Design of short-cavity, high-brightness 980 nm laser diodes with distributed phase correction

Zhang, Y.; Lim, J. J.; Benson, T. M.; Sewell, P.; Dods, S.; Larkins, E. C.
May 2002
Applied Physics Letters;5/13/2002, Vol. 80 Issue 19, p3506
Academic Journal
We present the design of a 980 nm short-cavity, high-brightness, laterally graded-index (GRIN) laser diode with distributed phase correction. The proposed laser consists of a feed waveguide section coupled to a GRIN waveguide region with a discretized hyperbolic-secant index profile. Detailed wide-angle two-dimensional finite-difference beam propagation method simulations show that this lateral GRIN laser will exhibit significant performance improvements over comparable tapered lasers. © 2002 American Institute of Physics.


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