BEHAVIOR OF A CO2 LASER NEAR THRESHOLD : DIFFERENCE BETWEEN PUMP MODULATION AND LOSS MODULATION F.T. ARECCHI, W. GADOMSKI, R. MEUCCI and J.A. ROVERSI J. Phys. Colloques, 49 C2 (1988) C2-363-C2-366 DOI: 10.1051/jphyscol:1988285