Microsphere laser in Er3+/Yb3+-codoped phosphate glass: coupling with an external cavity

Carole Arnaud; Mohamed Boustimi; Patrice Feron; Gualtiero Nunzi-Conti; Giancarlo Righini

doi:10.1117/12.529063

1 June 2004 Microsphere laser in Er³⁺/Yb³⁺-codoped phosphate glass: coupling with an external cavity

Carole Arnaud, Mohamed Boustimi, Patrice Feron, Gualtiero Nunzi-Conti, Giancarlo Righini

Proceedings Volume 5333, Laser Resonators and Beam Control VII; (2004) https://doi.org/10.1117/12.529063
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

Abstract

Er³⁺/Yb³⁺ co-doped phosphate glass microsphere lasers have been studied under pumping by a fiber taper at 1480 nm. Whispering Gallery Mode laser spectra were analyzed for different sphere diameters. The gain spectrum is calculated for the transition ⁴I_13/2 → ⁴I_15/2 around 1550 nm. Red-shift effect on the wavelengths of both fluorescence and laser spectra is experimentally observed when the pump power is increased, originating from thermal effects. We showed coupling effect between microspherical laser and an external cavity made by a metallic mirror. We observed line shift to lower wavelengths due to optical feedback effect.

Citation Download Citation

Carole Arnaud, Mohamed Boustimi, Patrice Feron, Gualtiero Nunzi-Conti, and Giancarlo Righini "Microsphere laser in Er³⁺/Yb³⁺-codoped phosphate glass: coupling with an external cavity", Proc. SPIE 5333, Laser Resonators and Beam Control VII, (1 June 2004); https://doi.org/10.1117/12.529063

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