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Proceedings Paper

Very high modulation efficiency two-sections tapered laser diode at 1060nm for free space optical communications
Author(s): M. Ruiz; N. Michel; M. Calligaro; Y. Robert; M. Lecomte; O. Parillaud; M. Krakowski; I. Esquivias; H. Odriozola; J. M. G. Tijero; C. H. Kwok; R. V. Penty; I. H. White
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Paper Abstract

High-power (more than 500 mW) and high-speed (more than 1 Gbps) tapered lasers at 1060 nm are required in freespace optical communications and (at lower frequencies of around 100 MHz) display applications for frequency doubling to the green. On a 3 mm long tapered laser, we have obtained an open eye diagram at 1 Gbps, together with a high extinction ratio of 11 dB, an optical modulation amplitude of 530 mW, and a high modulation efficiency of 13 W/A. On a 4 mm-long tapered laser, we have obtained an open eye diagram at 700 Mbps, together with a high extinction ratio of 19 dB, a high optical modulation amplitude of 1.6 W, and a very high modulation efficiency of 19 W/A. On a 6 mm-long tapered laser, we have obtained a very high power of 5W CW and a very high static modulation efficiency of 59.8 W/A.

Paper Details

Date Published: 16 February 2011
PDF: 14 pages
Proc. SPIE 7953, Novel In-Plane Semiconductor Lasers X, 79531C (16 February 2011); doi: 10.1117/12.873560
Show Author Affiliations
M. Ruiz, Alcatel-Thales III-V Lab. (France)
N. Michel, Alcatel-Thales III-V Lab. (France)
M. Calligaro, Alcatel-Thales III-V Lab. (France)
Y. Robert, Alcatel-Thales III-V Lab. (France)
M. Lecomte, Alcatel-Thales III-V Lab. (France)
O. Parillaud, Alcatel-Thales III-V Lab. (France)
M. Krakowski, Alcatel-Thales III-V Lab. (France)
I. Esquivias, Univ. Politécnica de Madrid (Spain)
H. Odriozola, Univ. Politécnica de Madrid (Spain)
J. M. G. Tijero, Univ. Politécnica de Madrid (Spain)
C. H. Kwok, Univ. of Cambridge (United Kingdom)
R. V. Penty, Univ. of Cambridge (United Kingdom)
I. H. White, Univ. of Cambridge (United Kingdom)

Published in SPIE Proceedings Vol. 7953:
Novel In-Plane Semiconductor Lasers X
Alexey A. Belyanin; Peter M. Smowton, Editor(s)

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