Critical Frequency Design, LLC
Electro-optic modulators for microwave photonics signal processing with improved conversion efficiency and low insertion loss
- Sector
- UNCERTAIN
- Headquarters
- Melbourne, FL
- Latest Form D
- $1.4M, Mar 2026
- Total capital
- $7.6M
- Federal grants
- $6.1M
- 10 awards · 2022–2025
- 10× sector median 1 award
- Private capital raised
- $1.4M
- 1 Form D · last Mar 2026
- 8 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- None on recordNo USPTO grants. Applications publish after 18 months.
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$1.4M
- Federal grantDefense · Phase II · Small Business Innovation Research (SBIR) Phase II Sequential, Topic A21-107, Chip-scale Optical Receivers For Communications. This Continues The Efforts Conducted Under Previously Issued Phase II SBIR Contract: W56KGU-23-C-0020.$1.9M
- Federal grantDefense · Phase II · SBIR Phase II Topic: N241-D01$1M
- Federal grantDefense · Phase II · SBIR 2 N231-010$1.0M
- Federal grantDefense · Phase II · Research And Development$500K
- Federal grantDefense · Phase II · BASE$700K
- Federal grantDefense · Phase II · Research And Development$250K
Show 4 earlier federal awards
- Federal grantDefense · Phase I · Active Low-Voltage Thin-Film Lithium Niobate Electro-Optic Modulator$140K
- Federal grantDefense · Phase I · DIGITAL ENGINEERING - Integration of Fiber Optics Systems Design, Supportability, and Maintainability$140K
- Federal grantDefense · Phase I · Fiber Optic Cable for Radio Frequency Over Fiber Links$240K
- Federal grantDefense · Phase I · Photonics Integration for Modular Open Systems Approach Avionics Plug-in Modules$239K
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Federal first
44months
from Critical Frequency Design, LLC’s first federal award to its first private round.
- First federal award · Jul 2022
- Defense · $239K
- First Form D · Mar 2026
- $1.4M · 1st Form D
- Awards before first raise
- 10 awards
An association in public records, not a cause or a prediction.
Standing in UNCERTAIN · 47 companies
Line = median- Federal contracts#7 · top 15%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
Researcher links verified by same-company patents and grants- Charles MiddletonResearcherExecutive OfficerLinked by $140K in grants as PI
- Eddie MyersExecutive OfficerNamed in SEC Form D filings
- Johnathen WarrenExecutive Officer, DirectorNamed in SEC Form D filings
- Rebecca WarrenDirectorNamed in SEC Form D filings
What it has protected
No granted patents are on record.
USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.
Checked: USPTO granted patents and published applications · Oct 23, 2026
Related companies, and why
- ADDITIVE MONITORING, INC.Similar federal contract value in UNCERTAIN · null in contracts
- BASS AGRITECH, INCSimilar federal contract value in UNCERTAIN · null in contracts
- OLKIN OPTICS LLCSimilar federal contract value in UNCERTAIN · null in contracts
- MSP CORPORATIONSimilar federal contract value in UNCERTAIN · null in contracts
- THE SCIENCE AND ENGINEERING CORPS, LLCSimilar federal contract value in UNCERTAIN · null in contracts
- PEAKMETRICS INCSimilar federal contract value in UNCERTAIN · null in contracts
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .