IEEE Photonics Technology Letters

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Clock recovery circuit for optical packets
IEEE Photonics Technology Letters - Tập 14 Số 9 - Trang 1363-1365 - 2002
C. Bintjas, K. Yiannopoulos, N. Pleros, G. Theophilopoulos, M. Kalyvas, H. Avramopoulos, G. Guekos
We demonstrate an all-optical clock recovery circuit for operation with short data packets of 10-Gb/s rate. The circuit uses a Fabry-Perot etalon and a nonlinear UNI gate and is capable of acquiring the clock signal within a few bits.
#Clocks #Circuits #Optical filters #Optical interferometry #Optical packet switching #Nonlinear optics #Synchronization #Optical signal processing #Optical feedback #Ultrafast optics
Highly Efficient Continuous-Wave and Passively Q-Switching 2.8-<inline-formula> <tex-math notation="LaTeX">$\mu$ </tex-math> </inline-formula>m Er:YSGG Laser
IEEE Photonics Technology Letters - Tập 30 Số 15 - Trang 1400-1403 - 2018
Hongkun Nie, Qiangqiang Hu, Baitao Zhang, Xiaoli Sun, Hanlin Tian, Yiran Wang, Yanru Yin, Zhitai Jia, Kejian Yang, Xutang Tao, Jingliang He
Diode End-Pumped 1.37 W Er:YSGG Continuous-Wave Laser Around 2.8-μm
IEEE Photonics Technology Letters - Tập 33 Số 12 - Trang 611-614 - 2021
Lunzhen Hu, Dunlu Sun, Huili Zhang, Jianqiao Luo, Cong Quan, Zhiyuan Han, Kunpeng Dong, Yuwei Chen, Maojie Cheng
Double-pass acoustooptic tunable bandpass filter with zero frequency shift and reduced polarization sensitivity
IEEE Photonics Technology Letters - Tập 14 Số 9 - Trang 1324-1326 - 2002
D.A. Satorius, T.E. Dimmick, G.L. Burdge
The authors report a zero frequency shift double-pass acoustooptic tunable bandpass filter employing a single acoustic flexural wave to couple light from the core mode to a cladding mode (propagating past a core block) and back again to the core mode. A double pass through the fiber filter yields reduced sidelobe levels and reduced polarization sensitivity. The prototype also exhibited improved dy... hiện toàn bộ
#Band pass filters #Filtering theory #Frequency #Acoustic waves #Optical coupling #Acoustic propagation #Optical propagation #Optical fiber polarization #Prototypes #Dynamic range
Blue light generated by frequency doubling of laser diode light in a lithium niobate channel waveguide
IEEE Photonics Technology Letters - Tập 1 Số 10 - Trang 316-318 - 1989
J. Webjörn, Fredrik Laurell, G. Arvidsson
Rapidly switching all-optical packet routing system with optical-label swapping incorporating tunable wavelength conversion and a uniform-loss cyclic frequency AWGR
IEEE Photonics Technology Letters - Tập 14 Số 8 - Trang 1211-1213 - 2002
S.J.B. Yoo, Hyuek Jae Lee, Zhong Pan, Jing Cao, Z. Yanda, K. Okamoto, S. Kamei
This letter discusses an experimental demonstration of a rapidly switching all-optical packet routing system with optical-label switching and all-optical label-swapping capabilities. The optical routing system optically extracts the subcarrier optical-label content, compares it against the forwarding table, makes packet forwarding and label-swapping decisions, and forward the packet to the desired... hiện toàn bộ
#Optical wavelength conversion #Optical packet switching #Wavelength routing #Frequency conversion #Optical frequency conversion #Multiprotocol label switching #Arrayed waveguide gratings #Optical waveguides #Packet switching #Fabrics
All-optical signal up-conversion for radio-on-fiber applications using cross-gain modulation in semiconductor optical amplifiers
IEEE Photonics Technology Letters - - 2002
Y.-K. Seo, C.-S. Choi, W.-Y. Choi
The authors present a novel scheme of up-converting optical intermediate frequency (IF) signals with an optical local oscillator (LO) signal using cross-gain modulation in a semiconductor optical amplifier. This scheme provides high conversion efficiency and is independent of the incident light wavelength and polarization. It can be useful for radio-on-fiber transmission system applications in whi... hiện toàn bộ
#Optical attenuators #Optical mixing #Semiconductor optical amplifiers #Optical modulation #High speed optical techniques #Nonlinear optics #Frequency #Base stations #Stimulated emission #Millimeter wave technology
Compact integrated silica wavelength filters
IEEE Photonics Technology Letters - Tập 14 Số 9 - Trang 1303-1305 - 2002
C.N. Morgan, Siyuan Yu, R.V. Penty, I.H. White
The realization of compact low-loss wavelength filters using two-dimensional integrated optics (2DIO) in a silica-on-silica material system is reported. Two designs suitable for data-communications applications are reported: a 4 /spl times/ 4 channel 6.4-nm channel wavelength spacing device and an 8 /spl times/ 8 channel 3.2-nm channel wavelength spacing device. The devices are fabricated in one d... hiện toàn bộ
#Silicon compounds #Wavelength division multiplexing #Optical filters #Arrayed waveguide gratings #Etching #Crosstalk #Costs #Polymers #Integrated optics #Optical materials
GaAs microcavity channel-dropping filter based on a race-track resonator
IEEE Photonics Technology Letters - Tập 11 Số 12 - Trang 1620-1622 - 1999
Mee‐Koy Chin, C. Youtsey, Weifeng Zhao, T. Pierson, Z. Ren, Shiguang Wu, L. Wang, Yang Zhao, Seng‐Tiong Ho
On the interdiffusion-based quantum cascade laser
IEEE Photonics Technology Letters - Tập 14 Số 8 - Trang 1067-1069 - 2002
S. Kocinac, S. Tomic, Z. Ikonic, V. Milanovic
Design procedure for the active region of current pumped quantum cascade laser is proposed, so to achieve maximal gain. Starting with an arbitrary smooth potential, a family of isospectral Hamiltonians with predefined energy spectrum is generated using the inverse spectral theory. By varying the relevant control parameter the potential shape is varied, inducing changes in transition dipole moments... hiện toàn bộ
#Quantum cascade lasers #Optical scattering #Optical refraction #Laser excitation #Particle scattering #Optical pumping #Optical variables control #Shape control #Pump lasers #Stimulated emission
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