Title :
All-fiber phase-modulated master oscillator power amplifier for coherent communication
Author :
Rochat, E. ; Costantini, D.M. ; Muller, C.A.P. ; Haroud, K. ; Limberger, H.G. ; Dandliker, R. ; Salathe, R.P.
Author_Institution :
Inst. of Microtechnol., Neuchatel Univ., Switzerland
Abstract :
An all-fiber phase-modulated master oscillator power amplifier for free-space coherent communication is presented. A distributed-feedback fiber laser at 1.06 μm is used as master oscillator. A novel phase modulator based on a ZnO-coated single-mode fiber modulates the single frequency communication signal. The modulated signal is then amplified in a double-clad doped fiber power amplifier. Up to 1 W cw single-frequency output power, phase modulated at 196 MHz, has been obtained.
Keywords :
fibre lasers; laser frequency stability; optical fibre cladding; optical links; optical modulation; phase modulation; 1 W; 1.06 mum; ZnO; ZnO-coated single-mode fiber; all-fiber phase-modulated master oscillator power amplifier; coherent communication; cw single-frequency output power; double-clad doped fiber power amplifier; free-space coherent communication; modulated signal; phase modulated; single frequency communication signal; Doped fiber amplifiers; Fiber lasers; Optical fiber communication; Optical fibers; Optical modulation; Optical receivers; Oscillators; Phase modulation; Power amplifiers; Power generation;
Journal_Title :
Photonics Technology Letters, IEEE
