Hainan Normal University (20240250500). MONOLITHIC INTEGRATED MULTI-SEGMENT CASCADE OPTICAL FREQUENCY COMB AND CHIP THEREOF simplified abstract

MONOLITHIC INTEGRATED MULTI-SEGMENT CASCADE OPTICAL FREQUENCY COMB AND CHIP THEREOF

Organization Name

Hainan Normal University

Inventor(s)

Zhongliang Qiao of Haikou (CN)

Yi Qu of Haikou (CN)

Haoran Wan of Haikou (CN)

Wenjun Yu of Haikou (CN)

Dengqun Weng of Haikou (CN)

Xiaohu Hou of Haikou (CN)

Menghao Wu of Haikou (CN)

Ke Hu of Haikou (CN)

Zhibin Zhao of Haikou (CN)

Hao Chen of Haikou (CN)

Zaijin Li of Haikou (CN)

Lina Zeng of Haikou (CN)

Lin Li of Haikou (CN)

Guojun Liu of Haikou (CN)

MONOLITHIC INTEGRATED MULTI-SEGMENT CASCADE OPTICAL FREQUENCY COMB AND CHIP THEREOF - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240250500 titled 'MONOLITHIC INTEGRATED MULTI-SEGMENT CASCADE OPTICAL FREQUENCY COMB AND CHIP THEREOF

The abstract describes a monolithic integrated multi-segment cascade optical frequency comb and its chip, which is used in sensing detection, quantum information, and optical communication technology. The optical frequency comb consists of a first semiconductor passive mode-locking laser, a semiconductor optical amplifier, and a second semiconductor passive mode-locking laser connected in sequence.

• The first semiconductor passive mode-locking laser includes a reverse bias absorption area integrated with an optogalvanic distribution grating and a gain cavity length extender.
• The second semiconductor passive mode-locking laser includes a reverse bias absorption area and a gain cavity length extender.
• The structures are connected to each other by electrical isolation grooves.

• • Key Features and Innovation:**
• Small size
• High efficiency
• Tunable
• Fundamental mode
• High power
• Narrow pulse width
• Wide spectrum
• Flexible controllability

• • Potential Applications:**

This technology can be used in various fields such as sensing detection, quantum information processing, and optical communication systems.

• • Problems Solved:**

This technology addresses the need for a compact, efficient, and controllable optical frequency comb for various applications.

• • Benefits:**

The benefits of this technology include high efficiency, tunability, and flexibility in controlling the optical frequency comb.

• • Commercial Applications:**

This technology has potential commercial applications in industries such as telecommunications, spectroscopy, and quantum computing.

• • Questions about the Technology:**

1. How does the monolithic integrated multi-segment cascade optical frequency comb improve efficiency in optical communication systems? 2. What are the specific advantages of using a semiconductor passive mode-locking laser in this technology?

• • Frequently Updated Research:**

Researchers are continuously exploring ways to enhance the performance and applications of monolithic integrated multi-segment cascade optical frequency combs in various fields.

Original Abstract Submitted

a monolithic integrated multi-segment cascade optical frequency comb and its chip are disclosed, which belongs to the technical field of sensing detection, quantum information and optical communication technology. the optical frequency comb includes a first semiconductor passive mode-locking laser, a semiconductor optical amplifier, and a second semiconductor passive mode-locking laser sequentially integrated and connected; the first semiconductor passive mode-locking laser includes a first reverse bias absorption area integrated with an optogalvanic distribution grating and a first gain cavity length extender (coupled multi-ring or multi-disk); the second semiconductor passive mode-locking laser includes a second reverse bias absorption area and a second gain cavity length extender (coupled multi-ring or multi-disk); each structure is connected to each other by electrical isolation grooves. through the above structure, the present disclosure realizes an optical frequency comb with small size, high efficiency, tunable, fundamental mode, high power, narrow pulse width, wide spectrum and flexible controllability.