Modulation response of nanoLEDs and nanolasers exploiting Purcell enhanced spontaneous emission | Zendy

T. Suhr | Zendy; Niels Gregersen | Zendy; Kresten Yvind | Zendy; Jesper Mørk | Zendy

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Modulation response of nanoLEDs and nanolasers exploiting Purcell enhanced spontaneous emission

Author(s) -

T. Suhr,

Niels Gregersen,

Kresten Yvind,

Jesper Mørk

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.011230

Subject(s) - spontaneous emission , nanolaser , optics , purcell effect , amplified spontaneous emission , physics , modulation (music) , bandwidth (computing) , optoelectronics , laser , semiconductor laser theory , quantum optics , materials science , lasing threshold , telecommunications , computer science , acoustics

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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