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公开(公告)号：US07236295B2
公开(公告)日：2007-06-26
申请号：US10874429
申请日：2004-06-23
申请人： In-Kuk Yun , Jeong-Seok Lee , Seung-Woo Kim , Seong-Taek Hwang
发明人： In-Kuk Yun , Jeong-Seok Lee , Seung-Woo Kim , Seong-Taek Hwang
IPC分类号： H01S5/50
CPC分类号： H01S5/14 , H01S5/005 , H01S5/0064 , H01S5/02216 , H01S5/02248 , H01S5/02284 , H01S5/02415 , H01S5/028 , H01S2301/02
摘要： A broadband light source is disclosed. The broadband light source includes a semiconductor optical amplifier for generating and amplifying light of a broadband wavelength, the amplifier having a first end and a second end and a mirror spaced from the second end of the semiconductor optical amplifier to reflect the light, which is provided by the semiconductor optical amplifier, back to the semiconductor optical amplifier, wherein the semiconductor optical amplifier amplifies the light reflected from the mirror and outputs the amplified light to the first end of the semiconductor optical amplifier. The light source further including at least one lens system to converge light passing through the amplifier ends.
摘要翻译： 公开了宽带光源。 宽带光源包括用于产生和放大宽带波长的光的半导体光放大器，放大器具有第一端和第二端以及与半导体光放大器的第二端间隔开的反射光的反射器 通过半导体光放大器返回到半导体光放大器，其中半导体光放大器放大从反射镜反射的光，并将放大的光输出到半导体光放大器的第一端。 该光源还包括至少一个透镜系统以会聚通过放大器端的光。
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2.发明申请公开(公告)号：US20050105575A1
公开(公告)日：2005-05-19
申请号：US10852519
申请日：2004-05-24
申请人： Seung-Woo Kim , Jeong-Seok Lee , In-Kuk Yun , Seong-Taek Hwang
发明人： Seung-Woo Kim , Jeong-Seok Lee , In-Kuk Yun , Seong-Taek Hwang
CPC分类号： H01S5/02216 , H01S5/005 , H01S5/0064 , H01S5/02248 , H01S5/02284 , H01S5/1092 , H01S5/141
摘要： A multi-channel light source includes a semiconductor optical amplifier for generating light of a wide wavelength band and outputting the generated light through a first end and a second end. The source further includes a Fabry-Perot (FP) resonator for resonating the light inputted from the semiconductor optical amplifier to generate an FP fringe and outputting the FP fringe to the semiconductor optical amplifier. The semiconductor optical amplifier amplifies the FP fringe inputted from the FP resonator and outputs the amplified FP fringe through the first end.
摘要翻译： 多通道光源包括用于产生宽波段的光的半导体光放大器，并通过第一端和第二端输出产生的光。 该源还包括用于使从半导体光放大器输入的光谐振以产生FP条纹并将FP条纹输出到半导体光放大器的法布里 - 珀罗（FP）谐振器。 半导体光放大器放大从FP谐振器输入的FP条纹，并通过第一端输出放大的FP条纹。
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公开(公告)号：US20050185264A1
公开(公告)日：2005-08-25
申请号：US10937625
申请日：2004-09-09
申请人： Hyun-Cheol Shin , Jeong-Seok Lee , Ho-In Kim , In-Kuk Yun , Seung-Woo Kim , Seong-Taek Hwang
发明人： Hyun-Cheol Shin , Jeong-Seok Lee , Ho-In Kim , In-Kuk Yun , Seung-Woo Kim , Seong-Taek Hwang
CPC分类号： H01S5/50 , H01S5/028 , H01S5/101 , H01S5/1064 , H01S5/1085 , H01S5/16 , H01S5/227 , H01S2301/176
摘要： A reflective semiconductor optical amplifier includes a substrate, a waveguide with a buried heterostructure formed by sequentially laminating a lower cladding, an active layer, and an upper cladding on the substrate, the waveguide including, sequentially, respective straight line, curved and tapered waveguide regions. A current blocking layer surrounds the waveguide to prevent electric current from flowing outside the active layer. Selectively etching portions of the current blocking layer and the substrate around the waveguide forms a trench to reduce parasitic capacitance. Further features include a window region on one end of the tapered waveguide region, an anti-reflection surface on one end of the window region, and a high-reflection surface on one end of the straight line waveguide region.
