公开(公告)号：US11079551B2

公开(公告)日：2021-08-03

申请号：US16717559

申请日：2019-12-17

Applicant: Lumentum Operations LLC

Inventor： Peter David Roorda ,  Paul Colbourne ,  Sheldon McLaughlin

IPC: H04J14/02 ,  G02B6/35 ,  G02B26/08 ,  G02B6/293

Abstract: An optical device may include a monolithic beam steering engine. The device may include a twin M×N wavelength selective switch (WSS) including a first M×N WSS and a second M×N WSS. The first M×N WSS may include a first panel section of the monolithic beam steering engine to perform first beam steering of first beams, wherein the first beam steering is add/drop port beam steering; and a second panel section of the monolithic beam steering engine to perform second beam steering of second beams, wherein the second beam steering is common port beam steering. The first M×N WSS may include a first optical element aligned to the monolithic beam steering engine to direct one of the first beams or the second beams relative to the other of the first beams or the second beams, such that the first beams are directed in a different direction from the second beams.

公开(公告)号：US20200033509A1

公开(公告)日：2020-01-30

申请号：US16594138

申请日：2019-10-07

Applicant: Lumentum Operations LLC

Inventor： John Michael Miller ,  Joel Milgram ,  Karen Denise Hendrix ,  Michael O'Leary ,  Hery Djie ,  Lu Tian ,  Paul Colbourne

IPC: G02B1/12 ,  G02B5/30 ,  G02B1/11 ,  G03F7/00 ,  G02B5/18 ,  G02B27/28

Abstract: A zoned waveplate has a series of transversely stacked birefringent zones alternating with non-birefringent zones. The birefringent and non-birefringent zones are integrally formed upon an AR-coated face of a single substrate by patterning the AR coated face of the substrate with zero-order sub-wavelength form-birefringent gratings configured to have a target retardance. The layer structure of the AR coating is designed to provide the target birefringence in the patterned zones and the reflection suppression.

公开(公告)号：US10461493B2

公开(公告)日：2019-10-29

申请号：US16100769

申请日：2018-08-10

Applicant: Lumentum Operations LLC

Inventor： Wei Xiong ,  Michael C. Larson ,  Paul Colbourne ,  Sheldon McLaughlin

IPC: H01S3/10 ,  H01S3/00 ,  H01S3/13 ,  H01S5/0687 ,  H01S3/08 ,  H01S3/081 ,  H01S3/106 ,  H01S5/14 ,  H01S5/00

Abstract: A device may include a first photodetector to generate a first current based on an optical power of an optical beam. The device may include a beam splitter to split a portion of the optical beam into a first beam and a second beam. The device may include a wavelength filter to filter the first beam and the second beam. The wavelength filter may filter the second beam differently than the first beam based on a difference between an optical path length of the first beam and an optical path length of the second beam through the wavelength filter. The device may include second and third photodetectors to respectively receive, after the wavelength filter, the first beam and the second beam and to generate respective second currents.

公开(公告)号：US20180252845A1

公开(公告)日：2018-09-06

申请号：US15973109

申请日：2018-05-07

Applicant: Lumentum Operations LLC

Inventor： John Michael Miller ,  Joel Milgram ,  Karen Denise Hendrix ,  Michael O'Leary ,  Hery Djie ,  Lu Tian ,  Paul Colbourne

IPC: G02B1/12 ,  G02B5/18 ,  G02B27/28 ,  G02B5/30 ,  G03F7/00 ,  G02B1/11

CPC classification number: G02B1/12 ,  G02B1/11 ,  G02B5/1809 ,  G02B5/3083 ,  G02B27/286 ,  G03F7/0005

Abstract: A zoned waveplate has a series of transversely stacked birefringent zones alternating with non-birefringent zones. The birefringent and non-birefringent zones are integrally formed upon an AR-coated face of a single substrate by patterning the AR coated face of the substrate with zero-order sub-wavelength form-birefringent gratings configured to have a target retardance. The layer structure of the AR coating is designed to provide the target birefringence in the patterned zones and the reflection suppression.