# IEEE Journal of Selected Topics in Quantum Electronics

## Issue 99

Early Access articles are new content made available in advance of the final electronic or print versions and result from IEEE's Preprint or Rapid Post processes. Preprint articles are peer-reviewed but not fully edited. Rapid Post articles are peer-reviewed and edited but not paginated. Both these types of Early Access articles are fully citable from the moment they appear in IEEE Xplore.

## Filter Results

Displaying Results 1 - 25 of 41
• ### Kinetics of skin optical clearing at topical application of 40%-glucose: ex vivo and in vivo studies

Publication Year: 2018, Page(s): 1
| | PDF (621 KB)

Optical, molecule diffusion, and mechanical properties of skin and blood microcirculation in the underlying tissues at topical application of 40%-glucose solution in rats were investigated. We present results on optical clearing of ex vivo and in vivo skin with spectral measurements within the wavelength range of 500-900 nm and blood microcirculation alterations in the underlying tissues with Lase... View full abstract»

• ### GeSn/SiGeSn Multiple-Quantum-Well Electroabsorption Modulator with Taper Coupler for Mid-Infrared Ge-on-Si platform

Publication Year: 2018, Page(s): 1
| | PDF (1395 KB)

We propose taper coupler electroabsorption modulator (EAM) composed of GeSn/SiGeSn multiple-quantum-well (MQW) on Ge-on-Si platform for mid-infrared (2 μm) integrated optical active devices. The epitaxial design is performed by calculating the absorption spectra of GeSn/SiGeSn MQW using many-body theory to investigate the extinction characteristics of GeSn MQW waveguides. Two types of taper... View full abstract»

• ### Efficient Grating Couplers for Space Division Multiplexing Applications

Publication Year: 2018, Page(s): 1
| | PDF (657 KB)

Grating couplers are developed as one of building blocks in silicon photonics to couple light between on-chip devices and optical fibers. For emerging high-capacity datacom and telecom systems enabled by space division multiplexing, it is essential to couple light together with mode conversion functions. In this work, we show the feasibility of combining conventional grating couplers and mode conv... View full abstract»

• ### Monolithically Integrated InAsSb-based nBnBn Heterostructure on GaAs for Infrared Detection

Publication Year: 2018, Page(s): 1
| | PDF (5864 KB)

High operating temperature infrared photodetectors with multi-color function that are capable of monolithic integration are of increasing importance in developing the next generation of mid-IR image sensors. Applications of these sensors include defense, medical diagnosis, environmental and astronomical observations. We have investigated a novel InAsSb-based nBnBn heterostruct View full abstract»

• ### A low loss crossing of silicon waveguides for optical switches on CMOS platform

Publication Year: 2018, Page(s): 1
| | PDF (2269 KB)

A novel waveguide crossing with low crosstalk and crossing loss was proposed and prototyped on the Si platform. The design consists a pair of tapered Si waveguides in stead of a single waveguide at the crossing point, producing a mismatch of the mode fields between the input waveguide and crossing waveguide. The tapered Si waveguides with SiNx outer cores demonstrate extremely low-loss waveguide c... View full abstract»

• ### 1.55 μm AlGaInAs/InP Sampled Grating Laser Diodes for Mode-locking at THz Frequencies

Publication Year: 2018, Page(s): 1
| | PDF (1287 KB)

We report mode locking in lasers integrated with semiconductor optical amplifiers, using either conventional or phase shifted sampled grating distributed Bragg reflectors(DBRs). For a conventional sampled grating with a continuous grating coupling coefficient of ~80 cm-1, mode-locking was observed at a fundamental frequency of 628 GHz and second harmonic of 1.20 THz. The peak output power was up t... View full abstract»

• ### Schottky Photodiodes in Bulk CMOS for High-Speed 1310/1550 nm Optical Receivers

Publication Year: 2018, Page(s): 1
| | PDF (3068 KB)

This paper presents a thorough analysis of the potential of Schottky diodes as photodetectors for fully integrated optical receivers in bulk CMOS. By absorbing photons in the metal, these devices can detect the 1310/1550nm telecommunication wavelengths, unlike silicon PN-diodes. Moreover, besides being sensitive to a broader range of wavelengths, Schottky photodiodes in CMOS have a very high intri... View full abstract»

• ### Theoretical design of plasmonic refractive index sensor based on the fixed band detection

Publication Year: 2018, Page(s): 1
| | PDF (551 KB)

In this paper, we theoretically and numerically reported a simple plasmonic sensor design for the accurate detection of refractive index(RI). The sensing property was characterized by a derived theoretical model, which demonstrated the accurate sensing by measuring the intensity of a fixed narrow passband. It was found that the coupling phase modulation caused by the analyte was the main mechanism... View full abstract»

