Dual-wavelength waveguide lasing at 1064 and $1342\mathrm{nm}$ corresponding to the ${{}^4\mathrm{F}}_{3/2}\to {{}^4\mathrm{I}}_{11/2}$ and ${{}^4\mathrm{F}}_{3/2}\to {{}^4\mathrm{I}}_{13/2}$ Nd transitions has been demonstrated in a femtosecond-laser-inscribed Nd: ${\mathrm{YVO}}_4$ channel waveguide. Under $808\mathrm{nm}$ optical pumping, the obtained laser thresholds at 1064 and $1342\mathrm{nm}$ were 180 and $210\mathrm{mW}$ , respectively. The laser slope efficiencies at 1064 and $1342\mathrm{nm}$ were found to be 15.6% and 1.7%, respectively.

© 2011 Optical Society of America

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