Driving the future of integrated photonics,Research on Enabling On-Chip Soliton Optical Frequency Combs

Optical frequency comb,As a precision measurement“Ruler of Light”,It is undergoing a revolutionary leap from desktop systems to chip integration.。On-chip soliton optical frequency comb,Because of its application in ultra-high capacity optical communication、lidar(LiDAR)、The enormous application potential in fields such as optical computing,It has become a competitive high ground in the global field of integrated photonics.。recently,A study published in a leading optics journal《Laser & Photonics Reviews》Research,A method based on“Pump phase modulation switch”Breakthrough solution,existCband(1550nm)High purity achieved、Low-noise microcavity soliton optical frequency comb stably generates,This has greatly promoted the practical application of the technology.。

Behind this cutting-edge research,A key technological bottleneck is:How to overcome the complex competition between nonlinear effects and thermal effects in microcavities,Achieving reliable excitation and maintenance of soliton states?The core of the solution,High performance is indispensable、Highly controllable pump light source。Only those with high output power、Laser chips with ultra-narrow linewidth and low noise characteristics,Only then can support“Pump modulation switch”The precise energy return and thermal balance compensation mechanism in this dynamic process。

Our company focuses on the independent research and development of high-end optical chips.,Having mature 1550 DFBlaser chip,Its superior performance is highly compatible with the needs of cutting-edge integrated photonics applications.:

High power output:Provides ample pump energy for ultra-high quality factor microcavities.,Ensure that the intracavity nonlinear effect is fully excited,It is the primary condition for the stable generation of soliton optical frequency combs.。

Ultra-narrow linewidth:Extremely low frequency noise ensures that the pump light can precisely lock onto the microcavity resonant mode.,Avoid soliton state collapse due to frequency mismatch,It is the core guarantee for achieving high-purity single soliton spectroscopy.。

Low noise characteristics:Excellent relative intensity noise suppression capability,This ensures that the final output optical frequency comb has perfect low-noise characteristics in the radio frequency domain.,Meets coherent optical communication、The stringent requirements of high-performance applications such as precision measurement。

Our company1550 DFBlaser chip,Not only a core component of current optical communication networks,Furthermore, it already possesses the technological strength to support cutting-edge integrated photonics exploration.。It can provide ultra-high quality factor microcavities(likeQvalue>10⁷silicon nitride microcavities)Provide ideal pump excitation,This will help researchers achieve the entire process of soliton excitation and dynamic control on chips.。

As integrated photonics technology moves towards higher performance、Continuing to evolve towards higher integration,Our company will continue to dedicate itself to providing high-power...、Narrow line width、Low noise1550 DFBLaser chip products,On-chip optical frequency comb、Precision measurement、Laying a solid foundation for future applications such as quantum optics“Path of Light”。

picture1:Principle and experimental setup for generating soliton microcombs based on pump-phase modulation switches

picture2:Used for docking with silicon photonics1550DFBchip physical image