摘要翻译： 反射半导体光放大器包括基板，具有通过在基板上依次层叠下包层，有源层和上包层而形成的掩埋异质结构的波导，波导依次包括相应的直线，弯曲和锥形波导区域 。 电流阻挡层围绕波导以防止电流流过有源层外部。 选择性地蚀刻电流阻挡层和波导周围的衬底的部分形成沟槽以减小寄生电容。 另外的特征包括在锥形波导区域的一端上的窗口区域，窗口区域的一端上的防反射面以及直线波导区域的一端的高反射面。
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公开(公告)号：US20050185262A1
公开(公告)日：2005-08-25
申请号：US10874429
申请日：2004-06-23
申请人： In-Kuk Yun , Jeong-Seok Lee , Seung-Woo Kim , Seong-Taek Hwang
发明人： In-Kuk Yun , Jeong-Seok Lee , Seung-Woo Kim , Seong-Taek Hwang
CPC分类号： H01S5/14 , H01S5/005 , H01S5/0064 , H01S5/02216 , H01S5/02248 , H01S5/02284 , H01S5/02415 , H01S5/028 , H01S2301/02
摘要： A broadband light source is disclosed. The broadband light source includes a semiconductor optical amplifier for generating and amplifying light of a broadband wavelength, the amplifier having a first end and a second end and a mirror spaced from the second end of the semiconductor optical amplifier to reflect the light, which is provided by the semiconductor optical amplifier, back to the semiconductor optical amplifier, wherein the semiconductor optical amplifier amplifies the light reflected from the mirror and outputs the amplified light to the first end of the semiconductor optical amplifier. The light source further including at least one lens system to converge light passing through the amplifier ends.
摘要翻译： 公开了宽带光源。 宽带光源包括用于产生和放大宽带波长的光的半导体光放大器，该放大器具有第一端和第二端以及与该半导体光放大器的第二端间隔开以反射所述光的反射镜 通过半导体光放大器返回到半导体光放大器，其中半导体光放大器放大从反射镜反射的光，并将放大的光输出到半导体光放大器的第一端。 该光源还包括至少一个透镜系统以会聚通过放大器端的光。
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公开(公告)号：US07355785B2
公开(公告)日：2008-04-08
申请号：US10825816
申请日：2004-04-16
申请人： Ho-In Kim , Jeong-Seok Lee , In-Kuk Yun , Hyun-Cheol Shin , Seung-Woo Kim , Seong-Taek Hwang
发明人： Ho-In Kim , Jeong-Seok Lee , In-Kuk Yun , Hyun-Cheol Shin , Seung-Woo Kim , Seong-Taek Hwang
IPC分类号： H01S3/30
CPC分类号： H01S5/50 , H01S5/028 , H01S5/0654 , H01S5/1014 , H01S5/1203 , H01S5/227 , H01S5/5072
摘要： A gain-clamped semiconductor optical amplifier is disclosed. The amplifier includes a gain waveguide for amplifying an optical signal input to the gain waveguide, and a grating layer, in contact with the gain waveguide, having a first grating disposed at a first end portion.
摘要翻译： 公开了一种增益钳位半导体光放大器。 放大器包括用于放大输入到增益波导的光信号的增益波导和与增益波导接触的光栅层，其具有设置在第一端部处的第一光栅。
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公开(公告)号：US20050122571A1
公开(公告)日：2005-06-09
申请号：US10825816
申请日：2004-04-16
申请人： Ho-In Kim , Jeong-Seok Lee , In-Kuk Yun , Hyun-Cheol Shin , Seung-Woo Kim , Seong-Taek Hwang
发明人： Ho-In Kim , Jeong-Seok Lee , In-Kuk Yun , Hyun-Cheol Shin , Seung-Woo Kim , Seong-Taek Hwang
CPC分类号： H01S5/50 , H01S5/028 , H01S5/0654 , H01S5/1014 , H01S5/1203 , H01S5/227 , H01S5/5072
摘要： A gain-clamped semiconductor optical amplifier is disclosed. The amplifier includes a gain waveguide for amplifying an optical signal input to the gain waveguide, and a grating layer, in contact with the gain waveguide, having a first grating disposed at a first end portion.
