New opportunities for optical phase-locked loops in coherent photonics. - Larry A. Coldren; Mingzhi Lu; Hyun-Chul Park; Eli Bloch; John Parker; Leif A. Johansson; Mark J. W. Rodwell (OFC/NFOEC, 2013)

InP photonic integrated circuit with on-chip tunable laser source for 2D optical beam steering. - Weihua Guo; Pietro R. A. Binetti; Chad Althouse; Leif A. Johansson; Larry A. Coldren (OFC/NFOEC, 2013)

A heterodyne optical phase-locked loop for multiple applications. - Mingzhi Lu; Hyun-Chul Park; John S. Parker; Eli Bloch; Abirami Sivananthan; Zach Griffith; Leif A. Johansson; Mark J. W. Rodwell; Larry A. Coldren (OFC/NFOEC, 2013)

Monolithic linewidth narrowing of a tunable SG-DBR laser. - Abirami Sivananthan; Hyun-Chul Park; Mingzhi Lu; John S. Parker; Eli Bloch; Leif A. Johansson; Mark J. W. Rodwell; Larry A. Coldren (OFC/NFOEC, 2013)

A highly-integrated optical frequency synthesizer based on phase-locked loops. - Mingzhi Lu; Hyun-Chul Park; Eli Bloch; Leif A. Johansson; Mark J. W. Rodwell; Larry A. Coldren (OFC, 2014)

An integrated heterodyne optical phase-locked loop with record offset locking frequency. - Mingzhi Lu; Hyun-Chul Park; Eli Bloch; Leif A. Johansson; Mark J. W. Rodwell; Larry A. Coldren (OFC, 2014)

A chip-scale heterodyne optical phase-locked loop with low-power consumption. - Arda Simsek; Shamsul Arafin; Seong-Kyun Kim; Gordon Morrison; Leif A. Johansson; Milan Mashanovitch; Larry A. Coldren; Mark J. W. Rodwell (OFC, 2017)

Electrically pumped high power laser transmitter integrated on thin-film lithium niobate. - Amirhassan Shams-Ansari; Dylan Renaud; Rebecca Cheng; Linbo Shao; Lingyan He; Di Zhu; Mengjie Yu; Hannah R. Grant; Leif A. Johansson; Mian Zhang; Marko Loncar (OFC, 2022)

Compact Hybrid-Integrated Multi-Wavelength O-Band Laser Source using Photonic Wire Bonding. - Victoria Rosborough; Juergen Musolf; Thomas Liu; Henry Garrett; Don Kebort; Steve Penniman; Devon Gavigan; Hannah R. Grant; Sabrina Wagner; Gordon Morrison; Leif A. Johansson; Milan L. Masanovic (OFC, 2024)