IEEE Journal of Quantum Electronics

The IEEE Journal of Quantum Electronics is dedicated to the publication of manuscripts reporting novel experimental or theoretical results in the broad field of the science and technology of quantum electronics. The Journal comprises original contributions, both regular papers and letters, describing significant advances in the understanding of quantum electronics phenomena or the demonstration of new devices, systems, or applications. Manuscripts reporting new developments in systems and applications must emphasize quantum electronics principles or devices. The scope of JQE encompasses the generation, propagation, detection, and application of coherent electromagnetic radiation having wavelengths below one millimeter (i.e., in the submillimeter, infrared, visible, ultraviolet, etc., regions). Whether the focus of a manuscript is a quantum-electronic device or phenomenon, the critical factor in the editorial review of a manuscript is the potential impact of the results presented on continuing research in the field or on advancing the technological base of quantum electronics.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Atomic and Molecular Physics, and Optics	1999	Q1
Atomic and Molecular Physics, and Optics	2000	Q1
Atomic and Molecular Physics, and Optics	2001	Q1
Atomic and Molecular Physics, and Optics	2002	Q1
Atomic and Molecular Physics, and Optics	2003	Q1
Atomic and Molecular Physics, and Optics	2004	Q1
Atomic and Molecular Physics, and Optics	2005	Q1
Atomic and Molecular Physics, and Optics	2006	Q1
Atomic and Molecular Physics, and Optics	2007	Q1
Atomic and Molecular Physics, and Optics	2008	Q1
Atomic and Molecular Physics, and Optics	2009	Q1
Atomic and Molecular Physics, and Optics	2010	Q1
Atomic and Molecular Physics, and Optics	2011	Q1
Atomic and Molecular Physics, and Optics	2012	Q1
Atomic and Molecular Physics, and Optics	2013	Q1
Atomic and Molecular Physics, and Optics	2014	Q1
Atomic and Molecular Physics, and Optics	2015	Q1
Atomic and Molecular Physics, and Optics	2016	Q2
Atomic and Molecular Physics, and Optics	2017	Q2
Atomic and Molecular Physics, and Optics	2018	Q2
Atomic and Molecular Physics, and Optics	2019	Q1
Condensed Matter Physics	1999	Q1
Condensed Matter Physics	2000	Q1
Condensed Matter Physics	2001	Q1
Condensed Matter Physics	2002	Q1
Condensed Matter Physics	2003	Q1
Condensed Matter Physics	2004	Q1
Condensed Matter Physics	2005	Q1
Condensed Matter Physics	2006	Q1
Condensed Matter Physics	2007	Q1
Condensed Matter Physics	2008	Q1
Condensed Matter Physics	2009	Q1
Condensed Matter Physics	2010	Q1
Condensed Matter Physics	2011	Q1
Condensed Matter Physics	2012	Q1
Condensed Matter Physics	2013	Q1
Condensed Matter Physics	2014	Q1
Condensed Matter Physics	2015	Q1
Condensed Matter Physics	2016	Q2
Condensed Matter Physics	2017	Q2
Condensed Matter Physics	2018	Q2
Condensed Matter Physics	2019	Q1
Electrical and Electronic Engineering	1999	Q1
Electrical and Electronic Engineering	2000	Q1
Electrical and Electronic Engineering	2001	Q1
Electrical and Electronic Engineering	2002	Q1
Electrical and Electronic Engineering	2003	Q1
Electrical and Electronic Engineering	2004	Q1
Electrical and Electronic Engineering	2005	Q1
Electrical and Electronic Engineering	2006	Q1
Electrical and Electronic Engineering	2007	Q1
Electrical and Electronic Engineering	2008	Q1
Electrical and Electronic Engineering	2009	Q1
Electrical and Electronic Engineering	2010	Q1
Electrical and Electronic Engineering	2011	Q1
Electrical and Electronic Engineering	2012	Q1
Electrical and Electronic Engineering	2013	Q1
Electrical and Electronic Engineering	2014	Q1
Electrical and Electronic Engineering	2015	Q1
Electrical and Electronic Engineering	2016	Q1
Electrical and Electronic Engineering	2017	Q1
Electrical and Electronic Engineering	2018	Q1
Electrical and Electronic Engineering	2019	Q1

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
1999	2.096
2000	1.790
2001	2.527
2002	2.224
2003	2.648
2004	2.856
2005	2.806
2006	1.792
2007	2.025
2008	1.716
2009	1.801
2010	1.372
2011	1.301
2012	1.370
2013	1.384
2014	1.090
2015	0.968
2016	0.723
2017	0.650
2018	0.736
2019	0.835

