OPTICAL ENGINEERING / C-BAND DWDM S/WDM-001

The next bandwidth frontier is in orbit.

Coherent DWDM optical engines for the next generation of space infrastructure. A systems-level approach to capacity, link margin, power and integration economics.

32 λWDM design study12.8Tgross configuration10Tnet engineering target
SPACE-TO-SPACEWDM / COHERENT OPTICSSWAP-C ENGINEERINGEARLY R&D STAGE
01 / THE IDEA

More data. Less hardware.

In terrestrial networks, WDM turned one optical fiber into many independent high-capacity lanes. SpaceWDM is studying how that architectural advantage can translate into free-space laser terminals.

WDM SPECTRAL MULTIPLEXING / C-BAND STUDY32 channels / 0.8 nm nominal
1537.6 nm1550 nm center1562.4 nm

Illustrative channel grid, not a measured source or a flight-qualified frequency comb.

A

Parallel wavelengths

Independent optical carriers aggregated through a common free-space optical path.

B

Compact optical engine

Source, modulation, mux/demux, sensing, and interfaces optimized as an OEM subsystem.

C

Made to qualify

Power, thermal behavior, radiation response, packaging, and manufacturing yield drive the architecture.

Photorealistic concept illustration of a packaged photonic subsystem with optical fibers
CONCEPT RENDER / NOT PHYSICAL HARDWARE
02 / THE PRODUCT

Not another terminal. The engine inside.

The first commercial hypothesis is an integrable photonic module for the optical-communications terminal manufacturers who already own telescopes, tracking hardware and spacecraft buses.

01Multi-wavelength optical aggregation
02Repeatable link characterization
03OEM-friendly electrical/optical interfaces
04Path to environmental qualification
Discuss a paid engineering evaluation ↗
03 / ARCHITECTURE DECISION INSTRUMENT

LinkLab 02

Test whether an optical-engine concept closes the physics, capacity and engineering trade space. Compare channel architectures, identify failure conditions, and export reproducible assumptions. This is a decision screen, not a flight-performance claim.

ENGINE RUNNING IN YOUR BROWSER
v0.2 · scenario trade study + reproducible link budget · not experimental validation
SPACE-TO-SPACE / OPTICAL ENGINE SCREENSCREENING PASS
MODELED NOMINAL NET CAPACITY10.24 Tb/sGross less assumed 20% overhead. Not proven delivery.
NOMINAL LINK MARGIN+2.59 dBRelative to user-assumed sensitivity
POINTING SCREEN / PASS FRACTION99.9%Monte Carlo, not verified uptime
WDM POWER SPECTRUM / SYNTHETIC CHANNEL GRIDCH 01—32
MODEL MARGIN VS LINK DISTANCENOMINAL / NO JITTER
What this proves: a transparent, reproducible software model of diffraction, aperture coupling and pointing jitter. What it does not prove: 400G optical receiver feasibility, a 10 Tbps working link, coherent DSP BER, closed-loop PAT, or space qualification.
Research stack ↗
LINKLAB 02 / ARCHITECTURE COMPARISON

Can this design earn its mass and power?

Architecture decision screen. Every SWaP/cost figure below is driven by transparent planning assumptions, not vendor quotations.

SIMULATION / RESEARCH ONLY
SCREENING RECOMMENDATIONAwaiting model

Select an architecture for a reproducible comparison.

POWER ESTIMATE—Assumption-based whole engine
ENERGY / IDEAL NET BIT—Includes fixed & per-channel load
ILLUSTRATIVE UNIT BOM—Not a supplier quotation

Candidate architectures

Hold beam geometry, receiver threshold and other link assumptions constant. The rows isolate channel-count, rate and digital-power trade-offs.

SELECTARCHITECTUREGROSSIDEAL NETMODELED WATTSpJ / NET BITUNIT BOM*SCREEN
Evaluating candidate designs…
SENSITIVITY / POINTING JITTERMODEL MARGIN / TWO COMPETING DESIGNS

This Monte Carlo passing fraction is not a prediction of operational availability or BER; it omits acquisition, weather, jitter spectrum, Doppler and receiver impairments.

The decision rule

  1. Capacity: Can the chosen channel/FEC assumptions reach 10 Tb/s ideal net?
  2. Physics: Does the selected optical geometry meet the assumed receiver threshold with margin?
  3. SWaP: How many watts per nominal delivered bit at the assumed DSP architecture?
  4. Economics: What nominal BOM is implied by channel count? Does the architecture minimize the cost of testing the thesis?
04 / ENGINEERING ROADMAP

A physics-first path to orbit.

Hardware is a sequence of falsifiable experiments. The link budget is the beginning, not the evidence of flight performance.

NOW — 90 DAYS

Software + sourcing

Validate assumptions, compare optical architectures, secure customer feedback and instrument access.

Model / interviews
3 — 9 MONTHS

Bench demonstration

Demonstrate multi-channel coherent or IM/DD lab link with measured OSNR, BER and thermal behavior.

400G aggregate goal
9 — 18 MONTHS

Optical engine

Move into integrated optics, packaging, realistic power and industrial test workflows.

1–2T lab design target
18 — 36+ MONTHS

Qualification + scale

Customer-specific environmental qualification and eventual multi-terabit flight hardware, if funded.

10T stretch goal
05 / FOUNDER

Built by someone who has worked on both sides of the optical network.

Founded by Lloyd E. Clark, PhD, with hands-on Ciena DWDM and fiber-optics experience, Tellium technical training, and a career spanning cybersecurity, defense mission systems and AI.

SpaceWDM brings telecom-grade engineering discipline to optical networking problems in space. A planned two-student MIT founding research team would extend that into integrated photonics and communications DSP.

Ciena / DWDMTellium technical trainingPhD / Artificial IntelligenceDefense systems
FOUNDING WORK

Hiring two MIT student researchers.

One integrated-photonics specialist. One coherent-link DSP and simulation specialist. Both roles are proposed, not staffed.

Discuss joining the research team ↗
LET'S CLOSE THE LINK.

The right partner changes the trajectory.

We're looking for optical-terminal OEM design partners, photonics researchers, development partners and early-stage deep-tech investors. Share a real requirement and we will scope a measurable evaluation.

Request an engineering discussion ↗Investor introduction ↗Founder contact: lc@federal.ai · Ciena and Tellium are founder experience, not corporate partners. No affiliation with SpaceX, MIT or any investor is implied.