A facetless regrowth-free single mode laser based on MMI couplers

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A facetless regrowth-free single mode laser based on MMI couplers

Caro, Ludovic; Kelly, Niall P.; Dernaika, Mohamad; Shayesteh, Maryam; Morrissey, Padraic E.; Alexander, Justin K.; Peters, Frank H.
Date: 2017-04-20
Copyright: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Copyright information: http://creativecommons.org/licenses/by-nc-nd/4.0/
Citation: Caro, L., Kelly, N. P., Dernaika, M., Shayesteh, M., Morrissey, P. E., Alexander, J. K. and Peters, F. H. (2017) 'A facetless regrowth-free single mode laser based on MMI couplers', Optics & Laser Technology, 94, pp. 159-164. doi: 10.1016/j.optlastec.2017.03.029
Published Version: 10.1016/j.optlastec.2017.03.029

Abstract:

This paper presents a facetless, tunable laser operating near 1575 nm, as well as a theoretical model predicting spectral features of the laser. The lasers were fabricated without regrowth or advanced lithography techniques, and are based on MMI couplers and etched facets. Coarse vernier tuning was achieved over a range of 25 nm, while fine, thermal tuning was also demonstrated over a range of 1.5 nm. SMSR values of 25 dB and higher were observed, with a measured laser linewidth of 600 kHz.

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© 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Except where otherwise noted, this item's license is described as © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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