Controlling Integrated Photonic Circuits

1
Controlling IntegratedPhotonic Circuits

• Scott Kuntze
• Lacra Pavel
• J. Stewart Aitchison

2
Current art and trends

• amplification, nonlinearity

fibre EDFA
fibre Raman
o
o
o
o
3
Current art and trends

• amplification, nonlinearity

i
fibre EDFA
fibre Raman
integrated SOA
o
o
o
o
o
o
4
Current art and trends

• amplification, nonlinearity

i
fibre EDFA
fibre Raman
integrated SOA
o
o
o
o
o
o

• switching

Tb/s
Gb/s
5
Current art and trends

• amplification, nonlinearity

i
fibre EDFA
fibre Raman
integrated SOA
o
o
o
o
o
o

• switching

Tb/s
Gb/s
Tb/s
6
Current art and trends

• amplification, nonlinearity

i
fibre EDFA
fibre Raman
integrated SOA
o
o
o
o
o
o

• switching

Tb/s
Gb/s
Tb/s

• Missing systematic approach to designing and
  optimizing integrable photonic systems

7
Physical process
i
e-
h
8
Physical process
i
e-
P
h
9
Physical process
i
e-
e-
P
h
h
10
Physical process
i
e-
e-
e-
P
h
h
h
11
Control theory
Physical domain
Mathematical domain
physical equations
control formulation
minimal realization
rate eq'ns
12
Control theory
Physical domain
Mathematical domain
physical equations
control formulation
minimal realization
rate eq'ns
control methods
PID, H8
abstract results
eigenval conditions
13
Control theory
Physical domain
Mathematical domain
physical equations
control formulation
minimal realization
rate eq'ns
control methods
physical realization
rules, designs
PID, H8
physical interpretation
abstract results
eigenval conditions
evolution, parameters
14
SOA linear control model

• linear state-space model
• permits general interconnections with other
  linear systems e.g. controllers

15
Crosstalk suppression
16
Crosstalk suppression
17
Electronic modelling