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QD laser on InP substrate for 1.55 μm emission and beyond

Identifieur interne : 003A36 ( Main/Repository ); précédent : 003A35; suivant : 003A37

QD laser on InP substrate for 1.55 μm emission and beyond

Auteurs : RBID : Pascal:10-0427073

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English descriptors

Abstract

InAs nanostructures formed on InP substrates allow the realization of devices working in telecommunication wavelength range between 1.4 and 1.65 μm. However due to the low lattice mismatch existing between InAs and InP, the self assembling process in InP is more complex than on GaAs substrates. First high density quantum wires obtained on InP(001) have been integrated in laser. Lasers emitting at room temperature have been achieved. For an infinite length cavity, a threshold current density per QD plane as low as 45 A/cm2 is deduced. This result compares favourably with those obtained on quantum wells lasers. However, the stability of the threshold current with temperature, predicted for quantum dots laser is not observed. Thus, growth on non standard substrates such as miscut substrates or high index substrates have been investigated in order to achieve QDs on InP. On (113) B substrates, quantum dots in high density and with size comparable with those achieved on GaAs(001) have been obtained. Lasers with record threshold current have been obtained. However the modulation properties of the laser are not as good as predicted for ideal quantum dots lasers. Finally we present the attempts to extend the QD emission wavelength in the 2-3 μm region.