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	1.715
Cites / Doc. (4 years)	2000	1.734
Cites / Doc. (4 years)	2001	2.317
Cites / Doc. (4 years)	2002	2.391
Cites / Doc. (4 years)	2003	2.987
Cites / Doc. (4 years)	2004	3.444
Cites / Doc. (4 years)	2005	3.838
Cites / Doc. (4 years)	2006	3.273
Cites / Doc. (4 years)	2007	3.097
Cites / Doc. (4 years)	2008	2.578
Cites / Doc. (4 years)	2009	2.692
Cites / Doc. (4 years)	2010	2.765
Cites / Doc. (4 years)	2011	2.478
Cites / Doc. (4 years)	2012	2.585
Cites / Doc. (4 years)	2013	2.678
Cites / Doc. (4 years)	2014	2.234
Cites / Doc. (4 years)	2015	2.012
Cites / Doc. (4 years)	2016	1.942
Cites / Doc. (4 years)	2017	2.086
Cites / Doc. (4 years)	2018	2.161
Cites / Doc. (4 years)	2019	2.301
Cites / Doc. (3 years)	1999	1.715
Cites / Doc. (3 years)	2000	1.792
Cites / Doc. (3 years)	2001	2.352
Cites / Doc. (3 years)	2002	2.549
Cites / Doc. (3 years)	2003	3.164
Cites / Doc. (3 years)	2004	3.690
Cites / Doc. (3 years)	2005	4.153
Cites / Doc. (3 years)	2006	2.967
Cites / Doc. (3 years)	2007	3.094
Cites / Doc. (3 years)	2008	2.681
Cites / Doc. (3 years)	2009	2.828
Cites / Doc. (3 years)	2010	2.666
Cites / Doc. (3 years)	2011	2.566
Cites / Doc. (3 years)	2012	2.609
Cites / Doc. (3 years)	2013	2.701
Cites / Doc. (3 years)	2014	2.250
Cites / Doc. (3 years)	2015	2.141
Cites / Doc. (3 years)	2016	1.943
Cites / Doc. (3 years)	2017	2.127
Cites / Doc. (3 years)	2018	2.252
Cites / Doc. (3 years)	2019	2.562
Cites / Doc. (2 years)	1999	1.772
Cites / Doc. (2 years)	2000	1.730
Cites / Doc. (2 years)	2001	2.428
Cites / Doc. (2 years)	2002	2.451
Cites / Doc. (2 years)	2003	3.404
Cites / Doc. (2 years)	2004	4.086
Cites / Doc. (2 years)	2005	3.467
Cites / Doc. (2 years)	2006	2.880
Cites / Doc. (2 years)	2007	3.291
Cites / Doc. (2 years)	2008	2.725
Cites / Doc. (2 years)	2009	2.676
Cites / Doc. (2 years)	2010	2.842
Cites / Doc. (2 years)	2011	2.609
Cites / Doc. (2 years)	2012	2.478
Cites / Doc. (2 years)	2013	2.634
Cites / Doc. (2 years)	2014	2.330
Cites / Doc. (2 years)	2015	2.100
Cites / Doc. (2 years)	2016	1.944
Cites / Doc. (2 years)	2017	2.252
Cites / Doc. (2 years)	2018	2.535
Cites / Doc. (2 years)	2019	2.406

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	174
Self Cites	2000	149
Self Cites	2001	148
Self Cites	2002	115
Self Cites	2003	121
Self Cites	2004	143
Self Cites	2005	169
Self Cites	2006	121
Self Cites	2007	103
Self Cites	2008	79
Self Cites	2009	94
Self Cites	2010	93
Self Cites	2011	86
Self Cites	2012	112
Self Cites	2013	85
Self Cites	2014	61
Self Cites	2015	51
Self Cites	2016	36
Self Cites	2017	30
Self Cites	2018	26
Self Cites	2019	24
Total Cites	1999	1410
Total Cites	2000	1437
Total Cites	2001	1677
Total Cites	2002	1583
Total Cites	2003	1835
Total Cites	2004	2203
Total Cites	2005	2521
Total Cites	2006	1813
Total Cites	2007	1736
Total Cites	2008	1354
Total Cites	2009	1318
Total Cites	2010	1357
Total Cites	2011	1560
Total Cites	2012	1680
Total Cites	2013	1769
Total Cites	2014	1206
Total Cites	2015	1017
Total Cites	2016	750
Total Cites	2017	753
Total Cites	2018	716
Total Cites	2019	766

