Enhancement of field emission of the ZnO film by the reduced work function and the increased conductivity via hydrogen plasma treatment

JB You, XW Zhang, PF Cai, JJ Dong, Y Gao… - Applied Physics …, 2009 - pubs.aip.org
The ZnO films deposited by magnetron sputtering were treated by H/O plasma. It is found
that the field emission (FE) characteristics of the ZnO film are considerably improved after H …

Low dark current 1.55 Micrometer InAs quantum dash waveguide photodiodes

Y Wan, C Shang, J Huang, Z Xie, A Jain, J Norman… - ACS …, 2020 - ACS Publications
Photodiodes and integrated optical receivers operating at 1.55 micrometer (μm) wavelength
are crucial for long-haul communication and data transfer systems. In this paper, we report C …

40-Gb/s low chirp electroabsorption modulator integrated with DFB laser

Y Cheng, J Pan, Y Wang, F Zhou… - IEEE Photonics …, 2009 - ieeexplore.ieee.org
A 40-Gb/s monolithically integrated transmitter containing an InGaAsP multiple-quantum-
well electroabsorption modulator (EAM) with lumped electrode and a distributed-feedback …

A 60-GHz-band analog optical system-on-package transmitter for fiber-radio communications

YD Chung, KS Choi, JS Sim, HK Yu… - Journal of Lightwave …, 2007 - ieeexplore.ieee.org
We developed an analog optical system-on-package (SoP) transmitter for a 60-GHz-band
radio-over-fiber (RoF) link. The SoP transmitter consisted of an electroabsorption modulator …

40 Gb/s Traveling‐Wave Electroabsorption Modulator‐Integrated DFB Lasers Fabricated Using Selective Area Growth

YH Kwon, JS Choe, JS Sim, SB Kim, HG Yun… - ETRI …, 2009 - Wiley Online Library
In this paper, we present the fabrication of 40 Gb/s traveling‐wave electroabsorption
modulator‐integrated laser (TW‐EML) modules. A selective area growth method is first …

Optimization of spot-size converter for low polarization dependent loss of waveguide photodetector

JS Choe, WS Han, DJ Kim, JH Kim, CJ Youn… - Optics express, 2013 - opg.optica.org
We present an optimization of spot-size converter (SSC) of waveguide photodetector (PD)
for small polarization dependent loss (PDL). Beam-propagation method simulation gives …

A compact evanescently-coupled germanium PIN waveguide photodetector

Z Tu, K Liu, H Yi, R Zhou, X Wang… - … and Micro/Nano …, 2012 - spiedigitallibrary.org
A compact 1.6× 10μm 2 germanium pin waveguide photodetector was demonstrated on a
Silicon-on-Insulator substrate. The dark current of the photodetector was measured to be …

A cost‐effective 40‐Gb/s ROSA module employing compact TO‐CAN package

SK Kang, JK Lee, JY Huh, JC Lee, K Kim, J Lee - ETRI Journal, 2013 - Wiley Online Library
In this paper, we present an implemented serial 40‐Gb/s receiver optical subassembly
(ROSA) module by employing a proposed TO‐CAN package and flexible printed circuit …

Fabrication and characteristics of 40-Gb/s traveling-wave electroabsorption modulator-integrated DFB laser modules

HG Yun, KS Choi, YH Kwon, JS Choe… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
We have developed 40-Gb/s traveling-wave electroabsorption-modulator-integrated
distributed feedback laser (TW-EML) modules using several advanced technologies. First …

Cost Effective Silica‐Based 100 G DP‐QPSK Coherent Receiver

SY Lee, YT Han, JH Kim, HD Joung, JS Choe… - ETRI …, 2016 - Wiley Online Library
We present a cost‐effective dual polarization quadrature phase‐shift coherent receiver
module using a silica planar lightwave circuit (PLC) hybrid assembly. Two polarization beam …