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Time-resolved lasing action from single and coupled photonic crystal nanocavity array lasers emitting in the telecom band

J. Appl. Phys. 105, 093110 (2009); doi:10.1063/1.3116563

Published 7 May 2009

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Dirk Englund,1 Hatice Altug,2 and Jelena Vučković1
1Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA
2Department of Electrical and Computer Engineering, Boston University, Boston, Massachusetts 02215, USA
We measure the lasing dynamics of single and coupled photonic crystal nanocavity array lasers fabricated in the indium gallium arsenide phosphide material system. Under short optical excitation, single cavity lasers produce pulses as fast as 11  ps (full width at half maximum), while coupled cavity lasers show significantly longer lasing duration which is not explained by a simple rate equation model. A finite difference time domain simulation including carrier gain and diffusion suggests that asynchronous lasing across the nanocavity array extends the laser's pulse duration. ©2009 American Institute of Physics
History: Received 20 December 2008; accepted 12 March 2009; published 7 May 2009
Permalink: http://link.aip.org/link/?JAPIAU/105/093110/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.55.Px
    Semiconductor lasers; laser diodes
  • 42.55.Tv
    Photonic crystal lasers and coherent effects
  • 42.65.Re
    Ultrafast processes; optical pulse generation and pulse compression
  • 42.70.Qs
    Photonic bandgap materials
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
0021-8979 (print)   1089-7550 (online)
Publisher:
AIP is a member of CrossRef AIP

REFERENCES (27)
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