摘要翻译： 公开了一种增益钳位半导体光放大器。 放大器包括用于放大输入到增益波导的光信号的增益波导和与增益波导接触的光栅层，其具有设置在第一端部处的第一光栅。
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7.发明授权公开(公告)号：US07209508B2
公开(公告)日：2007-04-24
申请号：US10852519
申请日：2004-05-24
申请人： Seung-Woo Kim , Jeong-Seok Lee , In-Kuk Yun , Seong-Taek Hwang
发明人： Seung-Woo Kim , Jeong-Seok Lee , In-Kuk Yun , Seong-Taek Hwang
CPC分类号： H01S5/02216 , H01S5/005 , H01S5/0064 , H01S5/02248 , H01S5/02284 , H01S5/1092 , H01S5/141
摘要： A multi-channel light source includes a semiconductor optical amplifier for generating light of a wide wavelength band and outputting the generated light through a first end and a second end. The source further includes a Fabry-Perot (FP) resonator for resonating the light inputted from the semiconductor optical amplifier to generate an FP fringe and outputting the FP fringe to the semiconductor optical amplifier. The semiconductor optical amplifier amplifies the FP fringe inputted from the FP resonator and outputs the amplified FP fringe through the first end.
摘要翻译： 多通道光源包括用于产生宽波段的光的半导体光放大器，并通过第一端和第二端输出产生的光。 该源还包括用于使从半导体光放大器输入的光谐振以产生FP条纹并将FP条纹输出到半导体光放大器的法布里 - 珀罗（FP）谐振器。 半导体光放大器放大从FP谐振器输入的FP条纹，并通过第一端输出放大的FP条纹。
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8.发明授权Optical signal transmission apparatus including reflective gain-clamped semiconductor optical amplifier 有权光信号传输装置包括反射增益钳位半导体光放大器公开(公告)号：US07110168B2
公开(公告)日：2006-09-19
申请号：US10847109
申请日：2004-05-17
申请人： Jeong-Seok Lee , Ho-In Kim , In-Kuk Yun , Seung-Woo Kim , Hyun-Cheol Shin , Yun-Je Oh , Seong-Taek Hwang
发明人： Jeong-Seok Lee , Ho-In Kim , In-Kuk Yun , Seung-Woo Kim , Hyun-Cheol Shin , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04B10/12
CPC分类号： H04B10/506 , H01S3/2333 , H01S3/2383 , H01S5/005 , H01S5/5072 , H01S2301/02
摘要： Disclosed are optical signal transmission apparatus including a reflective gain-clamped semiconductor optical amplifier and optical communication system using the optical signal transmission apparatus, which can improve modulation speed and optical power by effectively suppressing intensity noise of an incoherent light source. The optical signal transmission apparatus comprises a light source; a reflective gain-clamped semiconductor optical amplifier to generate gain-clamped optical signals having a substantially constant output intensity in a gain saturation region; a wavelength division multiplexing apparatus configured to spectrum-slice light from the light source, provide the spectrum-sliced light to the reflective gain-clamped semiconductor optical amplifier, and multiplex optical signals gain-clamped by the reflective gain-clamped optical amplifier, and a circulator for inputting the light generated by the light source to the wavelength division multiplexing apparatus, and outputting the optical signal multiplexed by the wavelength division multiplexing apparatus to a transmission link.
