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Browse Journals & Magazines > Quantum Electronics, IEEE Jou ...> Volume:25 Issue:6 Help

DBR laser with nondynamic plasma grating formed by focused ion beam implanted dopants

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6 Author(s)
Boenke, M.M. ; Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA, USA ; Wu, M.C. ; Wang, Shyh ; Clark, William M.
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A static plasma grating has been demonstrated experimentally (see M.C. Wu et al., Appl. Phys. Lett., vol.53, no.4, p.265-7, 1988) in a large-optical-cavity focused-ion-beam-distributed-Bragg-reflector (FIB-DBR) GaAlAs/GaAs laser diode. The grating is formed by implanting stripes of dopants with a focused ion beam. The dopants ionize to form periodic fluctuations in the carrier concentration which, through the Kramers-Kronig relations, form an index grating. A model of the grating strength for optimization of the laser design is developed and presented. The computed results show that the coupling coefficient k can be increased by more than an order of magnitude over the 15 cm 1 experimentally. Therefore, FIB-DBR (or FIB-distributed-feedback (DFB)) lasers with performance comparable to that of conventional DBR (or DFB) lasers can be expected

Published in:
Quantum Electronics, IEEE Journal of  (Volume:25 ,  Issue: 6 )

Date of Publication: Jun 1989

Page(s):
1294 - 1302
ISSN :
0018-9197
INSPEC Accession Number:
3456658
Digital Object Identifier :
10.1109/3.29260
Product Type:
Journals & Magazines
Date of Current Version :
06 August 2002
Issue Date :
Jun 1989
Sponsored by :
IEEE Photonics Society

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