NEWS&TOPICS

LQUOM Completes Series B Second Close, Advancing Toward the Social Implementation of the Quantum Internet

～ Total funding reaches JPY 1.23 billion, exceeding initial target with oversubscription ～

LQUOM Inc. (Headquarters: Yokohama, Kanagawa, Japan; CEO: Kazuya Niizeki; hereinafter “LQUOM”) is pleased to announce the successful completion of the second close of its Series B funding round. As a result, total funding for the Series B round has reached JPY 1.23 billion, exceeding the initial target and achieving an oversubscribed close.

In this second close, Nissay Capital Co., Ltd., MPower Partners, and SCREEN Holdings Co., Ltd. joined as new investors. This further strengthens LQUOM’s shareholder base and enhances its ability to accelerate the social implementation of quantum repeater technologies from financial, industrial, and global network perspectives.

■Background and Progress
LQUOM has been advancing technological development and real-world validation to establish the quantum internet as next-generation infrastructure. The quantum internet is expected to serve both as a secure communication platform for post-quantum cryptography and as a distributed computing infrastructure connecting geographically dispersed quantum devices.

Through the development of quantum repeater technologies that preserve and regenerate quantum information over long distances, LQUOM is building a secure network foundation for quantum cryptography. At the same time, the company is advancing research to enable distributed quantum computing by interconnecting multiple quantum systems.

These efforts go beyond basic research, incorporating real-world validation and industry collaboration to enhance readiness for practical implementation. The Series B round marks a key milestone in transitioning these achievements into commercialization.

Recently, LQUOM was selected to receive funding support from NEDO (New Energy and Industrial Technology Development Organization), demonstrating steady progress in securing external funding and advancing public research projects. These developments are further accelerating the social implementation of next-generation quantum network infrastructure technologies.

LQUOM views the oversubscription of its Series B round as a strong vote of confidence from the market in its technological progress and tangible advancement toward commercialization.

■Use of Funds
Following the completion of the second close, LQUOM will further accelerate the following initiatives:

  • Advancement of research and development to improve the performance and reliability of quantum repeaters
  • Expansion of demonstration experiments in domestic and international testbeds
  • Strengthening partnerships for the implementation of quantum communication networks
  • Expansion of business infrastructure with a focus on global markets

The quantum internet is expected to serve as a core infrastructure for secure information and communication in the future. LQUOM will continue to translate its research achievements into real-world applications and contribute to the development of next-generation communication networks through the social implementation of quantum repeater technologies.

■Comments from Investors (in no particular order)
Naoki Akiyama, President, Nissay Capital Co., Ltd.
We are honored to become a new parter of LQUOM, Inc., tackling the highly challenging field of developing long-distance quantum communication technology. Taking advantage of our long-term investment capabilities, we actively support deep-tech startups. LQUOM’s technology represents a core element of Japan’s industrial competitiveness, and our investment aligns with our mission to promote Japanese technological strengths globally. Through this investment, we aim to accelerate the realization of quantum computing and secure communication, contributing to a sustainable future society.

Noriyuki Ito, Senior Capitalist, Nissay Capital Co., Ltd.
As the quantum communication market transitions from its early stage to a growth phase, long-distance communication enabled by quantum repeaters is an essential component for realizing distributed quantum computing and secure data transmission. We see significant potential in LQUOM’s innovative entangled photon source and repeater technologies, as well as its strong capability to bring these technologies to practical implementation. Together with the excellent management team led by Mr. Niizeki and Mr. Mochizuki, we are committed to supporting this ambitious vision of the quantum internet.

Yumiko Murakami, General Partner, MPower Partners
As quantum computing approaches practical use, the vulnerabilities of existing internet infrastructure relying on conventional cryptography have become a pressing issue across industries. LQUOM is a rare team globally, combining deep academic roots from Yokohama National University with the ability to develop all key technologies required for quantum repeaters in-house. We strongly support LQUOM’s challenge to realize the quantum internet as next-generation infrastructure by leveraging Japan’s strengths in quantum optics and precision technologies.

Nao Shimoosako, General Manager, Marketing Department, Technology Strategy Division, SCREEN Holdings Co., Ltd.
Quantum repeaters are a critical foundational technology for both quantum computing and quantum communication and are expected to play an essential role in realizing future quantum networks. Recognizing LQUOM as a company with unique technological strengths in this field, we have decided to invest. Through this partnership, we aim to connect technologies and talent between our organizations and contribute to the social implementation of quantum technologies.

■Message from the CEO
Kazuya Niizeki, CEO, LQUOM Inc.
We are very encouraged to have completed our Series B round beyond the initial target. We would like to express our sincere gratitude to our existing investors for their continued support, as well as to our new investors for joining us.

As expectations grow for quantum cryptography and distributed quantum computing, the quantum internet is becoming increasingly important as next-generation infrastructure. With this funding, we will further accelerate both research and commercialization efforts and continue advancing toward the social implementation of the quantum internet.

■Company Overview: LQUOM Inc.

  • Head Office: 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa, Japan
  • Established: January 2020

Representative: Kazuya Niizeki, CEO

LQUOM is a quantum technology startup from Yokohama National University developing quantum communication systems, quantum repeaters, and related technologies to realize the Quantum Internet. As the performance of quantum computers improves, current encryption algorithms may become vulnerable to decryption. To counter this threat, quantum communication technologies offering theoretically unbreakable security are essential. For long-distance, secure communication, repeaters are necessary. Quantum repeaters dedicated to quantum communication are indispensable to realize the Quantum Internet, and LQUOM possesses the core technologies required for their development. Through the development of entanglement-based quantum repeater systems, LQUOM aims to bring the Quantum Internet—a secure next-generation network—into practical use.

＜ Cavity-enhanced two-photon source ＞

Specifications of LQ-PS-100

Wavelength606 nm* + 1550 nm
Linewidth< 5 MHz (@606 nm)

Media Contact
LQUOM Inc. – PR Team
Email : contact@lquom.com

View All