Optically-pumped long-wavelength vertical-cavity surface-emitting laser with high modulation bandwidth

Ramana Murty, M. V.; Xu, D.; Lin, C.-C.; Shieh, C.-L.; Tsao, J. Y.; Cheng, Julian
February 2005
Applied Physics Letters;2/7/2005, Vol. 86 Issue 6, p061108
Academic Journal
Optically-pumped long-wavelength vertical-cavity surface-emitting lasers (VCSELs) have been fabricated exhibiting more than 2 mW over 20–70 °C, and 1.25 mW at 85 °C. Small-signal modulation measurements on the VCSEL at 20 °C indicate a 3 dB bandwidth of 14.8 GHz at an output power of 2 mW. The VCSELs have a narrow spectral width suitable for data transmission over single-mode fiber. The good temperature performance of the VCSEL is maintained in a suspended configuration that would allow monolithic integration.


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