Abstract
A wideband tunability of 6.53 nm with appreciable SMSR (> 10 dB) and linewidth (~0.1 nm) is demonstrated from a simple and low-cost tunable self-injection locked InGaN/GaN green laser based external-cavity system, for the first time.© 2019 The Author(s)
Support from Deanship of Research, KFUPM, through grant KAUST004 is acknowledged. This work is also supported by KAUST grants BAS/1/1614-01-01, REP/1/2878-01-01, KCR/1/2081-01-01, and GEN/1/6607-01-01, and King Abdulaziz City for Science and Technology funding EE2381 and KACST TIC R2-FP-008.