Hou, L. , Wang, W., Zhu, H., Zhou, F., Wang, L. and Bian, J. (2005) Monolithically integrated laser diode and electroabsorption modulator with dual-waveguide spot-size converter input and output. Semiconductor Science and Technology, 20(8), pp. 779-782. (doi: 10.1088/0268-1242/20/8/023)
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Abstract
We have demonstrated a 1.60 µm ridge-structure laser diode and electroabsorption modulator monolithically integrated with buried-ridge-structure dual-waveguide spot-size converters at the input and output ports for low-loss coupling to a cleaved single-mode optical fibre by means of selective area growth and asymmetric twin waveguide technologies. The devices emit in single transverse and quasi-single longitudinal modes with a side mode suppression ratio of 25.6 dB. These devices exhibit 3 dB modulation bandwidth of 15.0 GHz and modulator extinction ratios of 14.0 dB dc. The output beam divergence angles of the spot-size converter in the horizontal and vertical directions are as small as 7.3° × 10.6°, respectively, resulting in 3.0 dB coupling loss with a cleaved single-mode optical fibre.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Hou, Dr Lianping |
Authors: | Hou, L., Wang, W., Zhu, H., Zhou, F., Wang, L., and Bian, J. |
College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
Journal Name: | Semiconductor Science and Technology |
Publisher: | IOP Publishing |
ISSN: | 0268-1242 |
ISSN (Online): | 1361-6641 |
Published Online: | 27 June 2005 |
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