Quintessent
Agent54Agent Readiness: 54/100. Top 25%. Measured by StartupHub.ai. Median 41.Trust71Data Trust: 71/100. Above median. Measured by StartupHub.ai. Median 61.Developing quantum-dot lasers and optical amplifiers integrated into SiPho-based PICs for chip-to-chip communication.
About
Quintessent is a startup focused on creating advanced optical connectivity solutions to address the growing bottleneck in data transfer speeds for AI and large-scale computing. They achieve this by integrating quantum-dot lasers and optical amplifiers with silicon photonic integrated circuits (SiPho).
Listed competitors
Avicena develops microLED interconnects for AI data centers, enabling ultra-low power, high bandwidth chip-to-chip optical connections.
Leading semiconductor manufacturer designing and producing microprocessors for computing devices.
Venture capital firm investing in early-stage, AI-native, and technology-driven businesses.
Also in this space
Ncodin develops optical interposer technology with integrated nanolasers to overcome the limitations of traditional copper interconnects for AI.
Shares AI Hardware & Chips, Semiconductor
Anello Photonics delivers resilient, high-precision navigation solutions for GPS-denied environments using proprietary SiPhOG™ technology.
Shares Semiconductor, Chip Design
Developing photonic computing and interconnect technology to accelerate AI infrastructure and improve energy efficiency.
Shares Semiconductor, AI Infrastructure
Developing practical photonic quantum computers using a novel photon-atom gate architecture.
Shares AI Hardware & Chips, Semiconductor
Develops scalable, extreme-bandwidth optical interconnects for data centers and AI clusters using comb laser technology.
Shares Semiconductor, Chip Design
Graphene technology for faster AI data transfer
Shares Semiconductor, Chip Design
Key facts
- Website
- quintessent.com
- Headquarters
- Palo Alto, United States
- Founded
- 2019
- Total funding
- $64M (Series A)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 24 Aug 2026 | Series A | $40M | Cycle Capital |
| 14 Mar 2024 | Seed | $12M | Osage University Partners |
| 1 Oct 2023 | Seed | $12M |
Tech stack
Detected on quintessent.com, last scanned 23 Sept 2026. Run your own scan
- Observability
- Sentry
- CMS / Builders
- Wix
- Email provider
- Google Workspace
Quintessent scores 25. Does yours?
That is its Ahrefs DR: the backlink strength of a domain, on the Ahrefs 0 to 100 scale. Paste your website and you get yours in about a minute.
Frequently asked
Is Quintessent trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Quintessent is 71 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Quintessent raised?
Quintessent has raised a total of $64M in funding. The most recent round on record is Series A.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Quintessent