摘要翻译： 公开了包括使用光信号传输装置的反射增益钳位半导体光放大器和光通信系统的光信号传输装置，其可以通过有效地抑制非相干光源的强度噪声来提高调制速度和光功率。 光信号传输装置包括光源; 反射增益钳位半导体光放大器，用于产生在增益饱和区中具有基本上恒定的输出强度的增益钳位光信号; 波长分割多路复用装置，被配置为对来自光源的光进行光谱分片，向经反射增益钳位的半导体光放大器提供频谱切割的光，并对由反射增益钳位的光放大器进行增益钳位的多路复用光信号，以及 循环器，用于将由光源产生的光输入到波分多路复用装置，并将由波分多路复用装置复用的光信号输出到传输链路。
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公开(公告)号：US07046435B2
公开(公告)日：2006-05-16
申请号：US10937625
申请日：2004-09-09
申请人： Hyun-Cheol Shin , Jeong-Seok Lee , Ho-In Kim , In-Kuk Yun , Seung-Woo Kim , Seong-Taek Hwang
发明人： Hyun-Cheol Shin , Jeong-Seok Lee , Ho-In Kim , In-Kuk Yun , Seung-Woo Kim , Seong-Taek Hwang
IPC分类号： H01S3/00
CPC分类号： H01S5/50 , H01S5/028 , H01S5/101 , H01S5/1064 , H01S5/1085 , H01S5/16 , H01S5/227 , H01S2301/176
摘要： A reflective semiconductor optical amplifier includes a substrate, a waveguide with a buried heterostructure formed by sequentially laminating a lower cladding, an active layer, and an upper cladding on the substrate, the waveguide including, sequentially, respective straight line, curved and tapered waveguide regions. A current blocking layer surrounds the waveguide to prevent electric current from flowing outside the active layer. Selectively etching portions of the current blocking layer and the substrate around the waveguide forms a trench to reduce parasitic capacitance. Further features include a window region on one end of the tapered waveguide region, an anti-reflection surface on one end of the window region, and a high-reflection surface on one end of the straight line waveguide region.
摘要翻译： 反射半导体光放大器包括基板，具有通过在基板上依次层叠下包层，有源层和上包层而形成的掩埋异质结构的波导，波导依次包括相应的直线，弯曲和锥形波导区域 。 电流阻挡层围绕波导以防止电流流过有源层外部。 选择性地蚀刻电流阻挡层和波导周围的衬底的部分形成沟槽以减小寄生电容。 另外的特征包括在锥形波导区域的一端上的窗口区域，窗口区域的一端上的防反射面以及直线波导区域的一端的高反射面。
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10.发明申请Optical signal transmission apparatus including reflective gain-clamped semiconductor optical amplifier 有权光信号传输装置包括反射增益钳位半导体光放大器公开(公告)号：US20050088724A1
公开(公告)日：2005-04-28
申请号：US10847109
申请日：2004-05-17
申请人： Jeong-Seok Lee , Ho-In Kim , In-Kuk Yun , Seung-Woo Kim , Hyun-Cheol Shin , Yun-Je Oh , Seong-Taek Hwang
发明人： Jeong-Seok Lee , Ho-In Kim , In-Kuk Yun , Seung-Woo Kim , Hyun-Cheol Shin , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H01S5/50 , G02B6/28 , H01S3/00 , H01S3/23 , H01S5/00 , H04B10/2507 , H04B10/40 , H04B10/50 , H04B10/60 , H04J14/00 , H04J14/02
CPC分类号： H04B10/506 , H01S3/2333 , H01S3/2383 , H01S5/005 , H01S5/5072 , H01S2301/02
摘要： Disclosed are optical signal transmission apparatus including a reflective gain-clamped semiconductor optical amplifier and optical communication system using the optical signal transmission apparatus, which can improve modulation speed and optical power by effectively suppressing intensity noise of an incoherent light source. The optical signal transmission apparatus comprises a light source; a reflective gain-clamped semiconductor optical amplifier to generate gain-clamped optical signals having a substantially constant output intensity in a gain saturation region; a wavelength division multiplexing apparatus configured to spectrum-slice light from the light source, provide the spectrum-sliced light to the reflective gain-clamped semiconductor optical amplifier, and multiplex optical signals gain-clamped by the reflective gain-clamped optical amplifier. and a circulator for inputting the light generated by the light source to the wavelength division multiplexing apparatus, and outputting the optical signal multiplexed by the wavelength division multiplexing apparatus to a transmission link.
摘要翻译： 公开了包括使用光信号传输装置的反射增益钳位半导体光放大器和光通信系统的光信号传输装置，其可以通过有效地抑制非相干光源的强度噪声来提高调制速度和光功率。 光信号传输装置包括光源; 反射增益钳位半导体光放大器，用于产生在增益饱和区中具有基本上恒定的输出强度的增益钳位光信号; 波分多路复用装置，被配置为对来自光源的光进行光谱分片，将光谱切片光提供给反射增益钳位半导体光放大器，并且复用由反射增益钳位光放大器增益钳位的光信号。 以及循环器，用于将由光源产生的光输入到波分复用装置，并将由波分多路复用装置复用的光信号输出到传输链路。
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