Photon Quantum CapitalBridge capital →
Signal · Active/λ · 1550 NM

Bridging capital to the physics of the next century.

A private equity group investing behind founders building Photonics, Quantum Computing, and Nuclear Fusion — the three frontiers that will re-price the global economy.

40.7128°N · 74.0060°W
NETWORK · 42 PORTFOLIO NODES
07:25:15 EST
Photonics · integrated siliconQuantum · surface-code fault toleranceFusion · high-temperature superconductorsDeep-tech buyout · growth · platformFounder-aligned · patient capitalλ · |ψ⟩ · Q>1Bridging capital ⇌ opportunity
Photonics · integrated siliconQuantum · surface-code fault toleranceFusion · high-temperature superconductorsDeep-tech buyout · growth · platformFounder-aligned · patient capitalλ · |ψ⟩ · Q>1Bridging capital ⇌ opportunity
01 · Thesis

Three physics unlocks.
One capital bridge.

Every century, a small set of physical breakthroughs re-writes what is economically possible. Steam. Electricity. Silicon. We believe the next such unlock is not one technology, but three — arriving in the same decade, feeding one another.

Photonics replaces electrons with light for compute and communication. Quantum makes intractable chemistry, logistics, and cryptography tractable. Fusion delivers the abundant, clean energy the other two demand.

Photon Quantum partners with operator-founders at the moment where the science becomes an industry. We provide platform capital, operating depth, and long time horizons — not term sheets in a hurry.

02 · Sectors

Three frontiers. One portfolio logic.

01 / λ · 1550 NM
Sector · Photonics

Bending light into infrastructure.

Silicon photonics, integrated lasers, and optical compute — the physical layer of the next internet and the next chip.

Bandwidth ceiling
10× / decade
Wafer-scale integration
300mm
Datacenter TAM
$78B
02 / |ψ⟩ · SUPERPOSITION
Sector · Quantum Computing

Compute that lives in probability.

Superconducting, neutral atom, and photonic qubits — the stack that will re-price chemistry, materials, and cryptography.

Logical qubits (2030E)
10³
Error correction gain
×10⁶
Advantage horizon
36–60 mo
03 / Q > 1 · IGNITION
Sector · Nuclear Fusion

Star ignition, industrialized.

Tokamaks, inertial confinement, and high-field magnets — the last energy transition, timed to a decade this century.

Peak plasma
150M °C
Energy density
×4M vs fossil
Grid deployment
2032–2038
03 · Approach

How we operate at the frontier.

01
Alignment

Founder-first economics; every operator receives meaningful equity in the platform they build.

02
Time

Ten-year first checks. Physics does not scale on a fund cycle.

03
Depth

In-house scientists and operators — not observers. We sit on the roadmap, not just the board.

04
Bridging

We route capital, talent, and customers between our portfolio — photon, qubit, and plasma feed one another.

05
Integrity

Honest counterparties. Long memory. Repeat partnerships across companies.

04 · Experience

Track record.

Frontier capital deployed
$1.4B
Platform investments
9
Add-on acquisitions
27
Platform building

We identify category-defining companies at the science-to-industry inflection point and scale them through follow-on capital and operating support.

Add-on strategy

We acquire complementary capabilities — IP, talent, and customer relationships — to accelerate technical roadmaps and expand TAM.

05 · Founders

Operator-led. Institutionally backed.

Managing Partner \ Founder
Darius Panah
President & FounderSecurity Savings Bank
Founder & ChairmanLiberty Lending Corp — $1.4 Billion Mortgage Securitizations & Originations
CEOCaptus Capital — Private Equity & Family Office
06 · Contact

Building at the frontier?
Open a channel.

signal@photonquantumcapital.com →
New York
40.7128°N · 74.0060°W
Zürich
47.3769°N · 8.5417°E
Signal
signal@photonquantumcapital.com