Paper Title:
Distributed Feedback Laser Using Buried Dielectric Grating
  Abstract

In this paper, we report a DFB laser diode with a buried SiO2 grating. Epitaxy lateral overgrowth by metalorganic chemical vapour deposition (MOCVD) is conducted to grow the p-type InP cladding layers in the nano-patterned dielectric grating template. The large refractive index difference between SiO2 and InP results an index coupling coefficient κ of about 250 cm-1. The fabricated DFB laser showed a side mode suppression ratio larger than 45 dB measured. The technology developed can also be used for other applications that require high efficiency grating structure.

  Info
Periodical
Edited by
S. J. CHUA, J. H. TENG, O. WADA, R. DE LA RUE and X. H. TANG
Pages
189-191
DOI
10.4028/www.scientific.net/AMR.31.189
Citation
J. H. Teng, L. F. Chong, J.R. Dong, S. J. Chua, N. S. S. Ang, Y. J. Wang, E. L. Lim, "Distributed Feedback Laser Using Buried Dielectric Grating", Advanced Materials Research, Vol. 31, pp. 189-191, 2008
Online since
November 2007
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