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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/16980

Title: Experimental investigation of polarisation rotation in semiconductor optical amplifiers
Author: BRADLEY, LOUISE
Kennedy, B. F.
Philippe, S.
Landais, P.
Soto, H.
Sponsor: Irish Research Council for Science Engineering and Technology
Enterprise Ireland
Author's Homepage: http://people.tcd.ie/bradlel
Keywords: polarisation rotation
Issue Date: 2004
Publisher: IEEE
Citation: Kennedy, B. and Philippe, S. and Landais, P. and Bradley, A. L. and Soto, H. ' Investigation of polarization rotation in semiconductor optical amplifiers' in Semiconductor Optoelectronics, 151, (2), 2004, pp. 114 – 118.
Series/Report no.: 151
2
Abstract: An experimental study of polarisation rotation in a semiconductor optical amplifier is presented. Two techniques are used to investigate the gain and birefringence along the two eigenmodes of the component waveguide, with and without injection. The first investigation is based on the residual reflectivity of the facet mirrors. From the modulation depth of polarisation resolved spectra, the gain and the refractive indices of these modes are determined. The second investigation takes into account the variation of the eigenmode gain and refractive indices as a function of injected power over the range 83.3 to 413 /spl mu/W. The results of these two experiments are compared, and it is determined that the refractive index and the single-pass gain along the horizontal axis of the waveguide are higher than those along the vertical axis. Both gain and refractive index differences increase as a function of injected power in the sample under test. Furthermore, it is concluded that polarisation rotation in this component is heavily influenced by the power dependence of the relative gain in the TE and TM modes and birefringence.
Description: PUBLISHED
URI: http://ieeexplore.ieee.org/iel5/2197/28817/01295762.pdf?tp=&arnumber=1295762&isnumber=28817
http://hdl.handle.net/2262/16980
ISSN: 15139
Appears in Collections:Physics (Scholarly Publications)

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