摘要:
A II-VI group compound semiconductor light-emitting device can emit light of a short wavelength at room temperature. Operation characteristics, such as current--voltage characteristics and current--light output characteristics can be stabilized and a life of this semiconductor light-emitting device can be extended. The semiconductor light-emitting device comprises a substrate (1), at least a first cladding layer (2) of a first conductivity type, an active layer (3) and a second cladding layer (4) of a second conductivity type, wherein at least the active layer (3) is made of a II-VI group compound semiconductor and the active layer (3) is doped by either or both of n-type and p-type dopants.
摘要:
A II-VI group compound semiconductor light-emitting device can emit light of a short wavelength at room temperature. Operation characteristics, such as current--voltage characteristics and current--light output characteristics can be stabilized and a life of this semiconductor light-emitting device can be extended. The semiconductor light-emitting device comprises a substrate (1), at least a first cladding layer (2) of a first conductivity type, an active layer (3) and a second cladding layer (4) of a second conductivity type, wherein at least the active layer (3) is made of a II-VI group compound semiconductor and the active layer (3) is doped by either or both of n-type and p-type dopants.
摘要:
The semiconductor light emitting device includes a semiconductor substrate (1), a first conductivity type first cladding layer (2) deposited on the semiconductor substrate (1), an active layer (4) deposited on the first cladding layer (2), and the second conductivity type second cladding layer (6) deposited on the active layer (4). The first and the second cladding layers (2, 6) are made of the II/VI-compound semiconductors including at least one kind of II group elements such as Zn, Hg, Cd, Mg and at least one kind of VI group elements such as S, Se, Te. The lattice mismatching .DELTA.a/a (%) between at least one of the first cladding layer (2) and the second cladding layer (6) and the substrate is set within the range of -0.9%.ltoreq..DELTA.a/a.ltoreq.0.5% (reference symbols a and a.sub.c represent the lattice constant of the semiconductor substrate and the lattice constant of at least either of the first and second cladding layers, and .DELTA.a is obtained from .DELTA.a=a.sub.c -a).
摘要翻译:半导体发光器件包括半导体衬底(1),沉积在半导体衬底(1)上的第一导电型第一包覆层(2),沉积在第一覆层(2)上的有源层(4) 沉积在有源层(4)上的第二导电类型的第二包覆层(6)。 第一和第二覆层(2,6)由包括Zn,Hg,Cd,Mg中的至少一种II族元素的II / VI化合物半导体和至少一种VI族元素构成 作为S,Se,Te。 第一包层(2)和第二包覆层(6)中的至少一个与基板之间的晶格失配DELTA a / a(%)设定在-0.9%的范围内ΔTATA/ /=0.5%(参考符号a和ac表示半导体衬底的晶格常数和第一和第二包层中的至少任一个的晶格常数,并且DELTA a从DELTA a = ac-a获得)。
摘要:
The semiconductor light emitting device includes a semiconductor substrate (1), a first conductivity type first cladding layer (2) deposited on the semiconductor substrate (1), an active layer (4) deposited on the first cladding layer (2), and the second conductivity type second cladding layer (6) deposited on the active layer (4). The first and the second cladding layers (2, 6) are made of the II/VI-compound semiconductors including at least one kind of group II elements such as Zn, Hg, Cd, Mg and at least one kind of group VI elements such as S, Se, Te. The lattice mismatching .DELTA.a/a (%) between at least one of the first cladding layer (2) and the second cladding layer (6) and the substrate is set within the range of -0.9%.ltoreq..DELTA.Aa/a.ltoreq.0.5% (reference symbols a and a.sub.c represent the lattice constant of the semiconductor substrate and the lattice constant of at least either of the first and second cladding layers, and .DELTA.a is obtained from .DELTA.a=a.sub.c -a).
摘要翻译:半导体发光器件包括半导体衬底(1),沉积在半导体衬底(1)上的第一导电型第一包覆层(2),沉积在第一覆层(2)上的有源层(4) 沉积在有源层(4)上的第二导电类型的第二包覆层(6)。 第一和第二覆层(2,6)由包括Zn,Hg,Cd,Mg中的至少一种II族元素和至少一种VI族元素的II / VI族化合物半导体制成, 作为S,Se,Te。 在第一包层(2)和第二包覆层(6)中的至少一个与基板之间的晶格失配DELTA a / a(%)设定在-0.9%的范围内ΔTAAa/ /=0.5%(参考符号a和ac表示半导体衬底的晶格常数和第一和第二包层中的至少任一个的晶格常数,并且DELTA a从DELTA a = ac-a获得)。
摘要:
A semiconductor laser comprises: a first cladding layer of a first conduction type; an active layer stacked on the first cladding layer; and a second cladding layer of a second conduction type stacked on the active layer. The first cladding layer, the active layer and the second cladding layer are made of II-VI compound semiconductors. Pulse oscillation occurs with characteristics of a threshold current Ith(A), a threshold voltage Vth(V) of the diode composed of the first cladding layer, the active layer and the second cladding layer, a differential resistance RS(Q) of the diode after the rising, a thermal resistance Rt(K/W) and a characteristic temperature T0(K). When two amounts &agr; and &bgr; are defined by: &agr;≡(Rt/T0)Ithvth &bgr;≡(Rt/T0)RSTth2 the point (&agr;,&bgr;) exists in an area on the &agr;-&bgr; plane surrounded by the straight line &agr;=0, the straight line &bgr;=0, and the curve ((2ln t−1)/t, (1−ln t)/t2) having t as a parameter. The semiconductor laser may include a first optical waveguide layer between the first cladding layer and the active layer and include a second optical waveguide layer between the second cladding layer and the active layer, the first optical waveguide layer and the second optical waveguide layer being made of II-VI compound semiconductors. II-VI compound semiconductors making the first cladding layer and the second cladding layer may be a ZnMgSSe compound semiconductor. A semiconductor laser using II-VI compound semiconductors and having the capability of continuous oscillation at high temperatures including the room temperature is provided.
