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October 12,2026
What equipment is required for the production and testing of 800G optical modules
September 28,2026
The operating steps of free space acousto-optic modulator
September 22,2026
Design considerations for high-power semiconductor laser
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November 24,2025
Influencing factors of system error of photodetectors
There are many parameters related to the system error of photodetectors, and the actual considerations vary according to different project applications.
November 18,2025
Analysis of System Errors of Photodetector
The photodetector has output inconsistency for the same random input, which is a random error. The maximum deviation of the forward...
November 17,2025
Optical path design of rectangular pulsed lasers
At present, there are two basic methods for increasing the pulse energy of pulsed lasers.
November 11,2025
Introduce the bandwidth and rise time of the photodetector
The bandwidth and rise time (also known as response time) of a photodetector are key items in the testing of the optical detector.
November 10,2025
The latest research on dual-color semiconductor lasers
Recently, a dual-color semiconductor laser team in China has proposed an innovative chip design to address this challenge.
November 04,2025
How to reduce the noise of photodetectors
The noise of photodetectors mainly includes: current noise, thermal noise, shot noise, 1/f noise and wideband noise, etc.
November 03,2025
High-power pulsed laser with all-fiber MOPA structure
The main structural types of fiber lasers include single resonator, beam combination and master oscillating power amplifier (MOPA) structures.
October 28,2025
The key items of photodetector testing
The bandwidth and rise time (also known as response time) of photodetectors, as key items in the testing of detectors...
October 27,2025
Optical path design of polarized fiber narrow-linewidth laser
In a polarized fiber narrow-linewidth laser, the linearly polarized fiber laser oscillator is composed of a pair of polarization-maintaining fiber gratings...
October 21,2025
All-fiber single-frequency DFB laser
The central wavelength of a conventional DFB fiber laser is 1550.16nm, and the side-to-side rejection ratio is greater than 40dB.
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