• ### Generation of Soliton Bursts with Flexibly Controlled Pulse Intervals Based on the Dispersive Fourier-Transform Technique

Publication Year: 2018, Page(s): 1
| | PDF (8879 KB)

We propose and demonstrate generation of soliton burst mode pulses based on the dispersive Fourier-transform (DFT) technique. The time-domain soliton burst mode is mapped from a multi-wavelength dissipative soliton (MWDS) spectrum obtained from a net-normal dispersion L-band mode-locked fiber laser. The interval between adjacent pulses in the soliton burst can be flexibly tuned by precisely contro... View full abstract»

• ### Ultra-low-loss Silicon Nitride Optical Beamforming Network for Wideband Wireless Applications

Publication Year: 2018, Page(s): 1
| | PDF (13114 KB)

Three-ORR based integrated ultra-low loss silicon nitride 1 × 4 optical beamforming networks (OBFNs) for millimeter-wave (mmW) beamsteering are reported. The group delay ripple of multi-ORR delay line was theoretically optimized and quantitatively studied by applying a genetic algorithm. The optimized 3-ORR delay true time delay (TTD) responses were experimentally achieved with 208.7 ps and... View full abstract»

• ### High power diamond Raman lasers

Publication Year: 2018, Page(s): 1
| | PDF (584 KB)

Laser gain materials possessing high thermal conductivity and robust mechanical properties are key prerequisites for high power lasers. We show that diamond, when configured as a Raman laser, enables access to these and other extreme properties, providing an important new route to high power and high brightness beam generation. Recent achievements in pulsed and continuous wave oscillators, beam co... View full abstract»

• ### Low Loss Atomic Layer Deposited Al$_{2}$O$_{3}$ Waveguides for Applications in On-chip Optical Amplifiers

Publication Year: 2018, Page(s): 1
| | PDF (1472 KB)

We present the growth and optimization of ultralow loss Si based Al$_{2}$O$_{3}$ planar waveguides which have a high potential to boost the performance of rare-earth ion doped waveguide devices operating at visible and C-band wavelength ranges. The planar waveguide structures are grown using thermal atomic layer deposition. A systematic c... View full abstract»

• ### Characterization of Low Loss Waveguides Using Bragg Gratings

Publication Year: 2018, Page(s): 1
| | PDF (902 KB)

A novel approach is developed for measuring small losses in highly transparent ${text{Si}_{3}text{N}_{4}/text{SiO}_{2}}$ waveguides on a silicon chip. The approach is particularly applicable to waveguides written by high resolution patterning techniques like e-beam lithography (EBL), whose lengths cannot be easily increased beyond several centimeters. This method is b... View full abstract»

• ### High-Density Wafer-Scale 3D silicon-photonic integrated circuits

Publication Year: 2018, Page(s): 1
| | PDF (1568 KB)

This paper discusses recent advances on the newly-developed high-density 3D photonic integrated circuits (3D PICs). In particular, we introduce our efforts in design, fabrication and characterization towards a silicon photonic wafer-scale light detection and ranging (LIDAR) system populated by 3D PIC unit cells. The 3D PIC unit cell includes vertical U-shaped photonic couplers created by a combina... View full abstract»

• ### Chip-on-Flex Packaging of Optoelectronic Devices in Polymer-Based Optical Interconnects

Publication Year: 2018, Page(s): 1
| | PDF (1081 KB)

A variety of applications in the use of optical and optoelectronic devices as well as their integrated circuits are increasingly penetrating into our daily routine. One of the most demanding fields is the sensing engineering. Being distinguished from the conventional sensors based on electronics, optical sensors exhibit an extensive potential regarding a high-speed data transfer and electromagneti... View full abstract»

• ### High-Performance Back-Illuminated 3D-Stacked Single-Photon Avalanche Diode Implemented in 45 nm CMOS Technology

Publication Year: 2018, Page(s): 1
| | PDF (2015 KB)

We present a high-performance back-illuminated 3D-stacked single-photon avalanche diode (SPAD), which is implemented in 45 nm CMOS technology for the first time. The SPAD is based on a $text{P}^{+}/text{Deep}$ N-well junction with circular shape, for which N-well is intentionally excluded to achieve a wide depletion region, thus enabling lower tunneling noise and bett... View full abstract»

• ### Mid-Infrared Slow Light Engineering and Tuning in One-Dimensional Grating Waveguide

Publication Year: 2018, Page(s): 1
| | PDF (1661 KB)

The design, fabrication and characterization of one-dimensional (1D) grating waveguide as slow light structure working in mid-infrared (MIR) region are demonstrated for the first time. The effects of various structural parameters on slow light properties are investigated through theoretical analysis, simulation and experimental verification, providing guidance on slow light engineering in 1D grati... View full abstract»

