Dynamics of microcavity light emitters

Brendan J. Roycroft; Thomas P. Aherne; John Hegarty; Ingrid Moerman; Peter Van Daele; Roel G. Baets

doi:10.1117/12.349254

24 May 1999 Dynamics of microcavity light emitters

Brendan J. Roycroft, Thomas P. Aherne, John Hegarty, Ingrid Moerman, Peter Van Daele, Roel G. Baets

Proceedings Volume 3611, Laser Resonators II; (1999) https://doi.org/10.1117/12.349254
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

In this paper we focus on the impact of planar microcavity structures on the spontaneous emission times and bandwidths of light emitting diodes. We compare microcavity and non- microcavity devices and show that the light extraction is ten times more efficient for the microcavity devices, while the small-signal modulation bandwidth remains unchanged. Bandwidths in excess of 1 GHz are obtained. The power- bandwidth figure of merit for the microcavity devices is thus of the order of ten times greater than for the non- microcavity devices. The role of photon-recycling on the bandwidth is investigated. It is found that no major reduction in the bandwidth occurs due to recycling for devices up to 85 micrometers in diameter.

Citation Download Citation

Brendan J. Roycroft, Thomas P. Aherne, John Hegarty, Ingrid Moerman, Peter Van Daele, and Roel G. Baets "Dynamics of microcavity light emitters", Proc. SPIE 3611, Laser Resonators II, (24 May 1999); https://doi.org/10.1117/12.349254

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