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Proceedings Paper

Athermal chirp-compensated directly modulated PIC for uncooled DWDM
Author(s): Gaurav Jain; Prince M. Anandarajah; Robert McKenna; Deseada Gutierrez-Pascual; Frank Smyth; Jules Braddell; John F. Donegan
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Paper Abstract

The authors employ a novel PIC to demonstrate athermalised transmission under direct modulation. The unique architecture of the chip enables compensation of thermal redshift of laser wavelength through control of self-heating. The PIC consists of 2 lasers in a master-slave configuration. Such a structure improves the performance of a free running laser (slave) by optical injection from another laser (master). The benefits reaped from such a PIC structure implementing optical injection include chirp minimisation, linewidth reduction, and improved modulation response. Experimental demonstration of 2.5 Gb/s OOK data transmitted over 37 km with error-free performance over the temperature range 10-45°C is presented.

Paper Details

Date Published: 25 February 2020
PDF: 6 pages
Proc. SPIE 11283, Integrated Optics: Devices, Materials, and Technologies XXIV, 112831X (25 February 2020); doi: 10.1117/12.2543878
Show Author Affiliations
Gaurav Jain, Trinity College Dublin (Ireland)
Pilot Photonics Ltd. (Ireland)
Prince M. Anandarajah, Dublin City Univ. (Ireland)
Robert McKenna, Trinity College Dublin (Ireland)
Deseada Gutierrez-Pascual, Pilot Photonics Ltd. (Ireland)
Frank Smyth, Pilot Photonics Ltd. (Ireland)
Jules Braddell, Pilot Photonics Ltd. (Ireland)
John F. Donegan, Trinity College Dublin (Ireland)


Published in SPIE Proceedings Vol. 11283:
Integrated Optics: Devices, Materials, and Technologies XXIV
Sonia M. García-Blanco; Pavel Cheben, Editor(s)

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