Wide band gain and amplified stimulated emission measurements in Cd<sub>3</sub>P<sub>2</sub> cylinder fiber

John F. Dove; Allen Chi-Luen Wang; Tracee L. Jamison; Ramesh Narayanan; Akshob V. Bangle; Zheng-Xuan Lai; James Flattery; Douglas Keller; Philipp G. Kornreich

doi:10.1117/12.566397

20 December 2004 Wide band gain and amplified stimulated emission measurements in Cd₃P₂ cylinder fiber

John F. Dove, Allen Chi-Luen Wang, Tracee L. Jamison, Ramesh Narayanan, Akshob V. Bangle, Zheng-Xuan Lai, James Flattery, Douglas Keller, Philipp G. Kornreich

Author Affiliations +

Proceedings Volume 5577, Photonics North 2004: Optical Components and Devices; (2004) https://doi.org/10.1117/12.566397
Event: Photonics North, 2004, Ottawa, Ontario, Canada

Abstract

We have measured a net gain of 19.5 dB in a 4 mm long piece of Cd₃P₂ Semiconductor Cylinder Fiber (SCF) at a wavelength of 1550 nm. The fiber was pumped from the side with a 100 mW, 832 nm laser. Side pumping is very inefficient since only a small portion of the pump light is absorbed by the very thin, approximately 6.694 nm thick, semiconductor film. However, this pumping arrangement is very convenient and does not require wavelength sensitive input and output couplers. We also measured the absorption spectrum. The absorption spectrum is in good agreement with a theoretical model. The absorption spectrum exhibits a step due to the two direct energy gap conduction bands of the Cd₃P₂ semiconductor film.

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John F. Dove, Allen Chi-Luen Wang, Tracee L. Jamison, Ramesh Narayanan, Akshob V. Bangle, Zheng-Xuan Lai, James Flattery, Douglas Keller, and Philipp G. Kornreich "Wide band gain and amplified stimulated emission measurements in Cd₃P₂ cylinder fiber", Proc. SPIE 5577, Photonics North 2004: Optical Components and Devices, (20 December 2004); https://doi.org/10.1117/12.566397

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