# Quintessent

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/quintessent

- Industry: Hardware
- Headquarters: Goleta, US
- Website: www.quintessent.com
- Total disclosed funding: $52M
- Latest round: Series A (Aug 24, 2026)
- Investors on record: 14

## About

Based in California, US, and founded in 2019, Quintessent operates as a computer-related peripherals development company offering solutions to scale computing and AI (artificial intelligence). In August 2026, Quintessent raised USD 40 million in series A funding from Cycle Capital Management, Catena Networks, Safar Partners, InterVest Capital Partners, Susquehanna Growth Equity, Goldman Sachs XIG-Industry Ventures, Ciena Corporation, and Industry Ventures, Foothill Ventures, Sierra Ventures, OUP (Osage University Partners), M Ventures, 1.2 capital, Hina Liberty Capital. The firm, as of October 2023, is led by its co-founder and CEO, Alan Liu.

The company engages in the development of optical connectivity solutions aimed at scaling computing and artificial intelligence. Quintessent’s technology stack encompasses O-band quantum dot lasers/amplifiers, silicon photonic integrated circuits, and scalable communication architectures. By integrating optical interconnect technology with compute chips, Quintessent enables massively accelerated and power-efficient communication across any distance within the datacenter.

The company plans to use the August 2026 funding to advance its comb laser product through sampling, qualification, and manufacturing scale-up, while developing additional optical components and an optical engine for AI data center interconnects.

## Funding rounds

- Series A, Aug 24, 2026, $40M — Sierra Ventures, Industry Ventures, OUP (Osage University Partners), M Ventures, Cycle Capital Management, Susquehanna Growth Equity, Catena Networks Inc, Ciena Corporation, InterVest Capital Partners, 11.2 Capital, Foothill Ventures, Safar Partners, Hina Liberty Capital
- Seed, Oct 10, 2023, $12M — Sierra Ventures, OUP (Osage University Partners), M Ventures, Foothill Ventures, Entrada Ventures

## Investors

- Sierra Ventures (https://capitalatlas.ai/funds/sierra-ventures) — Seed, Series A
- OUP (Osage University Partners) (https://capitalatlas.ai/funds/oup-osage-university-partners) — Seed, Series A
- M Ventures (https://capitalatlas.ai/funds/m-ventures) — Seed, Series A
- Foothill Ventures (https://capitalatlas.ai/funds/foothill-ventures) — Seed, Series A
- Entrada Ventures (https://capitalatlas.ai/funds/entrada-ventures) — Seed
- Industry Ventures (https://capitalatlas.ai/funds/industry-ventures) — Series A
- Cycle Capital Management (https://capitalatlas.ai/funds/cycle-capital-management) — Series A
- Susquehanna Growth Equity (https://capitalatlas.ai/funds/susquehanna-growth-equity) — Series A
- Catena Networks Inc — Series A
- Ciena Corporation — Series A
- InterVest Capital Partners — Series A
- 11.2 Capital (https://capitalatlas.ai/funds/11-2-capital) — Series A
- Safar Partners (https://capitalatlas.ai/funds/safar-partners) — Series A
- Hina Liberty Capital — Series A