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A scheme of optical frequency thinning based on MZM modulator
A scheme of optical frequency thinning based on MZM modulator The optical frequency dispersion can be used as a liDAR light source to simultaneously emit and scan in different directions, and it can also be used as a multi-wavelength light source of 800G FR4, eliminating the MUX structure. Usuall...Read More -
Silicon optical modulator for FMCW
Silicon optical modulator for FMCW As we all know, one of the most important components in FMCW-based Lidar systems is the high linearity modulator. Its working principle is shown in the following figure: Using DP-IQ modulator based single sideband modulation (SSB), the upper and lower MZM work a...Read More -
A new world of optoelectronic devices
A new world of optoelectronic devices Researchers at the Technion-Israel Institute of Technology have developed a coherently controlled spin optical laser based on a single atomic layer. This discovery was made possible by a coherent spin-dependent interaction between a single atomic layer and a ...Read More -
Learn laser alignment techniques
Learn laser alignment techniques Ensuring the alignment of the laser beam is the primary task of the alignment process. This may require the use of additional optics such as lenses or fiber collimators, especially for diode or fiber laser sources. Prior to laser alignment, you must be familiar wi...Read More -
Optical components technology development trend
Optical components refer to the main components of optical systems that use optical principles to carry out various activities such as observation, measurement, analysis and recording, information processing, image quality evaluation, energy transmission and conversion, and are an important part ...Read More -
A Chinese team has developed a 1.2μm band high-power tunable Raman fiber laser
A Chinese team has developed a 1.2μm band high-power tunable Raman fiber laser Laser sources operating in the 1.2μm band have some unique applications in photodynamic therapy, biomedical diagnostics, and oxygen sensing. In addition, they can be used as pump sources for parametric generation of mi...Read More -
Deep space laser communication record, how much room for imagination?Part Two
The advantages are obvious, hidden in the secret On the other hand, laser communication technology is more adaptable to the deep space environment. In the deep space environment, the probe has to deal with ubiquitous cosmic rays, but also to overcome celestial debris, dust and other obstacles in ...Read More -
Deep space laser communication record, how much room for imagination?Part one
Recently, the US Spirit probe completed a deep space laser communication test with ground facilities 16 million kilometers away, setting a new space optical communication distance record. So what are the advantages of laser communication? Based on technical principles and mission requirements, wh...Read More -
Research progress of colloidal quantum dot lasers
Research progress of colloidal quantum dot lasers According to the different pumping methods, colloidal quantum dot lasers can be divided into two categories: optically pumped colloidal quantum dot lasers and electrically pumped colloidal quantum dot lasers. In many fields such as the laboratory ...Read More -
Breakthrough! The world’s highest power 3 μm mid-infrared femtosecond fiber laser
Breakthrough! The world’s highest power 3 μm mid-infrared femtosecond fiber laser Fiber laser to achieve mid-infrared laser output, the first step is to select the appropriate fiber matrix material. In near-infrared fiber lasers, quartz glass matrix is the most common fiber matrix material ...Read More -
Overview of pulsed lasers
Overview of pulsed lasers The most direct way to generate laser pulses is to add a modulator to the outside of the continuous laser. This method can produce the fastest picosecond pulse, although simple, but waste light energy and peak power cannot exceed continuous light power. Therefore, a more...Read More -
A high performance ultrafast laser the size of a fingertip
A high performance ultrafast laser the size of a fingertip According to a new cover article published in the journal Science, researchers at the City University of New York have demonstrated a new way to create high-performance ultrafast lasers on nanophotonics. This miniaturized mode-locked lase...Read More
