Tapered multi-section superluminescent diode with tunable spectral asymmetry between narrow and wide facet outputs

Adam F. Forrest; Michel Krakowski; Paolo Bardella; Maria Ana Cataluna

doi:10.1109/CLEOE-EQEC.2019.8871859

Tapered multi-section superluminescent diode with tunable spectral asymmetry between narrow and wide facet outputs

Adam F. Forrest, Michel Krakowski, Paolo Bardella, Maria Ana Cataluna

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Combining the output of two or more separate, distinct superluminescent diodes (SLDs) via spectral multiplexing has the potential to produce very wide optical spectra which could prove beneficial in imaging applications¹. Likewise, the implementation of a multi-section contact layout also allows for optimization of the spectral bandwidth and output power through the independent tuning of the current density in each section². Here, we present the first comparative investigation of the output from both facets of a tapered multi-section SLD. A significant spectral asymmetry between the output of both facets was observed and was found to be widely tunable through the variation of the biasing conditions in both sections of the device. These results highlight an as yet untapped extra degree of freedom in multi-section superluminescent diodes which could be exploited to engineer the spectral bandwidth of such devices through the multiplexing of both outputs of a single device.

Original language	English
Title of host publication	2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference (CLEO/Europe-EQEC)
Publisher	IEEE
ISBN (Electronic)	9781728104690
DOIs	https://doi.org/10.1109/CLEOE-EQEC.2019.8871859
Publication status	Published - 17 Oct 2019

ASJC Scopus subject areas

Spectroscopy
Electronic, Optical and Magnetic Materials
Instrumentation
Atomic and Molecular Physics, and Optics
Computer Networks and Communications

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10.1109/CLEOE-EQEC.2019.8871859

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Forrest, A. F., Krakowski, M., Bardella, P., & Cataluna, M. A. (2019). Tapered multi-section superluminescent diode with tunable spectral asymmetry between narrow and wide facet outputs. In 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference (CLEO/Europe-EQEC) Article 8871859 IEEE. https://doi.org/10.1109/CLEOE-EQEC.2019.8871859

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abstract = "Combining the output of two or more separate, distinct superluminescent diodes (SLDs) via spectral multiplexing has the potential to produce very wide optical spectra which could prove beneficial in imaging applications1. Likewise, the implementation of a multi-section contact layout also allows for optimization of the spectral bandwidth and output power through the independent tuning of the current density in each section2. Here, we present the first comparative investigation of the output from both facets of a tapered multi-section SLD. A significant spectral asymmetry between the output of both facets was observed and was found to be widely tunable through the variation of the biasing conditions in both sections of the device. These results highlight an as yet untapped extra degree of freedom in multi-section superluminescent diodes which could be exploited to engineer the spectral bandwidth of such devices through the multiplexing of both outputs of a single device.",

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Tapered multi-section superluminescent diode with tunable spectral asymmetry between narrow and wide facet outputs. / Forrest, Adam F.; Krakowski, Michel; Bardella, Paolo et al.
2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 2019. 8871859.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AB - Combining the output of two or more separate, distinct superluminescent diodes (SLDs) via spectral multiplexing has the potential to produce very wide optical spectra which could prove beneficial in imaging applications1. Likewise, the implementation of a multi-section contact layout also allows for optimization of the spectral bandwidth and output power through the independent tuning of the current density in each section2. Here, we present the first comparative investigation of the output from both facets of a tapered multi-section SLD. A significant spectral asymmetry between the output of both facets was observed and was found to be widely tunable through the variation of the biasing conditions in both sections of the device. These results highlight an as yet untapped extra degree of freedom in multi-section superluminescent diodes which could be exploited to engineer the spectral bandwidth of such devices through the multiplexing of both outputs of a single device.

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PB - IEEE

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Tapered multi-section superluminescent diode with tunable spectral asymmetry between narrow and wide facet outputs

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ASJC Scopus subject areas

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