Modulation response of nanoLEDs and nanolasers exploiting Purcell enhanced spontaneous emission

Troels Suhr Skovgård; Niels Gregersen; Kresten Yvind; Jesper Mørk

doi:10.1364/OE.18.011230

Modulation response of nanoLEDs and nanolasers exploiting Purcell enhanced spontaneous emission

Troels Suhr Skovgård, Niels Gregersen, Kresten Yvind, Jesper Mørk

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Abstract

The modulation bandwidth of quantum well nanoLED and nanolaser devices is calculated from the laser rate equations using a detailed model for the Purcell enhanced spontaneous emission. It is found that the Purcell enhancement saturates when the cavity quality-factor is increased, which limits the maximum achievable spontaneous recombination rate. The modulation bandwidth is thereby limited to a few tens of GHz for realistic devices.

Original language	English
Journal	Optics Express
Volume	18
Issue number	11
Pages (from-to)	11230-11241
ISSN	1094-4087
DOIs	https://doi.org/10.1364/OE.18.011230
Publication status	Published - 2010

Keywords

microcavity devices
semiconductor lasers
light-emitting diodes
modulation
ultrafast lasers

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10.1364/OE.18.011230

Suhr Skovgård, Optics Express, 2010Final published version, 1.54 MB

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abstract = "The modulation bandwidth of quantum well nanoLED and nanolaser devices is calculated from the laser rate equations using a detailed model for the Purcell enhanced spontaneous emission. It is found that the Purcell enhancement saturates when the cavity quality-factor is increased, which limits the maximum achievable spontaneous recombination rate. The modulation bandwidth is thereby limited to a few tens of GHz for realistic devices.",

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AU - Skovgård, Troels Suhr

AU - Gregersen, Niels

AU - Yvind, Kresten

AU - Mørk, Jesper

PY - 2010

Y1 - 2010

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AB - The modulation bandwidth of quantum well nanoLED and nanolaser devices is calculated from the laser rate equations using a detailed model for the Purcell enhanced spontaneous emission. It is found that the Purcell enhancement saturates when the cavity quality-factor is increased, which limits the maximum achievable spontaneous recombination rate. The modulation bandwidth is thereby limited to a few tens of GHz for realistic devices.

KW - microcavity devices

KW - semiconductor lasers

KW - light-emitting diodes

KW - modulation

KW - ultrafast lasers

U2 - 10.1364/OE.18.011230

DO - 10.1364/OE.18.011230

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Modulation response of nanoLEDs and nanolasers exploiting Purcell enhanced spontaneous emission

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