Abstract

In this paper, we have investigated experimentally measured temperature-dependent Linewidth Enhancement Factor (α) of solitary 1550 nm InAlGaAs-InP multi-quantum-well vertical-cavity surface-emitting lasers (VCSELs). The temperature effects on (α) are investigated for a temperature range of −20°C to 60°C. Comparison is made between the experimental observations and theoretical predictions of similar VCSELs and with those different in wavelength or materials or in both.

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