At the heart of the peer review process are reviewers. These researchers unselfishly donate their time and attention to review manuscripts. Their work is what makes the peer review system work and scholarly journals possible. The editors and publisher of Applied Physics Letters thank all of our reviewers for their conscientious work on behalf of the journal.

We further offer special thanks to the following researchers who have been identified as Applied Physics Letters' top reviewers for 2018. These individuals each reviewed multiple papers for APL, and our editors found their reviews to be consistently thorough and discerning.

S. Pamir Alpay, University of Connecticut, USA

Jeffrey Bokor, University of California, Berkeley, USA

Kelson Chabak, Air Force Research Laboratory, USA

Sonal Dey, SUNY Polytechnic Institute, USA

Emre Erdem, Universitat Freiburg, Germany

Mohamed Ghoneim, Massachusetts Institute of Technology, USA

Masataka Higashiwaki, National Institute of Information and Communications Technology, Japan

Cheol Seong Hwang, Seoul National University, South Korea

Wanjun Jiang, Tsinghua University, China

Yun Jing, North Carolina State University, USA

Emil List-Kratochvil, Humboldt-Universitat zu Berlin, Germany

Chaitanya Kshirsagar, Broadcom Corporation, USA

Guanxiong Liu, University of California, Riverside, USA

Qinli Ma, Johns Hopkins University, USA

Thomas Mikolajick, Technical University of Dresden, Germany

Seyedfakhreddin Nabavi, Memorial University, Canada

Masashi Shiraishi, Kyoto University, Japan

Man Hoi Wong, National Institute of Information and Communications Technology, Japan

Hongping Zhao, The Ohio State University, USA

Hao Zhu, Fudan University, China

Taishan Zhu, University of Illinois at Urbana Champaign, USA