Project supported by the National Natural Science Foundation of China (Grant Nos. 60736036,60706009,60777021 and 60702006);the National Basic Research Program of China (Grant Nos. 2006CB604901 and 2006CB604902);the National High Technology Research and Development Program of China (Grant Nos. 2007AA03Z419,2007AA03Z417 and 2009AA03Z442)
Electroabsorption modulators combining Franz-Keldysh effect and quantum confined Stark effect have been mono-lithically integrated with tunnel-injection quantum-well distributed feedback lasers using a quantum well in...
Project supported by the National High Technology Research and Development Program of China(Nos.2006AA01Z256,2007AA03Z4 19,2007AA03Z417);the State Key Development Program for Basic Research of China(Nos.2006CB604901,2006CB604902);the National Natural Science Foundation of China(Nos.90401025,60736036,60706009,60777021).
High output powers and wide range tuning have been achieved in a sampled grating distributed Bragg reflector laser with an integrated semiconductor optical amplifier.Tilted amplifier and anti-reflection facet coating ...
supported by the National High Technology Research and Development of China (Grant Nos. 2006AA01Z256,2007AA03Z419 and 2007AA03Z417);the State Key Development Program for Basic Research of China (Grant Nos. 2006CB604901and 2006CB604902);the National Natural Science Foundation of China (Grant Nos. 90401025,60736036,60706009 and 60777021)
We report on chip-scale optical gates based on the integration of evanescent waveguide unitraveling-carrier photo- diodes (EC-UTC-PDs) and intra-step quantum well electroabsorption modulators (IQW-EAMs) on n-InP s...
Project supported by the National High Technology Research and Development Program of China(Nos.2006AA01Z256, 2007AA03Z419,2007AA03Z417);the State Key Development Program for Basic Research of China(Nos.2006CB604901, 2006CB604902);the National Natural Science Foundation of China(Nos.90401025,60736036,60706009,60777021).
A frequency and wavelength tunable self-pulsation laser based on DBR laser devices is reported for the first time.This laser generates continuous tunable optical microwave in the range of 1.87-21.81 GHz with 3-dB line...
Project supported by the National High-Tech Research and Development Programm of China (Grant Nos 2006AA01Z256,2007AA03Z419 and 2007AA03Z417);the National Key Basic Research Programm of China (Grant Nos 2006CB604901 and 2006CB604902);the National Natural Science Foundation of China (Grant Nos 90401025,60736036,60706009 and 60777021)
This paper reports that the complex-coupled distributed feedback laser with the sampled grating has been designed and fabricated.The +1st order reflection of the sampled grating is utilized for laser single mode oper...
Project supported by the National High Technology Research and Development of China (Grant Nos 2006AA01Z256,2007AA03Z419 and 2007AA03Z417);the State Key Development Program for Basic Research of China (Grant Nos 2006CB604901 and 2006CB604902);the National Natural Science Foundation of China (Grant Nos 90401025,60736036,60706009 and60777021)
A new evanescently-coupled uni-traveling-carrier photodiode (EC-UTC PD) based on a multimode diluted waveguide (MDW) structure is fabricated, analysed and characterized. Optical and electrical characteristics of t...
supported by the National High Technology Research and Development Program of China (Nos. 2006AA01Z256, 2007AA03Z419,2007AA03Z417);the State Key Development Program for Basic Research of China (Nos. 2006CB604901,2006CB604902);the Nati-onal Natural Science Foundation of China (Nos. 90401025,60736036,60706009, 60777021)
The effects of the multimode diluted waveguide on quantum efficiency and saturation behavior of the evanescently coupled uni-traveling carrier (UTC) photodiode structures are reported. Two kinds of evanescently coup...
supported by the National High Technology Research and Development Program of China (Nos. 2007AA03Z417, 2006AA01Z256,2007AA03Z419);the State Key Development Program for Basic Research of China (Nos. 2006CB604901, 2006CB604902);the National Natural Science Foundation of China (Nos. 90401025, 60736036, 60706009, 60777021).
A complex-coupled DFB laser with sampled grating has been designed and fabricated. The method uses the + 1 st order reflection of the sampled grating for laser single-mode operation. The typical threshold current of ...
Project supported by the National Natural Science Foundation of China (Grant Nos 60706009, 90401025, 60736036, 60777021 and60476009);the National Key Basic Research Program of China (Grant Nos 2006CB604901 and 2006CB604902);the National High Technology Research and Development Program of China (Grant Nos 2006AA01Z256, 2007AA03Z419 and 2007AA03Z417)
Photoluminescence (PL) and lasing properties of InAs/GaAs quantum dots (QDs) with different growth procedures prepared by metalorganic chemical vapour deposition are studied. PL measurements show that the low grow...