EP3900126A4 - Method and circuit for reflection cancellation - Google Patents

Method and circuit for reflection cancellation Download PDF

Info

Publication number
EP3900126A4
EP3900126A4 EP19899476.6A EP19899476A EP3900126A4 EP 3900126 A4 EP3900126 A4 EP 3900126A4 EP 19899476 A EP19899476 A EP 19899476A EP 3900126 A4 EP3900126 A4 EP 3900126A4
Authority
EP
European Patent Office
Prior art keywords
circuit
reflection cancellation
cancellation
reflection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19899476.6A
Other languages
German (de)
French (fr)
Other versions
EP3900126A1 (en
Inventor
Lukas Chrostowski
Nicolas A.F. Jaeger
Sudip Shekhar
Hasitha JAYATILLEKA
Hossam A.S. SHOMAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of British Columbia
Original Assignee
University of British Columbia
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of British Columbia filed Critical University of British Columbia
Publication of EP3900126A1 publication Critical patent/EP3900126A1/en
Publication of EP3900126A4 publication Critical patent/EP3900126A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0064—Anti-reflection components, e.g. optical isolators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0078—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for frequency filtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/0206—Substrates, e.g. growth, shape, material, removal or bonding
    • H01S5/021—Silicon based substrates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Semiconductor Lasers (AREA)
EP19899476.6A 2018-12-20 2019-12-20 Method and circuit for reflection cancellation Pending EP3900126A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862782632P 2018-12-20 2018-12-20
PCT/CA2019/051894 WO2020124270A1 (en) 2018-12-20 2019-12-20 Method and circuit for reflection cancellation

Publications (2)

Publication Number Publication Date
EP3900126A1 EP3900126A1 (en) 2021-10-27
EP3900126A4 true EP3900126A4 (en) 2022-09-14

Family

ID=71100049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19899476.6A Pending EP3900126A4 (en) 2018-12-20 2019-12-20 Method and circuit for reflection cancellation

Country Status (2)

Country Link
EP (1) EP3900126A4 (en)
WO (1) WO2020124270A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180292680A1 (en) * 2017-04-07 2018-10-11 Elenion Technologies, Llc Controlling Back Scattering in Optical Waveguide Systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7420997B2 (en) * 2006-10-16 2008-09-02 Corning Incorporated Wavelength control in wavelength selective, phase, and gain regions of semiconductor lasers
US9008208B2 (en) * 2012-05-13 2015-04-14 Amir Keyvan Khandani Wireless transmission with channel state perturbation
US10209537B2 (en) * 2016-09-09 2019-02-19 Huawei Technologies Canada Co., Ltd. Method and apparatus for monitoring and controlling a photonic switch using phase sweeping

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180292680A1 (en) * 2017-04-07 2018-10-11 Elenion Technologies, Llc Controlling Back Scattering in Optical Waveguide Systems

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HAUCK JOHANNES ET AL: "Stabilization and Frequency Control of a DFB Laser With a Tunable Optical Reflector Integrated in a Silicon Photonics PIC", JOURNAL OF LIGHTWAVE TECHNOLOGY, IEEE, USA, vol. 34, no. 23, 1 December 2016 (2016-12-01), pages 5467 - 5473, XP011636343, ISSN: 0733-8724, [retrieved on 20161209], DOI: 10.1109/JLT.2016.2616947 *
IBRAHIM S K ET AL: "Non-magnetic 30 dB integrated optical isolator in III/V material", ELECTRONICS LETTERS, THE INSTITUTION OF ENGINEERING AND TECHNOLOGY, GB, vol. 40, no. 20, 30 September 2004 (2004-09-30), pages 1293 - 1294, XP006022693, ISSN: 0013-5194, DOI: 10.1049/EL:20045901 *
PAYAM ALIPOUR ET AL: "Thermally reconfigurable device for adaptive reflection suppression on a silicon-on-insulator platform", OPTICS LETTERS, OPTICAL SOCIETY OF AMERICA, US, vol. 39, no. 5, 1 March 2014 (2014-03-01), pages 1141 - 1144, XP001589157, ISSN: 0146-9592, [retrieved on 20140219], DOI: 10.1364/OL.39.001141 *
See also references of WO2020124270A1 *

Also Published As

Publication number Publication date
WO2020124270A1 (en) 2020-06-25
EP3900126A1 (en) 2021-10-27

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