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Cornell engineers have created a deep-ultraviolet laser using semiconductor materials that show great promise for improving the use of ultraviolet light for sterilizing medical tools, purifying water,...
In science fiction, firing powerful lasers looks easy -- the Death Star can just send destructive power hurtling through space as a tight beam. But in reality, once a powerful laser has been fired, ca...
The scope of the "Fiber Lasers and Glass Photonics: Materials through Applications" conference is broad, aiming to promote synergies and support for a multidisciplinary audience interested in being up...
Trihydrogen, or H3+, has been called the molecule that made the universe, where it plays a greater role in astrochemistry than any other molecule. While H3+ is astronomically abundant, no scientist un...
2017SPIE高强度高功率激光器技术与应用会议(2017 Technology and Applications of Intense,High Average Power Lasers Workshop)。
Submit your paper before the 16 January 2017 deadline, and mark your calendar for 31 July – 4 August 2017 in Singapore.The Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), co-located wit...
Optics has a long and distinct tradition among physical sciences. Ever-present throughout human history, optical systems and phenomena have been subject of interest in all cultures and epochs, from th...
Letting go with lasers     Letting go  lasers       2015/7/13
Small objects tend to cling to everything. It's why parents dread hosting parties that involve confetti. It's why glitter is fun for crafts--until it finds its way onto everything else you touch.When ...
Highly Tm-doped silicate glasses and fibers were developed, which exhibit a high slope efficiency of 68.3% and a gain per unit length of greater than 2dB/cm. Single frequency fiber lasers with laser l...
A new scheme for direct and tunable (30nm shown here) QAM synthesis from binary RF data streams is demonstrated with up to 48Gbit/s QPSK, including propagation over 75km SMF-28. Preliminary 16QAM (60G...
The investigation of the nonlinear dynamics of a semiconductor laser based on nonlinear optical loop mirror (NOLM) feedback using Ge doped optical fiber was carried out experimentally. Animations of c...
We report the performance of a chirped laser in IMDD-based transmissions and we show that the interplay between laser chirp and fiber dispersion can be very attractive for long distance PONs if adapti...
Transmission of multi-band OFDM-UWB signals along FTTH networks using directly modulated lasers is experimentally evaluated. Reach of 100 km of standard SMF is achieved with a BER below 10 -4 and an O...
A phase preserving limiter based on injection locking in semiconductor lasers is experimentally investigated for 10Gb/s phase encoded signals. The proposed scheme exhibits significant amplitude noise ...
Single-mode InAs/InP quantum dot DFB lasers with side-mode suppression ratio greater than 62 dB are demonstrated, operating CW up to 80°C. Relative intensity noise was less than -153 dB/Hz from 1 MHz ...

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