摘要:
A semiconductor laser comprises: a first cladding layer of a first conduction type; an active layer stacked on the first cladding layer; and a second cladding layer of a second conduction type stacked on the active layer. The first cladding layer, the active layer and the second cladding layer are made of II-VI compound semiconductors. Pulse oscillation occurs with characteristics of a threshold current Ith(A), a threshold voltage Vth(V) of the diode composed of the first cladding layer, the active layer and the second cladding layer, a differential resistance RS(&OHgr;) of the diode after the rising, a thermal resistance Rt(K/W) and a characteristic temperature To(K). When two amounts &agr; and &bgr; are defined by: &agr;≡(Rt/To)IthVth &bgr;≡(Rt/To)RSIth2 the point (&agr;,&bgr;) exists in an area on the &agr;-&bgr; plane surrounded by the straight line &agr;=0, the straight line &bgr;=0, and the curve ((21n t−1)/t, (1−ln t)/t2) having t as a parameter. The semiconductor laser may include a first optical waveguide layer between the first cladding layer and the active layer and include a second optical waveguide layer between the second cladding layer and the active layer, the first optical waveguide layer and the second optical waveguide layer being made of II-VI compound semiconductors. II-VI compound semiconductors making the first cladding layer and the second cladding layer may be a ZnMgSSe compound semiconductor. A semiconductor laser using II-VI compound semiconductors and having the capability of continuous oscillation at high temperatures including the room temperature is provided.
摘要:
A semiconductor laser comprises: a first cladding layer of a first conduction type; an active layer stacked on the first cladding layer; and a second cladding layer of a second conduction type stacked on the active layer. The first cladding layer, the active layer and the second cladding layer are made of II-VI compound semiconductors. Pulse oscillation occurs with characteristics of a threshold current I.sub.th (A), a threshold voltage V.sub.th (V) of the diode composed of the first cladding layer, the active layer and the second cladding layer, a differential resistance R.sub.S (Q) of the diode after the rising, a thermal resistance R.sub.t (K/W) and a characteristic temperature T.sub.0 (K). When two amounts .alpha. and .beta. are defined by:.alpha..ident.(R.sub.t /T.sub.0)I.sub.th v.sub.th.beta..ident.(R.sub.t /T.sub.0)R.sub.S I.sub.th.sup.2the point (.alpha., .beta.) exists in an area on the .alpha.-.beta. plane surrounded by the straight line .alpha.=0, the straight line .beta.=0, and the curve ((2ln t-1)/t, (1-ln t)/t.sup.2) having t as a parameter. The semiconductor laser may include a first optical waveguide layer between the first cladding layer and the active layer and include a second optical waveguide layer between the second cladding layer and the active layer, the first optical waveguide layer and the second optical waveguide layer being made of II-VI compound semiconductors. II-VI compound semiconductors making the first cladding layer and the second cladding layer may be a ZnMgSSe compound semiconductor. A semiconductor laser using II-VI compound semiconductors and having the capability of continuous oscillation at high temperatures including the room temperature is provided.
摘要:
A semiconductor laser comprises: a first cladding layer of a first conduction type; an active layer stacked on the first cladding layer; and a second cladding layer of a second conduction type stacked on the active layer. The first cladding layer, the active layer and the second cladding layer are made of II-VI compound semiconductors. Pulse oscillation occurs with characteristics of a threshold current I.sub.th (A), a threshold voltage V.sub.th (V) of the diode composed of the first cladding layer, the active layer and the second cladding layer, a differential resistance R.sub.S (.OMEGA.) of the diode after the rising, a thermal resistance R.sub.t (K/W) and a characteristic temperature T.sub.0 (K). When two amounts .alpha. and .beta. are defined by: .alpha..ident.(R.sub.t /T.sub.0)I.sub.th V.sub.th .beta..ident.(R.sub.t /T.sub.0)R.sub.S I.sub.th.sup.2 the point (.alpha., .beta.) exists in an area on the .alpha.-.beta. plane surrounded by the straight line .alpha.=0, the straight line .beta.=0, and the curve ((21n t-1)/t, (1-ln t)/t.sup.2) having t as a parameter. The semiconductor laser may include a first optical waveguide layer between the first cladding layer and the active layer and include a second optical waveguide layer between the second cladding layer and the active layer, the first optical waveguide layer and the second optical waveguide layer being made of II-VI compound semiconductors. II-VI compound semiconductors making the first cladding layer and the second cladding layer may be a ZnMgSSe compound semiconductor. A semiconductor laser using II-VI compound semiconductors and having the capability of continuous oscillation at high temperatures including the room temperature is provided.
摘要:
There is provided an information processing device including an acquisition unit that acquires power supply request information that includes information on a supply period during which an electric power system is requesting supply of electric power, and reservation information for a vehicle, a calculation unit that, on the basis of the reservation information, calculates supply power to be supplied to the electric power system from the vehicle during the supply period, and a notification unit that notifies the electric power system of the calculated supply power.
摘要:
There is provided an analysis server including a first verifying unit that analyzes data acquired from a local power management system composed of an electronic appliance provided with a sensor and a power management apparatus managing power supply to the electronic appliance connected to a power network, by using history information of the local power management system or data acquired from another local power management system with a power usage state similar to that of the local power management system, a second verifying unit that analyzes the data acquired from the local power management system, by using an estimated value calculated by simulation using characteristics information and/or specification information of the electronic appliance, and a control unit that controls the first verifying unit and the second verifying unit.