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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 22 — Nov. 15, 2009
  • pp: 5090–5098

Coupling Analysis of GaAs-Based Microdisk Lasers With Different External Claddings

Danyu Liu, Haroldo T. Hattori, Lan Fu, Hark Hoe Tan, and Chennupati Jagadish

Journal of Lightwave Technology, Vol. 27, Issue 22, pp. 5090-5098 (2009)


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Abstract

In this paper, we analyze the coupling of light from a GaAs microdisk laser into a waveguide. Starting from an air cladding, we examine several configurations to couple light into the waveguide with different cladding structures aimed to foster light coupling into the waveguide: photonic crystal and metallic (plasmonic cladding). In these coupling schemes, we tried to optimize the coupling of the emitted light into the waveguide, while maintaining a reasonable quality factor to allow the lasing operation of the device. We show that a plasmonic layer, introduced beside the waveguide can lead to a significant improvement in the coupling efficiency, reaching an efficiency close to 80%.

© 2009 IEEE

Citation
Danyu Liu, Haroldo T. Hattori, Lan Fu, Hark Hoe Tan, and Chennupati Jagadish, "Coupling Analysis of GaAs-Based Microdisk Lasers With Different External Claddings," J. Lightwave Technol. 27, 5090-5098 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-22-5090

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