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August 17,2026
Introduction to 3GHz Directly Modular Laser
August 10,2026
Characteristics of EDFA Optical Amplifier
August 06,2026
Special instructions for erbium-doped fiber amplifier(EDFA Optical Amplifier)
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August 17,2026
Introduction to 3GHz Directly Modular Laser
The 3GHz DML laser series is a module that integrates lasers, driver circuits, refrigerators, and temperature control circuits...
August 10,2026
Characteristics of EDFA Optical Amplifier
The working wavelength of EDFA Optical Amplifier falls precisely within the optimal wavelength range of 1330-1600nm for fiber optic communication...
August 06,2026
Special instructions for erbium-doped fiber amplifier(EDFA Optical Amplifier)
After receiving the EDFA Optical Amplifier, first ask what the input power is, and then use the link budget formula to calculate the expected output...
July 20,2026
The working principle of common intensity modulator
Different types of intensity modulators have their own characteristics in terms of principles, performance, and application scenarios...
July 13,2026
Structure of PIN photodetector
it is worth noting that PIN photodetectors are limited in their ability to detect weak light signals due to the lack of additional gain.
July 08,2026
The development trend of narrow linewidth laser
The evolution of laser feedback mode in narrow linewidth laser is the evolution of laser resonant cavity structure.
June 29,2026
Bandwidth and responsivity of photodetector
When choosing InGaAs photodetector, everyone wants the same specifications: bandwidth above 10 GHz and responsivity above 0.9 A/W...
June 22,2026
Photodetectors and cutoff wavelengths
The photodetector operates based on the photoelectric effect. The incident photons need to carry sufficient energy to excite electrons from the valence band...
June 17,2026
Application of Single Frequency Semiconductor Laser in Precise Measurement of Light Wave Interference
The application of single frequency semiconductor laser in precision measurement fields such as fiber optic hydrophones...
June 08,2026
Analysis of SLM Spatial Light Modulator Technology
Essence: A SLM spatial light modulator is a programmable optical device that can modulate the phase, amplitude...
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