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<term>III-V semiconductors</term>
<term>Indium Arsenides</term>
<term>Indium Phosphides</term>
<term>Nanostructures</term>
<term>Quantum detector</term>
<term>Quantum dot lasers</term>
<term>Quantum dots</term>
<term>Quantum well lasers</term>
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<term>Semiconductor lasers</term>
<term>Threshold current</term>
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<term>Laser semiconducteur</term>
<term>Fil quantique</term>
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<div type="abstract" xml:lang="en">InAs nanostructures formed on InP substrates allow the realization of devices working in telecommunication wavelength range between 1.4 and 1.65 μm. However due to the low lattice mismatch existing between InAs and InP, the self assembling process in InP is more complex than on GaAs substrates. First high density quantum wires obtained on InP(001) have been integrated in laser. Lasers emitting at room temperature have been achieved. For an infinite length cavity, a threshold current density per QD plane as low as 45 A/cm
<sup>2</sup>
is deduced. This result compares favourably with those obtained on quantum wells lasers. However, the stability of the threshold current with temperature, predicted for quantum dots laser is not observed. Thus, growth on non standard substrates such as miscut substrates or high index substrates have been investigated in order to achieve QDs on InP. On (113) B substrates, quantum dots in high density and with size comparable with those achieved on GaAs(001) have been obtained. Lasers with record threshold current have been obtained. However the modulation properties of the laser are not as good as predicted for ideal quantum dots lasers. Finally we present the attempts to extend the QD emission wavelength in the 2-3 μm region.</div>
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<fA44>
<s0>0000</s0>
<s1>© 2010 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45>
<s0>42 ref.</s0>
</fA45>
<fA47 i1="01" i2="1">
<s0>10-0427073</s0>
</fA47>
<fA60>
<s1>P</s1>
<s2>C</s2>
</fA60>
<fA61>
<s0>A</s0>
</fA61>
<fA64 i1="01" i2="1">
<s0>Proceedings of SPIE, the International Society for Optical Engineering</s0>
</fA64>
<fA66 i1="01">
<s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG">
<s0>InAs nanostructures formed on InP substrates allow the realization of devices working in telecommunication wavelength range between 1.4 and 1.65 μm. However due to the low lattice mismatch existing between InAs and InP, the self assembling process in InP is more complex than on GaAs substrates. First high density quantum wires obtained on InP(001) have been integrated in laser. Lasers emitting at room temperature have been achieved. For an infinite length cavity, a threshold current density per QD plane as low as 45 A/cm
<sup>2</sup>
is deduced. This result compares favourably with those obtained on quantum wells lasers. However, the stability of the threshold current with temperature, predicted for quantum dots laser is not observed. Thus, growth on non standard substrates such as miscut substrates or high index substrates have been investigated in order to achieve QDs on InP. On (113) B substrates, quantum dots in high density and with size comparable with those achieved on GaAs(001) have been obtained. Lasers with record threshold current have been obtained. However the modulation properties of the laser are not as good as predicted for ideal quantum dots lasers. Finally we present the attempts to extend the QD emission wavelength in the 2-3 μm region.</s0>
</fC01>
<fC02 i1="01" i2="3">
<s0>001B00A30C</s0>
</fC02>
<fC02 i1="02" i2="3">
<s0>001B00G07D</s0>
</fC02>
<fC02 i1="03" i2="3">
<s0>001B40B55P</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE">
<s0>Courant seuil</s0>
<s5>03</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG">
<s0>Threshold current</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE">
<s0>Laser semiconducteur</s0>
<s5>09</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG">
<s0>Semiconductor lasers</s0>
<s5>09</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE">
<s0>Fil quantique</s0>
<s5>11</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG">
<s0>Quantum wires</s0>
<s5>11</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE">
<s0>Laser puits quantique</s0>
<s5>12</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG">
<s0>Quantum well lasers</s0>
<s5>12</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE">
<s0>Laser point quantique</s0>
<s5>13</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG">
<s0>Quantum dot lasers</s0>
<s5>13</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE">
<s0>Température ambiante</s0>
<s5>41</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG">
<s0>Ambient temperature</s0>
<s5>41</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE">
<s0>Densité courant</s0>
<s5>42</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG">
<s0>Current density</s0>
<s5>42</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE">
<s0>Nanostructure</s0>
<s5>47</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG">
<s0>Nanostructures</s0>
<s5>47</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE">
<s0>Puits quantique</s0>
<s5>48</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG">
<s0>Quantum wells</s0>
<s5>48</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE">
<s0>Point quantique</s0>
<s5>49</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG">
<s0>Quantum dots</s0>
<s5>49</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE">
<s0>Composé binaire</s0>
<s5>50</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG">
<s0>Binary compounds</s0>
<s5>50</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE">
<s0>Indium Arséniure</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>51</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG">
<s0>Indium Arsenides</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>51</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE">
<s0>Semiconducteur III-V</s0>
<s5>52</s5>
</fC03>
<fC03 i1="13" i2="3" l="ENG">
<s0>III-V semiconductors</s0>
<s5>52</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE">
<s0>Indium Phosphure</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>53</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG">
<s0>Indium Phosphides</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>53</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE">
<s0>Détecteur quantique</s0>
<s5>61</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG">
<s0>Quantum detector</s0>
<s5>61</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA">
<s0>Detector cuántico</s0>
<s5>61</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE">
<s0>Substrat InP</s0>
<s4>INC</s4>
<s5>71</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE">
<s0>InAs</s0>
<s4>INC</s4>
<s5>72</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE">
<s0>Substrat GaAs</s0>
<s4>INC</s4>
<s5>73</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE">
<s0>GaAs</s0>
<s4>INC</s4>
<s5>74</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE">
<s0>As In</s0>
<s4>INC</s4>
<s5>75</s5>
</fC03>
<fC03 i1="21" i2="3" l="FRE">
<s0>In P</s0>
<s4>INC</s4>
<s5>76</s5>
</fC03>
<fC03 i1="22" i2="3" l="FRE">
<s0>As Ga</s0>
<s4>INC</s4>
<s5>77</s5>
</fC03>
<fC03 i1="23" i2="3" l="FRE">
<s0>InP</s0>
<s4>INC</s4>
<s5>83</s5>
</fC03>
<fC03 i1="24" i2="3" l="FRE">
<s0>0130C</s0>
<s4>INC</s4>
<s5>84</s5>
</fC03>
<fC03 i1="25" i2="3" l="FRE">
<s0>0707D</s0>
<s4>INC</s4>
<s5>85</s5>
</fC03>
<fC03 i1="26" i2="3" l="FRE">
<s0>4255P</s0>
<s4>INC</s4>
<s5>91</s5>
</fC03>
<fN21>
<s1>277</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
</fN44>
<fN82>
<s1>OTO</s1>
</fN82>
</pA>
<pR>
<fA30 i1="01" i2="1" l="ENG">
<s1>Quantum sensing and nanophotonic devices</s1>
<s2>07</s2>
<s3>San Francisco CA USA</s3>
<s4>2010</s4>
</fA30>
</pR>
</standard>
</inist>
</record>

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