-
1.发明授权公开(公告)号：US11901692B2
公开(公告)日：2024-02-13
申请号：US17541933
申请日：2021-12-03
CPC分类号： H01S5/022 , G02B6/13 , H01S5/0202 , H01S5/028
摘要： A semiconductor laser device is provided. The semiconductor laser device includes: a substrate having a first facet; a guiding layer having a second facet through which an output light is configured to be emitted; a bottom dielectric layer between the substrate and the guiding layer; and a top dielectric layer on the guiding layer. The second facet is at an angle relative to the first facet.
-
公开(公告)号：US20200301072A1
公开(公告)日：2020-09-24
申请号：US16777727
申请日：2020-01-30
发明人： Majid Sodagar , Paveen Apiratikul
摘要： A method is provided for forming an optical device having a waveguide and a spot size converter (SSC). The method includes providing a crystalline semiconductor region and a non-crystalline semiconductor region on a substrate. The crystalline semiconductor region is coupled to the non-crystalline semiconductor region. The method also includes simultaneously etching the non-crystalline semiconductor region and the crystalline semiconductor region using a same etch mask to form a spot size converter coupled a waveguide. The waveguide has a ridge over a shoulder, and the spot size converter has a ridge over a shoulder.
-
公开(公告)号：US20190170944A1
公开(公告)日：2019-06-06
申请号：US16171132
申请日：2018-10-25
IPC分类号： G02B6/30
摘要： A device is provided for optical mode spot size conversion to optically couple a semiconductor waveguide with an optical fiber. The device includes a waveguide comprising a waveguide taper region, which comprises a shoulder portion and a ridge portion above the shoulder portion. The ridge portion has a width that tapers to meet a width of the shoulder portion. The waveguide taper region comprises a first material. The device also has a mode converter coupled to the waveguide. The mode converter includes a plurality of stages, and each of the plurality of stages tapers in a direction similar to a direction of taper of the waveguide taper region. The mode converter is made of a second material different from the first material.
-
4.发明公开公开(公告)号：US20240275123A1
公开(公告)日：2024-08-15
申请号：US18405337
申请日：2024-01-05
CPC分类号： H01S5/022 , G02B6/13 , H01S5/0202 , H01S5/028
摘要： A semiconductor laser device is provided. The semiconductor laser device includes: a substrate having a first facet; a guiding layer having a second facet through which an output light is configured to be emitted; a bottom dielectric layer between the substrate and the guiding layer, and a top dielectric layer on the guiding layer. The second facet is at an angle relative to the first facet.
-
公开(公告)号：US20210405294A1
公开(公告)日：2021-12-30
申请号：US17314991
申请日：2021-05-07
发明人： Majid Sodagar , Wenyi Wang , Changyi Li , Guoliang Li , Murtaza Askari , Yi Wang , John Dallesasse , Stephen B. Krasulick
摘要： A polarization-independent, optical circulator is formed in silicon photonics. The polarization-independent, optical circulator uses an optical splitter having two couplers and two waveguides joining the two couplers. One of the two waveguides is thinner than the other to create a large effective index difference between TE and TM modes transmitted through the one waveguide. Polarization rotators, including reciprocal and/or non-reciprocal rotators, are further used to create the optical circulator.
-
公开(公告)号：US10088629B2
公开(公告)日：2018-10-02
申请号：US15588128
申请日：2017-05-05
发明人： Majid Sodagar , Murtaza Askari , Guoliang Li
摘要： An optical filter for attenuating higher-order modes in an optical waveguide includes a shoulder slab formed of a first material having a first index of refraction and disposed on a second material having a second index of refraction, the first index of refraction being higher than the second index of refraction. The shoulder slab defines a near end having a first width, an intermediate section, adjacent to the first end section, and a far end section, adjacent to the intermediate section and opposite the first end section along a direction of beam propagation. The optical filter also includes a waveguide ridge, formed of the first material and disposed atop the shoulder slab, that traverses the shoulder slab, and is configured to guide light of a fundamental mode along the direction of beam propagation from the near end section to the far end section.
-
公开(公告)号：US20170242192A1
公开(公告)日：2017-08-24
申请号：US15588128
申请日：2017-05-05
发明人： Majid Sodagar , Murtaza Askari , Guoliang Li
CPC分类号： G02B6/14 , G02B5/20 , G02B6/122 , G02B6/1228 , G02B6/262 , G02B2006/12035 , G02B2006/12097 , G02B2006/12109 , G02F1/3501 , G02F1/365 , G02F2001/3509
摘要： An optical filter for attenuating higher-order modes in an optical waveguide includes a shoulder slab formed of a first material having a first index of refraction and disposed on a second material having a second index of refraction, the first index of refraction being higher than the second index of refraction. The shoulder slab defines a near end having a first width, an intermediate section, adjacent to the first end section, and a far end section, adjacent to the intermediate section and opposite the first end section along a direction of beam propagation. The optical filter also includes a waveguide ridge, formed of the first material and disposed atop the shoulder slab, that traverses the shoulder slab, and is configured to guide light of a fundamental mode along the direction of beam propagation from the near end section to the far end section.
-
公开(公告)号：US10928588B2
公开(公告)日：2021-02-23
申请号：US16160706
申请日：2018-10-15
摘要： A device for optical communication is described. The device comprises two transceivers integrated on one chip. A first transceiver can be used with existing optical-communication architecture. As a more advanced optical-communication architecture becomes adopted, the device can be switched from using the first transceiver to using a second transceiver to communicate using the more advanced optical-communication architecture.
-
公开(公告)号：US20190094464A1
公开(公告)日：2019-03-28
申请号：US16115104
申请日：2018-08-28
发明人： Majid Sodagar , Murtaza Askari , Guoliang Li
摘要： An optical filter for attenuating higher-order modes in an optical waveguide includes a shoulder slab formed of a first material having a first index of refraction and disposed on a second material having a second index of refraction, the first index of refraction being higher than the second index of refraction. The shoulder slab defines a near end having a first width, an intermediate section, adjacent to the first end section, and a far end section, adjacent to the intermediate section and opposite the first end section along a direction of beam propagation. The optical filter also includes a waveguide ridge, formed of the first material and disposed atop the shoulder slab, that traverses the shoulder slab, and is configured to guide light of a fundamental mode along the direction of beam propagation from the near end section to the far end section.
-
公开(公告)号：US09664855B2
公开(公告)日：2017-05-30
申请号：US15262937
申请日：2016-09-12
发明人： Majid Sodagar , Murtaza Askari , Guoliang Li
CPC分类号： G02B6/14 , G02B5/20 , G02B6/122 , G02B6/1228 , G02B6/262 , G02B2006/12035 , G02B2006/12097 , G02B2006/12109 , G02F1/3501 , G02F1/365 , G02F2001/3509
摘要： An optical filter for attenuating higher-order modes in an optical waveguide includes a shoulder slab formed of a first material having a first index of refraction and disposed on a second material having a second index of refraction, the first index of refraction being higher than the second index of refraction. The shoulder slab defines a near end having a first width, an intermediate section, adjacent to the first end section, and a far end section, adjacent to the intermediate section and opposite the first end section along a direction of beam propagation. The optical filter also includes a waveguide ridge, formed of the first material and disposed atop the shoulder slab, that traverses the shoulder slab, and is configured to guide light of a fundamental mode along the direction of beam propagation from the near end section to the far end section.
-
-
-
-
-
-
-
-
-
搜索结果
20 条记录 (耗时 0.041 秒)
