980-mn diode-pumped Er-doped fiber optical amplifiers with high gain-bandwidth product

1991 ◽  
Author(s):  
G. Grasso ◽  
F. Fontana ◽  
A. Righetti ◽  
P. Scrivener ◽  
P. Turner ◽  
...  
Keyword(s):  
Optical Amplifiers ◽  
High Gain ◽  
Gain Bandwidth ◽  
Fiber Optical ◽  
Diode Pumped ◽  
Er Doped

Exciting Erbium-Doped Planar Optical Amplifier Materials

1999 ◽  
Vol 597 ◽  
Author(s):  
A. Polman
Keyword(s):  
Pump Power ◽  
Integrated Circuits ◽  
Recent Work ◽  
Optical Amplifiers ◽  
Photonic Integrated Circuits ◽  
Oxide Films ◽  
Optical Amplifier ◽  
High Gain ◽  
Erbium Doped ◽  
Er Doped

AbstractErbium-doped planar optical amplifiers can find numerous applications in photonic integrated circuits operating at 1.5 μm. The challenge is to fabricate these devices with high gain, operating at low pump power, and having small overall size. In this paper a review is given of our recent work in the area of Er-doped waveguide materials and amplifiers based on three materials classes: oxide films (A12O3, Y2O3, SiO2), polymers, and silicon.

scholarly journals Low dark current and high gain-bandwidth product of avalanche photodiodes: optimization and realization

2020 ◽  
Vol 28 (11) ◽  
pp. 16211
Author(s):  
Hui Wang ◽  
Xiaohong Yang ◽  
Rui Wang ◽  
Tingting He ◽  
Kaibao Liu
Keyword(s):  
Dark Current ◽  
Avalanche Photodiodes ◽  
High Gain ◽  
Gain Bandwidth

scholarly journals Millimeter Wave Fabry-Perot Resonator Antenna Fed by CPW with High Gain and Broadband

2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Xue-Xia Yang ◽  
Guan-Nan Tan ◽  
Bing Han ◽  
Hai-Gao Xue
Keyword(s):  
Millimeter Wave ◽  
Coplanar Waveguide ◽  
Dielectric Substrate ◽  
High Gain ◽  
Center Frequency ◽  
Impedance Bandwidth ◽  
Gain Bandwidth ◽  
Broad Bandwidth ◽  
Low Profile ◽  
Fabry Perot

A novel millimeter wave coplanar waveguide (CPW) fed Fabry-Perot (F-P) antenna with high gain, broad bandwidth, and low profile is reported. The partially reflective surface (PRS) and the ground form the F-P resonator cavity, which is filled with the same dielectric substrate. A dual rhombic slot loop on the ground acts as the primary feeding antenna, which is fed by the CPW and has broad bandwidth. In order to improve the antenna gain, metal vias are inserted surrounding the F-P cavity. A CPW-to-microstrip transition is designed to measure the performances of the antenna and extend the applications. The measured impedance bandwidth ofS11less than −10 dB is from 34 to 37.7 GHz (10.5%), and the gain is 15.4 dBi at the center frequency of 35 GHz with a 3 dB gain bandwidth of 7.1%. This performance of the antenna shows a tradeoff among gain, bandwidth, and profile.

Sign in / Sign up

Export Citation Format

Share Document