190
K. Mukherjee et al.
1540
1545
1550
1555
1560
1565
1570
0
0.2
0.4
0.6
0.8
1
Wavelength(nm)
Power(a.u.)
Power spectrum of Input and output
Input A=u2
Input B=u2
Output=u1
d
Fig. 8 (continued)
Table 3 Parameters of SOA used in simulation
Symbol
Parameter
Value
C
Velocity of light
3 × 108 m/s
I
Injection current
200 mA
G
Confinement factor
0.48
αN
Differential gain
3.3 × 10 –20 m 2
Nt
Carrier density at transparence
1.0 × 1024 m −3
W
Width(active region)
1.5 μm
D
Depth (active region)
250 nm
L
Length(active region)
150 μm
αD
Internal waveguide loss
2700 m −1
λ
Wavelength of light
1550 nm
te
Gain recovery time
90 ps
Ec
Control pulse energy
50 fJ
Tfwhm
Full width half maximum
1 ps
T
Eccentricity
20 ps
n2
Nonlinear coefficient
2.6 × 10 –20 m 2 /w
D
Dispersion constant
1 ps/(nm-km)
A eff
Fiber effective area
5 × 10 –13 m 2
N sp
Spontaneous emission factor
2
K. Mukherjee et al.
1540
1545
1550
1555
1560
1565
1570
0
0.2
0.4
0.6
0.8
1
Wavelength(nm)
Power(a.u.)
Power spectrum of Input and output
Input A=u2
Input B=u2
Output=u1
d
Fig. 8 (continued)
Table 3 Parameters of SOA used in simulation
Symbol
Parameter
Value
C
Velocity of light
3 × 108 m/s
I
Injection current
200 mA
G
Confinement factor
0.48
αN
Differential gain
3.3 × 10 –20 m 2
Nt
Carrier density at transparence
1.0 × 1024 m −3
W
Width(active region)
1.5 μm
D
Depth (active region)
250 nm
L
Length(active region)
150 μm
αD
Internal waveguide loss
2700 m −1
λ
Wavelength of light
1550 nm
te
Gain recovery time
90 ps
Ec
Control pulse energy
50 fJ
Tfwhm
Full width half maximum
1 ps
T
Eccentricity
20 ps
n2
Nonlinear coefficient
2.6 × 10 –20 m 2 /w
D
Dispersion constant
1 ps/(nm-km)
A eff
Fiber effective area
5 × 10 –13 m 2
N sp
Spontaneous emission factor
2