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1. WO2020156860 - STRUCTURE DE GUIDE D'ONDE POUR INTÉGRATION DE QUIBIT-OPTIQUE-CMOS


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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/EP2020/051287 YOR820162363
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
20 January 2020 29 January 2019
Applicant
INTERNATIONAL BUSINESS MACHINES CORPORATION
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
WAVEGUIDE STRUCTURE FOR QUBIT-OPTICAL-CMOS INTEGRATION

5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     G02B 6/12 (2006.01)i; G02F 1/035 (2006.01)i; G06N 10/00 (2019.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     G02B; G06N; G02F
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
FR 3046853 A1 (COMMISSARIAT ENERGIE ATOMIQUE [FR]; CENTRE NAT RECH SCIENT [FR] ET AL.) 21 July 2017 (2017-07-21)
1
page 15, lines 15-17
page 16, lines 16-18
page 18, line 24 - page 19, line 10
figures 6-8c
(2)
X
US 2005104684 A1 (WOJCIK GREGORY L [US] ET AL) 19 May 2005 (2005-05-19)
1,2
paragraph [0025]; figure 1a
(3)
A
US 2006051010 A1 (CHU SAI [US] ET AL) 09 March 2006 (2006-03-09)
1-3
paragraph [0008]
(4)
A
US 2011044362 A1 (WADA KAZUMI [JP] ET AL) 24 February 2011 (2011-02-24)
1-3
paragraphs [0086], [0087]
(5)
A
US 2009206242 A1 (MIZAIKOFF BORIS [US] ET AL) 20 August 2009 (2009-08-20)
1,2
paragraphs [0040], [0042], [0050], [0051]; figure 1c
(6)
A
US 9857609 B2 (IBM [US]) 02 January 2018 (2018-01-02)
1-19
cited in the application
the whole document
(7)
A
M. GEBSKI ET AL, "Monolithic high-index contrast grating: a material independent high-reflectance VCSEL mirror", OPTICS EXPRESS,Vol. 23, No. 9, 24 April 2015 (2015-04-24), page 11674,
XP055685702
1
figure 2
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
FR 3046853 A1
21 July 2017
NONE
US 2005104684 A1
19 May 2005
NONE
US 2006051010 A1
09 March 2006
US 2006051010 A1
US 2007206899 A1
US 2007211992 A1
US 2008175538 A1
US 2009314763 A1
09 March 2006
06 September 2007
13 September 2007
24 July 2008
24 December 2009
US 2011044362 A1
24 February 2011
JP 5278868 B2
JP 2009076498 A
US 2011044362 A1
WO 2009038122 A1
04 September 2013
09 April 2009
24 February 2011
26 March 2009
US 2009206242 A1
20 August 2009
EP 1946161 A2
US 2009206242 A1
WO 2007030737 A2
23 July 2008
20 August 2009
15 March 2007
US 9857609 B2
02 January 2018
CN 108604764 A
DE 112017000319 T5
GB 2562979 A
JP 2019512104 A
US 2017227795 A1
US 2017261770 A1
US 2017261771 A1
WO 2017137855 A1
28 September 2018
18 October 2018
28 November 2018
09 May 2019
10 August 2017
14 September 2017
14 September 2017
17 August 2017
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
15 April 2020
Date of mailing of the international search report:
29 April 2020
Authorized officer:
Ciarrocca, Marco
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