NDLI: Broadband 2-µm emission on silicon chips: monolithically integrated Holmium lasers.

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Broadband 2-µm emission on silicon chips: monolithically integrated Holmium lasers.

Content Provider	Semantic Scholar
Author	Li, Nanxi Magden, Emir Salih Su, Zhan Singh, Nagendra Ruocco, Alfonso Xin, Ming Byrd, Matthew J. Callahan, Patrick T. Bradley, Jonathan D. B. Baiocco, Christopher V. Vermeulen, Diedrik Watts, Michael Robert
Copyright Year	2018
Abstract	Laser sources in the mid-infrared are of great interest due to their wide applications in detection, sensing, communication and medicine. Silicon photonics is a promising technology which enables these laser devices to be fabricated in a standard CMOS foundry, with the advantages of reliability, compactness, low cost and large-scale production. In this paper, we demonstrate a holmium-doped distributed feedback laser monolithically integrated on a silicon photonics platform. The Al2O3:Ho3+ glass is used as gain medium, which provides broadband emission around 2 µm. By varying the distributed feedback grating period and Al2O3:Ho3+ gain layer thickness, we show single mode laser emission at wavelengths ranging from 2.02 to 2.10 µm. Using a 1950 nm pump, we measure a maximum output power of 15 mW, a slope efficiency of 2.3% and a side-mode suppression ratio in excess of 50 dB. The introduction of a scalable monolithic light source emitting at > 2 µm is a significant step for silicon photonic microsystems operating in this highly promising wavelength region.
Starting Page	2220
Ending Page	2230
Page Count	11
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.rle.mit.edu/pmg/wp-content/uploads/2018/02/oe-26-3-2220.pdf
PubMed reference number	29401762v1
Alternate Webpage(s)	https://doi.org/10.1364/OE.26.002220
DOI	10.1364/oe.26.002220
Journal	Optics express
Volume Number	26
Issue Number	3
Language	English
Access Restriction	Open
Subject Keyword	Body cavities Bone structure of rib Holmium Lasers Photonics Silicon Waveguide Device Component pump (device) silicon nitride wavelength
Content Type	Text
Resource Type	Article

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