. Welch; Ross Parke; Robert G. Waarts; David G. Mehuys; William S. Streifer; Donald R. Scifres

doi:10.1117/12.18262

1 May 1990 Grating-coupled surface emitters: sensitivity to length-induced phase variations

Amos A. Hardy, David F. Welch, Ross Parke, Robert G. Waarts, David G. Mehuys, William S. Streifer, Donald R. Scifres

Proceedings Volume 1219, Laser Diode Technology and Applications II; (1990) https://doi.org/10.1117/12.18262
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

The steady-state properties of a two-gain section/three-grating surface-emitting laser are studied theoretically as a function of length-induced phase variations. In particular, the optical length of one gain section is varied with respect to the other by up to one grating period. It is found that several mode hops occur. Although the number of these can be reduced by optimizing the design, stable single-mode laser operation requires control of the optical length of each gain and grating section to better than one wavelength.

Citation Download Citation

Amos A. Hardy, David F. Welch, Ross Parke, Robert G. Waarts, David G. Mehuys, William S. Streifer, and Donald R. Scifres "Grating-coupled surface emitters: sensitivity to length-induced phase variations", Proc. SPIE 1219, Laser Diode Technology and Applications II, (1 May 1990); https://doi.org/10.1117/12.18262

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