公开(公告)号：US20230393446A1

公开(公告)日：2023-12-07

申请号：US18309600

申请日：2023-04-28

申请人： The Trustees of Columbia University in the City of New York

发明人： Andres Gil-Molina ,  Yair Antman ,  Ohad Westreich ,  Xingchen Ji ,  Min Chul Shin ,  Gaurang R Bhatt ,  Bok Young Kim ,  Yoshitomo Okawachi ,  Alexander L Gaeta ,  Michal Lipson

IPC分类号： G02F1/35 ,  G02F1/39

CPC分类号： G02F1/3511 ,  G02F2203/56 ,  G02F1/39

摘要： Systems, methods, devices, and apparatuses generate a fully integrated broadband high power frequency combs, based on a multimode gain chip. Embodiments can generate a frequency comb spanning over ˜150 nm and include self-injection locking of a multimode chip-based gain, which can allow access to high pump power while maintaining single mode operation. The integrated frequency comb systems and methods can comprise a multimode gain chip, a ring resonator in optical communication with a waveguide and, and an integrated heater in thermal communication with the ring resonator. Embodiments can be configured to receive multimode gain input and effect a single-mode ring feedback to determine a target mode. A temperature of the ring resonator can be optionally adjusted to modulate the ring feedback, and the ring feedback can be applied to the multimode gain input to generate an output frequency comb that includes the target mode.

公开(公告)号：US20180323054A1

公开(公告)日：2018-11-08

申请号：US15971283

申请日：2018-05-04

申请人： The Trustees of Columbia University in the City of New York

发明人： Michal Lipson ,  Gaurang R Bhatt ,  Raphael St-Gelais ,  Avik Dutt ,  Steven Miller ,  Felippe A.S. Barbosa

IPC分类号： H01K7/00 ,  H01K1/14 ,  G01J3/26 ,  H01K1/32

CPC分类号： H01K7/00 ,  G01J3/108 ,  G01J3/26 ,  G01J5/046 ,  G01J5/522 ,  H01K1/14 ,  H01K1/325

摘要： A emitter is formed of a thin-film membrane disposed within a cavity so as to provide a output beam. The emitter may be configured to obtain broadband light. The emitter may enhance the emissivity of light over a broad spectral band.

公开(公告)号：US11256112B2

公开(公告)日：2022-02-22

申请号：US16282013

申请日：2019-02-21

申请人： The Trustees of Columbia University in the City of New York

发明人： Michal Lipson ,  James Hone ,  Nanfang Yu ,  Ipshita Datta ,  Sanghoon Chae ,  Gaurang R Bhatt ,  Dmitri N Basov

IPC分类号： G02F1/01

摘要： Methods, systems, and devices are described for electro-optic tuning. An example device may comprise a first layer comprising a transition metal di-chalcogenide material, a second layer comprising a conductive material, and a third layer comprising a dielectric material. The third layer may be disposed at least partially between the first layer and the second layer. An electrical potential difference applied between the first layer and the second layer may cause a tunable refractive index change in the first layer.

公开(公告)号：US10438790B2

公开(公告)日：2019-10-08

申请号：US15971283

申请日：2018-05-04

申请人： The Trustees of Columbia University in the City of New York

发明人： Michal Lipson ,  Gaurang R Bhatt ,  Raphael St-Gelais ,  Avik Dutt ,  Steven Miller ,  Felippe A. S. Barbosa

IPC分类号： H01K7/00 ,  H01K1/14 ,  H01K1/32 ,  G01J3/26

摘要： A emitter is formed of a thin-film membrane disposed within a cavity so as to provide a output beam. The emitter may be configured to obtain broadband light. The emitter may enhance the emissivity of light over a broad spectral band.