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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作，涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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Author: search.filters.author.Kuo, HCSubject: search.filters.subject.InGaAs

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Now showing 1 - 4 of 4
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    Low-leakage In(0.53)Ga(0.47)As p-i-n photodetector fabricated on GaAs substrate with linearly graded metamorphic In(x)Ga(1-x)P buffer
    (2005)
    Lin, CK
    ;
    Kuo, HC
    ;
    Liao, YS
    ;
    Lin, GR
    ;
    光電工程學系
    A novel top-illuminated metamorphic In(0.53)Ga(0.47)As p-i-n photodiodes (MM-PlNPD) grown on GaAs substrate by using a linearly graded In(x)Ga(1-x)P (x graded from 0.51 to 1) buffer layer is reported. The dark current, optical responsivities, noise equivalent power (NEP), and operational bandwidth of the MM-PINPD with aperture diameter of 60 mu m are 13 pA, 0.77/0.59 (1310/1550 nm) A/W, 6.9x10(-11) W/Hz(1/2), and 7.5 GHz, respectively. The performances of the MM-PINPD on GaAs are demonstrated to be better than those of a similar device made on InGaAs/InP substrate.
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    Low-threshold-current-density, long-wavelength, highly strained InGaAs laser grown by metalorganic chemical vapor deposition
    (2005-10-01)
    Chen, IL
    ;
    Hsu, WC
    ;
    Kuo, HC
    ;
    Yu, HC
    ;
    Sung, CP
    A long-emission-wavelength laser with multiple InGaAs/GaAs quantum wells without a strain-compensated barrier was grown by metalorganic chemical vapor deposition (MOCVD). InGaAs quantum well (QW) broad-area laser diodes with an emission wavelength of up to 1214 nm were realized. A measured room-temperature threshold current density of only 173 A/cm(2) for a 2-mm-cavity device and a transparency current density of 66 A/cm(2) were obtained. The internal quantum efficiency and laser cavity loss were 67% and 6 cm(-1), respectively.
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    Growth of highly strained RnGaAs quantum wells by metalorganic chemical vapor deposition with application to vertical-cavity surface-emitting laser
    (2006-01-01)
    Chen, IL
    ;
    Hsu, WC
    ;
    Lee, TD
    ;
    Kuo, HC
    ;
    Su, KH
    A series of highly strained InGaAs quantum wells (QWs) with GaAs barriers emitting at wavelength longer than 1.2 mu m are grown on GaAs substrates by metalorganic chemical vapor deposition (MOCVD). The optimized windows of the V/III ratio of the InGaAs layer and the growth rate of the barrier are first investigated on thease highly strained QWs. By an appropriate choice of the growth conditions, we extend the room-temperature photoluminescence (PL) wavelength of InGaAs QWs to 1245 nm, which corresponds to an indium content of 42%. A GaAs-based InGaAs vertical-cavity surface-emitting laser (VCSEL) at an emission wavelength of 1.28 mu m with a large detuning of 90 nm has been realized by the use of highly strained InGaAs QWs.
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    Effect of annealing on low-threshold-current large-wavelength InGaAs quantum well vertical-cavity laser
    (2006-02-01)
    Chen, IL
    ;
    Hsu, WC
    ;
    Kuo, HC
    ;
    Sung, CP
    ;
    Chiou, CH
    An emission wavelength record emission wavelength of 1245 nm in double InGaAs/GaAs quantum wells without a strain-compensated barrier is obtained by metalorganic chemical vapor deposition (MOCVD). The effect of annealing on highly strained InGaAs quantum wells is analyzed using phtoluminanescence spectra. By comparing devices p-type distributed Bragg reflector (p-DBR) growth temperatures, the preliminary results indicate that a device with a low p-DBR growth temperature of 670 degrees C exhibits a low threshold current and a high light output power. A threshold current of 6.7 mA in an InGaAs vertical-cavity surface emitting laser (VCSEL) in CW operation is realized with an emission spectrum up to 1.26 mu m.