Eagleyard Release 780nm 3W tapered amplifier

Fu Tai Technology (Hong Kong) Limited together the world's leading high-power semiconductor laser tube manufacturers Eagleyard Photonics, officially launched 780nm 3W tapered amplifiers for such product series has added a new member.

Tapered amplifier is composed of a tapered single-mode ridge waveguide cross-sectional structure of design, combined with high beam quality and high output power characteristics, inherited the source characteristics of all seeds, is the best master oscillator power amplifier (MOPA) system choice.

Recently, Eagleyard introduced a more powerful tapered amplifier, the output power up to 3W, tunable range of 770 ~ 790nm.

"This new product can meet complex applications, such as rubidium atomic spectroscopy, Bose - Einstein condensates bring obvious benefits of power can greatly enhance the flexibility of multi-channel program of life and the whole system." Eagleyard The Chief Technology Officer Dr. Thomas Laurent said.

Eagleyard rich product portfolio not only covers the 780nm 1W and 2W tapered amplifier, can also provide a wavelength of 650nm, 670nm, 690nm, 765nm, 795nm, 808nm, 830nm, 850nm, 870nm, 915nm, 925nm, 980nm different output power tapered amplifier.

US successfully developed white laser

Recent US research and development breakthroughs in optical communications award, the successful development of white laser and the successful development of new materials, is expected to bring ultrafast all-optical communications, optical communications industry again welcome the revolutionary events.

Since the 1960s the advent of the laser has been in a number of areas, "flourish", but it has been a short board, is the only issue single wavelength of light. Now, US scientists have solved this problem, they first developed a laser capable of emitting white light. The researchers said more bright white light laser capable of efficient than light-emitting diode (LED), the future will play an important role in lighting and wireless communications.

According to physicist organization network on July 30 reported that the US electronics, computer and energy engineering college of Arizona State University team led by political rather keep developed a novel nano-flakes. The size of the piece of thin semiconductor is only one fifth of a human hair, the thickness of only one-thousandth the thickness of a human hair, which has three parallel sections, each section can emit red, blue and green in one of the three primary colors color laser. The entire device can transmit all visible light laser, from red to green to blue, or any color in between, when the three primary colors "encounter", it appears white laser.

New research into the mainstream so that the laser light source to replace LED step forward. Laser brighter, more energy efficient and can provide a more accurate and vivid display of bright colors, can be used on the computer and television screens. The researchers also confirmed that their new device can emit display than the current industry standard of 70% more color.

Another important application of this study will be visible or communications, or future interior lighting system can also be used for communication. Scientists are currently developing a technology called "Li-Fi" (that is visible to wireless communications, optical pulses with fast wireless transmission of information). And now the "Wi-Fi" using radio waves. Li-Fi speeds can reach 10 times the Wi-Fi, and white laser Wi-Fi may be currently being developed LED-based Li-Fi are 10-100 times.

Although this concept is very important, but if we want to apply to this laser hair white within a real-life lighting or display systems, also face great obstacles. The researchers said the next key is to get the same white laser in battery driven. On the current demonstration, the researchers must use a laser to make the electronic light. The latest experiment will ultimately pave the way white laser under electrical operation.

Tunable laser application in optical communication

Tunable lasers network applications can be divided into two parts: static applications and dynamic applications.

In static applications, tunable laser wavelength is set in the course does not change over time. The most common application of static laser is used as a source of alternative, i.e., for use in dense wavelength division multiplexing (DWDM) transmission system, so that a tunable laser to act as a plurality of fixed wavelength laser and a flexible back-up source of the laser can be reduced by the number of systems required to support all the different wavelengths of the line card.

Static applications, the main requirements for tunable laser is the price, output power and spectral characteristics, ie width and stability and it should replace the fixed-wavelength laser fairly. Wavelength tunable range greater the cost, the better, without the need to adjust the speed more quickly. Currently, with a precision of DWDM tunable laser system more and more applications.

Future, as a backup tunable lasers also require faster response speed. When a DWDM channel failure, a tunable laser can automatically enable it back to work. To achieve this function, the laser must be adjusted and locked at a wavelength of failure within 10 ms or less time, so as to ensure that the entire recovery time is shorter than the synchronous optical network requirements of 50 milliseconds or less.

In dynamic applications require a tunable laser wavelength can be changed regularly at work, in order to enhance the flexibility of the optical network. Such applications are generally required to provide dynamic wavelength in order to join or propose a wavelength from one network segment to meet the capacity required changes. It has been proposed a simple and more flexible ROADMs structure: this is based on use of tunable lasers and tunable filters architecture. Tunable lasers can add to the system certain wavelength, and tunable filter can filter out certain wavelengths from the system. Tunable lasers can also address cross-coupling inside the light wavelength blocking problems. To avoid this problem optical switching interface - Currently, most optical cross-coupled fiber ends using light - electricity. If you are using tunable lasers at the input to the OXC input, you can choose to protect certain wavelengths of light waves with a clear path to the end.