BETSY

Plano-Hemispherical Optical Reservoir · v5
laser injection · graphene honeycomb · skin readout · M_total
Architecture
CVD diamond hemisphere
Graphene honeycomb
Gold base + mirror
Deliberate scatterers
Er fiber laser / comb
Photonic skin (readout)
M_total matrix
Cavity
Diameter25–30 mm
Round-trip τ~170 ps
Diamond n2.417
Mirror R>99.9%
Q estimate10⁵–10⁷
Cells~400 / 32%
ScatterersBerry-Robnik
Skin detector array 0 active
M_total matrix r_eff: —
Spectral sweep — M_total columns idle
MODE: IDLE ● LIVE photons: 0
CVD diamond hemisphere
Graphene honeycomb (~400 cells, 32%)
Gold base + TiO₂/SiO₂ dielectric mirror
Deliberate scatterers (Berry-Robnik)
Er fiber laser / frequency comb
Electronic/photonic skin (readout)
M_total matrix
Diameter25–30 mm
Round-trip τ~170 ps
Diamond n2.417
Mirror R>99.9%
Q estimate10⁵–10⁷
Cells~400 / 32%
ScatterersBerry-Robnik
TypeEr-doped fiber
λ1550 nm C-band
Stability<1 MHz/s
Comb sourceLesko group FAU
Skin channels~400 detectors
SignalI_j(ω_k) evanescent
DecoderLinear (Option A)
Bounces0
Scatterings0
Skin hits0
Sweep step
r_eff est.
✗ WGM surface device
✗ Quantum computing
✗ Discrete logic
✗ Spatial-only (r ≈ 12)
Laser Source
TypeEr-doped fiber
λ1550 nm C-band
Stability<1 MHz/s
PortGold base
CombLesko group FAU
Spacing~0.5–1 GHz
Skin Readout
LocationOuter surface
MechanismEvanescent leakage
Channels~400 detectors
SignalI_j(ω_k)
DecoderLinear (Option A)
M_total
RowsN_detectors
ColsN_f (freq steps)
EntryI_j(ω_k)
r_eff target> 50
Kill conditionr_eff ≤ 50
Live
Bounces0
Scatterings0
Skin hits0
Step
r_eff est.
NOT This
✗ WGM surface device
✗ Quantum computing
✗ Discrete logic
✗ Spatial-only (r ≈ 12)