1.6-&mu;m Er:YGG waveguide amplifiers

J. I. Mackenzie; S. V. Kurilchik; J. J. Prentice; J. A. Grant-Jacob; L. G. Carpenter; J. C. Gates; P. G. R. Smith; C. B. E. Gawith; H. Riris; A. W. Yu; R. W. Eason

doi:10.1117/12.2513665

7 March 2019 1.6-μm Er:YGG waveguide amplifiers

J. I. Mackenzie, S. V. Kurilchik, J. J. Prentice, J. A. Grant-Jacob, L. G. Carpenter, J. C. Gates, P. G. R. Smith, C. B. E. Gawith, H. Riris, A. W. Yu, R. W. Eason

Author Affiliations +

Proceedings Volume 10896, Solid State Lasers XXVIII: Technology and Devices; 1089604 (2019) https://doi.org/10.1117/12.2513665
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

We report on the fabrication and characterization of Er:YGG films suitable for waveguide amplifiers that could in principle be used in integrated path differential absorption lidar systems. Presented is our fabrication technique, comprising pulsedlaser- deposition growth of ~10 μm-thick crystalline films, their channeling via ultraprecision ductile dicing with a diamond-blade, producing optical quality facets and sidewalls, and amplifier performance. Net gain at 1572 nm and 1651 nm is obtained for the first time in Er-doped YGG waveguide amplifiers. Additionally, in a channel waveguide a maximum internal gain of 3.5 dB/cm at the 1533nm peak was realized. Recent crystal film quality improvements promise further performance enhancements needed for the intended application for high-peak power sources in the 1.6-μm spectral region targeting Earth observation systems for monitoring greenhouse gases.

Conference Presentation

Citation Download Citation

J. I. Mackenzie, S. V. Kurilchik, J. J. Prentice, J. A. Grant-Jacob, L. G. Carpenter, J. C. Gates, P. G. R. Smith, C. B. E. Gawith, H. Riris, A. W. Yu, and R. W. Eason "1.6-μm Er:YGG waveguide amplifiers", Proc. SPIE 10896, Solid State Lasers XXVIII: Technology and Devices, 1089604 (7 March 2019); https://doi.org/10.1117/12.2513665

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