F
RF frequency offset from RF carrier; electrostatic Coulomb
force
f
RF frequency
f 0
DC part of RF frequency, steady-state RF frequency of OEO,
modulation frequency OEO
f F0
Natural frequency of the RF filter
f IF
Intermediate frequency
G opt, A
Gain of the optical amplifier
G RF, A
The gain of the RF amplifier
G 0
Saturation coefficient; gain of the active layer
G non
Nonlinear gain
h
Plank constant
hv
Energy of the one quantum
I M (t)
Modulation current of the laser diode
I 0
DC pumping current of the laser diode, the bias current of the
laser diode
I PD (t)
Current in the PD output
i B
Base current of the bipolar transistor
i C
Collector current of the bipolar transistor
i 1L
AC component of the laser pumping current
i PD (t)
Instantaneous PD current
J L
Pumping current
J L0
DC component of the pumping current
J 1L
AC component of the pumping current J 1L = i 1L
J 0Lth
DC component of the threshold pumping current of QWLD
pumping current
J 2k
Bessel function
K21
Autocorrelation function of the random process
K OA (ν)
Module of AFC of the optical amplifier
K OF (ν)
Module of AFC of the optical filter
K FOS (ν)
Module of AFC of FOS
К L
Complex transfer function of QWLD
K
2
ΓPN
Phase noise suppression factor
K
2
AN
Amplitude noise suppression factor
K
2
2ΓPN
Approximated phase noise suppression factor
K FOS
Transfer function of FOS
K FBN
Transfer function of feedback network (see text)
K DL
Transfer function of feedback network (see text)
K RF, F
Transfer function of the radio frequency filter
K FODL
Transfer function of FODL
K LOC
Complex transfer functions of OEO laser optical channel
k
Boltzmann constant
k 1 and k 2
Excitations coefficients of optical channel in MZ
k fb
Feedback loop coefficient
xxviii
List of Symbols
RF frequency offset from RF carrier; electrostatic Coulomb
force
f
RF frequency
f 0
DC part of RF frequency, steady-state RF frequency of OEO,
modulation frequency OEO
f F0
Natural frequency of the RF filter
f IF
Intermediate frequency
G opt, A
Gain of the optical amplifier
G RF, A
The gain of the RF amplifier
G 0
Saturation coefficient; gain of the active layer
G non
Nonlinear gain
h
Plank constant
hv
Energy of the one quantum
I M (t)
Modulation current of the laser diode
I 0
DC pumping current of the laser diode, the bias current of the
laser diode
I PD (t)
Current in the PD output
i B
Base current of the bipolar transistor
i C
Collector current of the bipolar transistor
i 1L
AC component of the laser pumping current
i PD (t)
Instantaneous PD current
J L
Pumping current
J L0
DC component of the pumping current
J 1L
AC component of the pumping current J 1L = i 1L
J 0Lth
DC component of the threshold pumping current of QWLD
pumping current
J 2k
Bessel function
K21
Autocorrelation function of the random process
K OA (ν)
Module of AFC of the optical amplifier
K OF (ν)
Module of AFC of the optical filter
K FOS (ν)
Module of AFC of FOS
К L
Complex transfer function of QWLD
K
2
ΓPN
Phase noise suppression factor
K
2
AN
Amplitude noise suppression factor
K
2
2ΓPN
Approximated phase noise suppression factor
K FOS
Transfer function of FOS
K FBN
Transfer function of feedback network (see text)
K DL
Transfer function of feedback network (see text)
K RF, F
Transfer function of the radio frequency filter
K FODL
Transfer function of FODL
K LOC
Complex transfer functions of OEO laser optical channel
k
Boltzmann constant
k 1 and k 2
Excitations coefficients of optical channel in MZ
k fb
Feedback loop coefficient
xxviii
List of Symbols