# Redfern Photonics

> Redfern Photonics is a VC fund in Sydney backing Electronics, Clean Energy and Manufacturing. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Sydney, Australia
- Total investments: 2
- Last investment: Jul 2005
- Lead investor: 0%
- Last updated: Aug 2026

Redfern Photonics is a VC fund in Sydney focused on Electronics and Clean Energy. Redfern Photonics through its subsidiaries, researches, develops, and manufactures optical telecommunications products.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Electronics | 1 | 50% |
| Clean Energy | 1 | 50% |
| Manufacturing | 1 | 50% |
| Social Impact | 1 | 50% |
| Product Design | 1 | 50% |

8 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series C | 1 | 50% |
| Funding Round | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Redfern Integrated Optics | Redfern Integrated Optics develops and manufactures optical transmitters based on proprietary PLANEX (Planar External Cavity Laser) technology, which enables high performance at low cost for various applications.RIO planar ECL consists of a gain chip and a planar waveguide circuit (PLC) with Bragg grating which forms a laser cavity. This hassignificant advantages such as; very narrow spectral linewidth, low phase noise and RIN, optimized chirp, low wavelength sensitivity to temperature and bias current, and low power consumption. | $8.4M | Series C | Jul 13, 2005 |  |
| RBN | RBN is a designer and developer of optical networking solutions for Outside Plant Remote Terminals, Central Offices and Enterprise environments. They develop technology solutions that address service provider problems around cost, capacity and expansion of new services. | $9.5M |  | Apr 21, 2004 |  |

2 of 2 investments shown.

## Co-investors
- [Advent International](https://shizune.co/investors/profile/advent-international) — VC Fund, 1 deal together
- [Allen & Buckeridge](https://shizune.co/investors/profile/allen-buckeridge) — VC Fund, 1 deal together
- [GE Equity](https://shizune.co/investors/profile/ge-equity) — VC Fund, 1 deal together
- [Jolimont Capital](https://shizune.co/investors/profile/jolimont-capital) — VC Fund, 1 deal together
- [Macquarie Capital](https://shizune.co/investors/profile/macquarie-capital-funds) — VC Fund, 1 deal together
- [Paecal Investments](https://shizune.co/investors/profile/paecal-investments) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund
- [New Enterprise Associates](https://shizune.co/investors/profile/new-enterprise-associates) — VC Fund
- [Bessemer Venture Partners](https://shizune.co/investors/profile/bessemer-venture-partners) — VC Fund

## FAQ

### What does Redfern Photonics invest in?

Redfern Photonics invests primarily in Electronics, Clean Energy and Manufacturing startups, most often at Series C and Funding Round stage. Most of the 2 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Redfern Photonics last invest?

The most recent investment recorded for Redfern Photonics closed in Jul 2005. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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