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	1.504
External Cites per document	2000	1.606
External Cites per document	2001	2.144
External Cites per document	2002	2.364
External Cites per document	2003	2.955
External Cites per document	2004	3.451
External Cites per document	2005	3.875
External Cites per document	2006	2.769
External Cites per document	2007	2.911
External Cites per document	2008	2.525
External Cites per document	2009	2.627
External Cites per document	2010	2.483
External Cites per document	2011	2.424
External Cites per document	2012	2.435
External Cites per document	2013	2.571
External Cites per document	2014	2.136
External Cites per document	2015	2.034
External Cites per document	2016	1.850
External Cites per document	2017	2.042
External Cites per document	2018	2.170
External Cites per document	2019	2.482
Cites per document	1999	1.715
Cites per document	2000	1.792
Cites per document	2001	2.352
Cites per document	2002	2.549
Cites per document	2003	3.164
Cites per document	2004	3.690
Cites per document	2005	4.153
Cites per document	2006	2.967
Cites per document	2007	3.094
Cites per document	2008	2.681
Cites per document	2009	2.828
Cites per document	2010	2.666
Cites per document	2011	2.566
Cites per document	2012	2.609
Cites per document	2013	2.701
Cites per document	2014	2.250
Cites per document	2015	2.141
Cites per document	2016	1.943
Cites per document	2017	2.127
Cites per document	2018	2.252
Cites per document	2019	2.562

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	33.33
2000	32.80
2001	30.43
2002	45.85
2003	25.00
2004	27.10
2005	25.24
2006	29.94
2007	28.39
2008	28.22
2009	29.80
2010	23.92
2011	23.00
2012	22.01
2013	30.15
2014	27.86
2015	19.49
2016	26.47
2017	28.71
2018	38.61
2019	26.03

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	13
Non-citable documents	2000	12
Non-citable documents	2001	8
Non-citable documents	2002	12
Non-citable documents	2003	18
Non-citable documents	2004	23
Non-citable documents	2005	20
Non-citable documents	2006	17
Non-citable documents	2007	16
Non-citable documents	2008	13
Non-citable documents	2009	9
Non-citable documents	2010	7
Non-citable documents	2011	8
Non-citable documents	2012	9
Non-citable documents	2013	9
Non-citable documents	2014	9
Non-citable documents	2015	10
Non-citable documents	2016	8
Non-citable documents	2017	6
Non-citable documents	2018	3
Non-citable documents	2019	5
Citable documents	1999	822
Citable documents	2000	802
Citable documents	2001	713
Citable documents	2002	621
Citable documents	2003	580
Citable documents	2004	597
Citable documents	2005	607
Citable documents	2006	611
Citable documents	2007	561
Citable documents	2008	505
Citable documents	2009	466
Citable documents	2010	509
Citable documents	2011	608
Citable documents	2012	644
Citable documents	2013	655
Citable documents	2014	536
Citable documents	2015	475
Citable documents	2016	386
Citable documents	2017	354
Citable documents	2018	318
Citable documents	2019	299

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	331
Uncited documents	2000	303
Uncited documents	2001	233
Uncited documents	2002	209
Uncited documents	2003	178
Uncited documents	2004	154
Uncited documents	2005	128
Uncited documents	2006	166
Uncited documents	2007	131
Uncited documents	2008	148
Uncited documents	2009	132
Uncited documents	2010	136
Uncited documents	2011	204
Uncited documents	2012	180
Uncited documents	2013	167
Uncited documents	2014	157
Uncited documents	2015	163
Uncited documents	2016	142
Uncited documents	2017	112
Uncited documents	2018	103
Uncited documents	2019	84
Cited documents	1999	504
Cited documents	2000	511
Cited documents	2001	488
Cited documents	2002	424
Cited documents	2003	420
Cited documents	2004	466
Cited documents	2005	499
Cited documents	2006	462
Cited documents	2007	446
Cited documents	2008	370
Cited documents	2009	343
Cited documents	2010	380
Cited documents	2011	412
Cited documents	2012	473
Cited documents	2013	497
Cited documents	2014	388
Cited documents	2015	322
Cited documents	2016	252
Cited documents	2017	248
Cited documents	2018	218
Cited documents	2019	220