NakuLaser Blog

 In the vast field of optical communication, L-band erbium-doped fiber amplifiers are playing an increasingly crucial role. The L-band, following the C-band, is a valuable spectrum resource that has been extensively explored in dense wavelength division multiplexing (DWDM) systems. The L-band erbium-doped fiber amplifier, based on erbium-doped fiber amplifier (EDFA) technology, is a core device specifically designed for efficient amplification of signals in this band, providing powerful support for long-distance, high-capacity optical communication systems. This is an L-band erbium-doped fiber amplifier.  This product uses an LCD touchscreen for control and display of operating parameters. We can see the amplifier's current input and output power, Pump Current (C1/C2), and pump laser temperature (T1/T2) on the screen. We can set the operating mode and adjust parameters on the screen. Click the Mode area to select the operating mode. In APC mode, we can set the power. Click th...

 The L-band high-power erbium-doped fiber amplifier is based on the principle of stimulated amplification of optical signals in erbium-doped fiber. It adopts efficient single-mode fiber optical amplification design and high-power laser heat dissipation technology to achieve high-power output of 1570~1605nm wavelength laser. It has the advantages of high power and low noise and can be used in fiber optic communication systems, fiber optic sensing, laser radar, etc. This is a L Band 37dBm erbium-doped fiber amplifier. High power EDFA has built-in cooling fan.  Here is a desktop type, customizable module fiber amplifier. The output can be adjusted on the screen . Use the up and down arrow buttons on the screen to adjust the power directly. You can also click 'PowerSet' or 'CurrenSet' and enter your desired power value. The amplifier can also be controlled by software. Click the 'Mode' area to switch the working mode. There are two modes to choose from: ACC and AP...

The L-band high-power erbium-doped fiber amplifier is based on the principle of stimulated amplification of optical signals in erbium-doped fiber. It adopts efficient single-mode fiber optical amplification design and high-power laser heat dissipation technology to achieve high-power output of 1570~1605nm wavelength laser. It has the advantages of high power and low noise and can be used in fiber optic communication systems, fiber optic sensing, laser radar, etc. Today I am introducing a brand new module-type 30dBm high-power erbium-doped fiber amplifier, which can also be customized as a desktop module. The operating wavelength is L-Band 1570nm~1605nm, and C-Band amplifiers can also be customized. High power EDFA module has built-in cooling fan. The Input & Output fiber tpe here is SMF-28e, and PM fiber can also be customized. There are two control modes, ACC (Automatic Current Control) & APC (Automatic Power Control). The amplifier can also be controlled by software, the Re...

  C+L Band 26dBm Erbium-doped Fiber Amplifier is a device that plays a key role in optical fiber communication systems. It uses erbium-doped technology to amplify optical signals by doping erbium ions in the optical fiber and using the energy level transition of erbium ions. This amplifier has the characteristics of high efficiency, stability, wide bandwidth and low noise, and can significantly improve the performance of optical fiber communication systems. This EDFA operates in the C+L band, which means it can cover a wider spectral range to adapt to the needs of different optical fiber communication systems. Its high power output of 26dBm ensures the stability and strength of optical signals during transmission, effectively reducing signal attenuation and distortion. In addition, the amplifier has excellent noise performance and is able to amplify optical signals while maintaining low noise levels, which is crucial for improving communication quality. At the same time, its wide ...

 The one in the video is a benchtop 40dBm erbium-doped fiber amplifier. The input and output fibers of the PM amplifier are polarization maintaining fiber PM1550 and the connector keys are aligned the slow axis. This EDFA is designed to amplify optical signals up to 10W average power for high power applications at 1550nm wavelength range. The operating current or output power can be adjusted by pressing the button. You can choose the software control function and use the RS232 interface to connect to the software. The two working modes of ACC and APC can be switched. In APC mode, the output power can be adjusted. In ACC mode, the operating current can be adjusted. The high-power polarization-maintaining erbium-doped fiber amplifier is based on the polarization-maintaining double-clad erbium-doped fiber amplification technology. It adopts a unique fiber packaging process and a reliable high-power laser protection design to achieve high-power laser polarization-maintaining output i...

 This is a C-band 37dBm high power erbium-doped fiber amplifier . The high-power EDFA module comes with a heat sink. We can control EDFA through software or host computer commands. Both PM and SM fibers can be customized. This is a modular design, and the desktop EDFA can also be customized, and the desktop EDFA can be controlled by buttons. High power erbium doped fiber amplifier (EYDFA-HP-BA), based on amplification technology of double clad erbium doped fiber, unique optical packaging technology, and with reliable hardware light path protection design, realized high power laser output in C band or L band, It has the advantages of high gain and low noise, and can be widely used in CATV, optical fiber communication, laser radar, etc.. The interface of the control software. The test report of 37dBm EDFA.

