TARA: Small-signal analysis of 1.3/spl mu/m microcavity light-emitting diodes

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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/435

Title:	Small-signal analysis of 1.3/spl mu/m microcavity light-emitting diodes
Author:	HEGARTY, JOHN
Author's Homepage:	http://people.tcd.ie/jhegarty
Keywords:	carrier density current density infrared sources light emitting diodes micro-optics micromechanical resonators optical resonators
Issue Date:	1999
Citation:	Landais, P.; Roycroft, B.; Shaw, A.; Depreter, B.; Moerman, I.; Hegarty, J.;, Small-signal analysis of 1.3/spl mu/m microcavity light-emitting diodes, IEEE Photonics Technology Letters, 11, 11, 1999, 1342, 1344
Series/Report no.:	IEEE Photonics Technology Letters 11 11
Abstract:	THE MODULATION SPEED OF 1.3-MU M MICROCAVITY LIGHT-EMITTING DIODES (MCLED'S) HAS BEEN MEASURED USING A SMALL-SIGNAL MODULATION ANALYSIS, A SPEED OF 260 MHZ USING A 25-MU M DIAMETER SAMPLE AT CURRENT DENSITY OF 10 KA/CM(2) HAS BEEN ACHIEVED, THE CARRIER CONFINEMENT HAS BEEN CALCULATED FOR SEVERAL CARRIER DENSITIES IN ORDER TO INVESTIGATE THE ORIGIN OF THE SPEED LIMITATION. BY COMPARING THE PERFORMANCE OF THE 1.3-MU M MCLED'S WITH THAT OF THE 990-NM DEVICES WE CONCLUDE THAT THE LIMITING FACTOR ON THE SPEED SEEMS TO BE A LACK OF CARRIER CONFINEMENT IN THE QUANTUM WELLS AND NOT A CAVITY EFFECT.
Description:	PUBLISHED
URI:	http://hdl.handle.net/2262/435
Related links:	http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=00803039
Appears in Collections:	Administrative Staff Authors (Scholarly Publications) Physics (Scholarly Publications)

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