Design and fabrication of a resonant mirrors for locking blue laser diodes

Matthew Byrd; Joshua Baghdady; Aaron J. Pung; Eric Johnson; Kyu Lee; Robert Magnusson; Paul Binun; Kyle McCormick

doi:10.1117/12.2079987

13 March 2015 Design and fabrication of a resonant mirrors for locking blue laser diodes

Matthew Byrd, Joshua Baghdady, Aaron J. Pung, Eric Johnson, Kyu Lee, Robert Magnusson, Paul Binun, Kyle McCormick

Proceedings Volume 9374, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VIII; 93740Z (2015) https://doi.org/10.1117/12.2079987
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

The recent development and refinement of Gallium nitride (GaN) semiconductor devices has produced both blue light emitting diodes (LEDs) and laser diodes, which provide an efficient means to obtain high emission powers in the blue spectral range. Such sources have potential applications in both imaging and communication systems. However, many applications require precise control over the spectral emission from these devices and the current blue laser diodes lack this ability. In this paper, we demonstrate a method to control the spectral emission from GaN blue laser diodes. We present the simulation and subsequent fabrication of a guided-mode resonance filter (GMRF) that can be used to lock the output wavelength of a GaN blue laser diode. Successful locking of the emission wavelength with respect to fluctuations in the surrounding environment addresses challenges associated with communication systems. Our experiment uses an optical cavity with a GaN blue laser diode source and an on-axis narrowband GMRF fabricated for 445.2 nm. Based on spectral drift of the diode emission caused by an increase in input current, experimental measurements were taken with the GMRF installed to verify wavelength locking capability.

Citation Download Citation

Matthew Byrd, Joshua Baghdady, Aaron J. Pung, Eric Johnson, Kyu Lee, Robert Magnusson, Paul Binun, and Kyle McCormick "Design and fabrication of a resonant mirrors for locking blue laser diodes", Proc. SPIE 9374, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VIII, 93740Z (13 March 2015); https://doi.org/10.1117/12.2079987

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