 Ytterbium-doped fiber amplifier (YDFA) generates gain by pumping ytterbium-doped fiber with semiconductor laser , which is used to amplify laser signals in the 1030~1100nm band, Hi1060 single-mode fiber output, the output power is continuously adjustable, with high gain and low The advantage of noise. The desktop YDFA is convenient for experimental operation, and the user can adjust the pump current and output power through the buttons on the front panel. A more compact modular YDFA is also available, which is convenient for users' system integration. Both desktop YDFA and modular YDFA can support PC software control and serial port command control. What we are going to talk about today is 37dBm 5W single-mode YDFA and 40dBm 10W PM YDFA. First up is 5W SM YDFA. This fiber amplifier built-in 3 cooling fans.  The test report of YDFA-37-SM. The following is 40dBm PM YDFA. It's a high power polarization maintaining ytterbium-doped optical amplifier. Civil Laser's high power...

 This is a C-Band 30dBm module type EDFA . It is equipped with SMF-28e single-mode fiber, and polarization-maintaining fiber can also be customized. This is a high-power EDFA, with a row of aluminum sheets on one side of the shell for easy heat dissipation. This is a modular design, and desktop EDFA can also be customized. High power erbium doped fiber amplifier (EYDFA-HP-BA)，based on amplification technology of double clad erbium doped fiber ， unique optical packaging technology,  and with reliable hardware light path protection design, realized high power laser output in C band or L band， It has the advantages of high gain and low noise, and can be widely used in CATV, optical fiber communication, laser radar, etc.. The test report & spectrum analysis chart &  relationship between power current and output power of C-Band 30dBm SM EDFA.

This is a 26dBm polarization-maintaining EDFA. Control EDFA with buttons, and software control function can be added. It supports APC and ACC two working modes. Let's check it now. Operation method: The left and right arrow buttons are used to switch the APC and ACC working modes. In ACC mode, the up and down arrow buttons are used to adjust the working current. In APC mode, the up and down arrow buttons are used to adjust the output power. The square button in the middle is the confirmation key. After the Active key is turned ON, the EDFA starts working. Test report: Polarization-maintaining erbium-doped fiber amplifier (EDFA-PM) is a family of fiber amplifier products dedicated to polarization-maintaining fiber systems. It has the advantages of high gain, low noise, and polarization retention. It supports host computer software control. Need to provide bench-top or rack-mount package, accept parameter customization.

 It's a 40dBm erbium-doped fiber amplifier . The working status of this EDFA is controlled by buttons. This is a very high power fiber amplifier with 3 cooling fans inside. This EDFA is configured with single-mode fiber. The left and right buttons switch between ACC/APC two control modes. ACC automatic current control, the current setting range is 0~9600mA. APC automatic power control, the power setting range is 23~33dBm.The up and down buttons are to adjust the current/power. The middle button is the confirmation key. Let's check it now. High-power single-mode erbium-doped fiber amplifier (EYDFA-HP) is based on the principle of laser amplification of optical signals in erbium-doped fiber, using unique multi-stage optical amplification design and reliable high-power laser heat dissipation technology to achieve the wavelength range of 1540~1565nm Internal high-power laser output. It has the advantages of high power and low noise, and can be used for optical fiber communication,...

Newest EDFA Products list. Include C-band / L-band , Pre – Amplifier PA, Booster – Amplifier BA EDFA. EDFA Type EDFA Description Product Link EDFA-C-PA-Single Channel EDFA: Erbium-doped Fiber Amplifier Wavelength range: 1530~1565nm C-band PA: Pre-Amplifier, small signal amplifier Single Channel: Recommended for single wavelength amplification. But when the multi-wavelength light source is amplified, the gain flatness is too large. Gain flatness: 3dB Click Here EDFA-C-BA-Single Channel EDFA: Erbium-doped Fiber Amplifier Wavelength range: 1530~1565nm  C-band BA: Booster Amplifier, power amplifier Single Channel: Recommended for single wavelength amplification, high output power. But when the multi-wavelength light source is amplified, the gain flatness is too large. Gain flatness: 3dB Click Here EDFA-C-PA-Flat Gain EDFA: Erbium-doped Fiber Amplifier Wavelength range: 1530~1565nm  C-band PA: Pre-Amplifier, small signal amplifier Flat Gain: Recommended for m...

C-Band 15~26dBm  EDFA  In-Line Amplifier Desktop Type With LCD Display In-Line amplifier (LA)  is an optical power amplifier product dedicated to line relays in fiber laser or fiber communication systems. It combines the advantages of PA amplifiers and BA amplifiers. It has the advantages of high gain, high transmission power, and relatively low noise. Between fiber segments to increase the length of the relay or the corresponding single-point to multi-point part of the optical access network to compensate for the branch loss. [Features] Wide wavelength range High gain factor High output power [Applications] Optical fiber communication Optical fiber sensing Fiber laser [Specification] Parameters Unit Typical Value Remarks Wavelength Range nm 1530~1565nm C-band Input power dBm -25 ~ -3 Saturated Output Power dBm 13/17/23/25/26 @-10dBm input Small Signal Gain Factor dB 35 @-25dBm Input Noise Figure dB 5.5 @ -10...