• ### Monolithic Integration of GaN-on-Sapphire Light-Emitting Diodes, Photodetectors and Waveguides

Publication Year: 2018, Page(s): 1
| | PDF (910 KB)

We demonstrate the monolithic integration of light-emitting diodes (LEDs), photodetectors (PDs), and waveguides on a GaN-on-sapphire wafer. The InGaN/GaN multi-quantum wells (MQWs) play a key role in light emission from the LED and photodetection from the PD. Despite large Stokes shift between absorption and emission energies in the InGaN layer, the MQWs are capable of absorbing light emitted by t... View full abstract»

• ### Evaluating micro-optical coherence tomography (μOCT) as a feasible imaging tool for pancreatic disease diagnosis

Publication Year: 2018, Page(s): 1
| | PDF (32337 KB) |  Media

Pancreatic cancer is one of the leading causes of cancer mortality worldwide due to the lack of reliable tools for early diagnosis of this cancer. In this study, we evaluated the feasibility of micro-optical coherence tomography (μOCT) as an imaging tool for the diagnosis of pancreatic cancers. Specifically, we constructed a μOCT device that achieves a resolution of ∼1.67 �... View full abstract»

• ### Photoacoustic Resonance Imaging

Publication Year: 2018, Page(s): 1
| | PDF (683 KB)

In this paper, a new imaging modality, named photoacoustic resonance imaging (PARI), is proposed and experimentally demonstrated. Being distinct from conventional single nanosecond laser pulse induced wideband PA signal, the proposed PARI method utilizes multi-burst modulated laser source to induce PA resonant signal with enhanced signal strength and narrower bandwidth. Moreover, imaging contrast ... View full abstract»

• ### Large Nonlinearity, Low Loss Ge-Sb-Se Glass Photonic Devices in Near Infrared

Publication Year: 2018, Page(s): 1
| | PDF (936 KB)

$text{Ge}_{28}text{Sb}_{12} text{Se}_{60}$ waveguides and microresonator were fabricated by thermal evaporation and dry etching technology. Low loss waveguides and high-index-contrast $text{Ge}_{28}text{Sb}_{12} text{Se}_{60}$ microring resonators were developed and demonstrated using optimal parameters of \$text{CF}_{4}/text... View full abstract»

• ### Enhanced sensitivity of sub-wavelength multi-box waveguide microring resonator label-free biosensor

Publication Year: 2018, Page(s): 1
| | PDF (5682 KB)

In this article, a novel silicon photonic waveguide for a high sensitivity label-free sensor is presented. We use silicon-on-insulator (SOI) sub-wavelength waveguides that consist of five rows of periodic silicon squares with 60 nm gap distances between each square (multi-box structure) to construct microring resonators to achieve higher bulk and surface sensitivities than the resonators using con... View full abstract»

• ### Ultra-low noise optical frequency combs

Publication Year: 2018, Page(s): 1
| | PDF (1419 KB)

The invention of optical frequency combs (OFCs) based on femtosecond (fs) mode-locked lasers has merged laser-based spectroscopy with fs-laser technology. OFCs have triggered quantum leaps of advancement in photonics, physics, astronomy, and engineering, while also lending themselves to applications in medical and environmental fields. The key feature of OFCs is their ultra-high frequency and time... View full abstract»

• ### A 300-mm Silicon Photonics Platform for Large-Scale Device Integration

Publication Year: 2018, Page(s): 1
| | PDF (3007 KB)

A 300-mm silicon photonics platform for a large-scale device integration was developed, leveraging 40-nm complementary metal-oxide-semiconductor (CMOS) technology. Through fabrication using this technology platform, wire waveguides were obtained with low propagation losses for the C-band (0.4 dB/cm) and O-band (1.3 dB/cm). Several types of wavelength filters, including a coupled resonator optical ... View full abstract»

• ### Integrated Resonators in Ultra-Low Loss Si3N4/SiO2 for Multifunction Applications

Publication Year: 2018, Page(s): 1
| | PDF (3197 KB)

Integrated optical resonators are finding an increasing number of applications and the ultra-low loss Si3N4 waveguide system can realize the widely varying parameters needed for these resonators. We demonstrate two different resonator examples with varying quality factor (Q) and footprint and discuss their applications. The first is a thin core, large area resonator using deposited upper cladding ... View full abstract»

## Aims & Scope

Papers published in the IEEE Journal of Selected Topics in Quantum Electronics fall within the broad field of science and technology of quantum electronics of a device, subsystem, or system-oriented nature.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Prof. José Capmany
Universitat Politècnica de València, Spain Photonics Research Labs, ITEAM Research Institute
Virginia Polytechnic Institute & State University