PHOTON SPOT INC

Monrovia, CA · Quantum · Private

Quantum repeater node integrating diamond color centers with photonic integrated circuits

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Updated Oct 23, 2026 · photonspot.com

Sector: Quantum
Headquarters: Monrovia, CA
Total capital: $6.6M

Federal grants: $350K; 2 awards · 2019–2021; Rank in peer group#28 of 48
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $6.3M; 33 awards · Interior, Defense, Commerce; Rank in Quantum#12 of 112
Granted patents: 1; 1 pending · first 2020; Rank in peer group#19 of 48

Capital timeline

Latest events

Aug 2026Federal contractCommerce · OU67-FY26-246-NEW Standard Reference Instrument Cryostat Order 6$159K
Jun 2026Federal contractCommerce · OU67-FY26-088-NEW Standard Reference Instrument (sri) Cryostats - Delivery Order #5$953K
Jan 2026Federal contractCommerce · OU67-FY26-002-NEW Delivery Order 4 - Standard Reference Instrument (sri) Cryostats$150K
Sep 2025Federal contractCommerce · 4CAST #: OU67-25-NEW-112 Cryostat For Travelling Josephson Voltage Standard (jvs) System$200K
Jun 2025Federal contractCommerce · OU68-25-NEW-026 Superconducting Nanowire Single Photon Detector System$169K
May 2025Federal contractCommerce · Cryospot 4TS Cryogenic System Maintenance And Repair$18K
May 2025Federal contractCommerce · Delivery Order - Standard Reference Instrument (sri) Cryostats$300K

Show 28 earlier federal awards

May 2025Federal contractDefense · Superconducting Nanowire Single Photon Detectors (snspds)$52K
Sep 2024Federal contractCommerce · Time-resolved Emission Microscopy, Cryostat$413K
Jul 2024Federal contractCommerce · Single Photon Detection System$156K
May 2024Federal contractCommerce · Delivery Order - Standard Reference Instrument (sri) Cryostats$144K
Apr 2024Federal contractCommerce · 4 K Traveling Cryostat Assembly$266K
Mar 2024Federal contractCommerce · Delivery Order - Standard Reference Instrument (sri) Cryostats$288K
Apr 2023Federal contractDefense · Photon Spot Detectors$101K
Aug 2022Federal contractCommerce · Compact Closed-cycle Cryogenic Cooling System$38K
Sep 2021Federal contractCommerce · Cryostat Prototype: At Least 250 Mw Of Cooling Power At Temp Below 4.5 K. Cryostat Has Temp Fluctuations Less Than 20 Mk Peak-to-peak At 4 K Near The Chip Compatible With Our Chip Pkg (both Mech And Elec), Elec Isolated, & Magnetically Shielded$570K
May 2021Federal contractNASA · System Integration And Packaging Towards An Integrated Photonic Quantum Repeater$125K
May 2021Federal grantNASA · Phase I · System Integration and Packaging towards an Integrated Photonic Quantum Repeater$125K
Mar 2021Federal contractCommerce · Cryostat Prototype With At Least 250 Mw Of Cooling Power And Temperature Fluctuations Less Than 20 Mk Peak-to-peak At 4 K That Is Compatible With Our Chip Packages (both Mechanically And Electrically),is Electrically Isolated & Magnetically Shielded.$112K
Aug 2020Federal contractCommerce · High-efficiency Low Dark-count Single Photon Detection System$103K
Jul 2020Federal contractCommerce · Procurement Of A 1K Closed-cycle Cryogenic Cooling System For Nist Itl$30K
May 2020Federal contractCommerce · Refurbishment And Upgrades To Rk Cold Head$15K
Sep 2019Federal contractDefense · Superconducting Nanowire Single Photon Detector With Cryospot 4$228K
Sep 2019Federal contractCommerce · 1K Closed Cycle Cooler For To Assist With Testing Single Photon Detectors And Temperatures Below 80K For The Pml.$30K
Jun 2019Federal grantNSF · Phase I · STTR Phase I: Superconducting Nanowire Single-Photon Cameras for Time-Resolved Quantum Imaging$225K
Sep 2018Federal contractDefense · Snspds And Lvttl Converters$82K
Sep 2017Federal contractDefense · Four (4) Superconducting Nanowire Single Photon Detectors (snspds) And One (1) Crogenic System With Corresponding Electronics$204K
Sep 2016Federal contractDefense · Wsi Single Element Nanowire Detector$381K
Aug 2016Federal contractCommerce · Close-cycle Liquid Helium Cryostat System$124K
Mar 2016Federal contractCommerce · Two Compact Closed-cycle Cryogenic Cooling Systems$53K
Feb 2016Federal contractDefense · Cryospot Photon Detection System 4 W/FREEZE4 Sorption Fridge$284K
May 2015Federal contractCommerce · Close Cycle Cryogenic System With Helium Sorption Fridge$135K
Sep 2014Federal contractCommerce · Closed-cycle Cryogenic Cooling Systems$79K
Sep 2014Federal contractDefense · Cryogenic System And Detectors$150K
Jul 2014Federal contractInterior · Igf::ot::igf "high Efficiency Superconducting Nanowire Single-photon Detectors"$150K

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.

Standing among 48 peers

Line = median

Quantum · Device

Federal grantsBelow median
Granted patents#19 · top 40%
Linked publications#8 · top 17%

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

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 1 granted of 2

Jun 9, 2020GrantedClosed-Cycle Cryogenic Refrigeration SystemUSPTOUS 10,677,499
May 21, 2015PendingClosed-Cycle Cryogenic Refrigeration SystemUSPTOApplication 14086277

Recent research by its founders

High-efficiency, high-count-rate 2D superconducting nanowire single-photon detector array202516 cites
Design and Performance of a Multi-mode Photon-counting Receiver for the NASA Orion Artemis II Optical Communications System20241 cites
Ultra-low loss quantum photonic circuits integrated with single quantum emitters2022108 cites

PHOTON SPOT, INC.Shares a founder: Vikas Anant
RYDBERG TECHNOLOGIES INCSimilar federal contract value in Quantum · $9.4M in contracts
FieldLine Industries IncSimilar federal contract value in Quantum · $9M in contracts
TRANSLUME INCSimilar federal contract value in Quantum · $8.7M in contracts
Rochester Precision Optics, LLCSimilar federal contract value in Quantum · $5.4M in contracts
SEEQC, INCSimilar federal contract value in Quantum · $4.3M in contracts

Regulatory activity · Quantum

Sector-level, not company-level

24 Apr 2026Eliminating Regulations Establishing Fellowships in Laboratory Standardization and Testing for Foreign CitizensNational Institute of Standards and Technology
19 Feb 2026Eliminating Obsolete Marking Requirements for Toy, Look-Alike, and Imitation FirearmsNational Institute of Standards and Technology
19 Feb 2026Eliminating Obsolete Regulations Related to the Advanced Technology Program and the Technology Innovation ProgramNational Institute of Standards and Technology

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.