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Universal rule for determining the critical temperature in the high-temperature characteristics of quantum well lasers operating at 1.3 /spl mu/m

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2 Author(s)
S. Seki ; NTT Opto-Electron. Labs., Kanagawa, Japan ; K. Yokoyama

We derive a universal rule for determining the critical temperature (T/sub c/) of 1.3-/spl mu/m quantum-well (QW) lasers on the basis of Landau theory of second-order phase transition. We demonstrate that, contrary to expectations, an optimum well depth, which brings about the maximum T/sub c/, depends on a given cavity loss. The maximum T/sub c/'s possible for InGaAsP and AlGaInAs QW lasers are also demonstrated.

Published in:

Semiconductor Laser Conference, 1998. ISLC 1998 NARA. 1998 IEEE 16th International

Date of Conference:

4-8 Oct. 1998