# IEEE Photonics Technology Letters

## Filter Results

Displaying Results 1 - 25 of 36
• ### [Front cover]

Publication Year: 2014, Page(s): C1
| PDF (213 KB)
• ### IEEE Photonics Technology Letters publication information

Publication Year: 2014, Page(s): C2
| PDF (128 KB)

Publication Year: 2014, Page(s):955 - 956
| PDF (110 KB)
• ### Self-Referenced Residual Pressure Measurement Method for Fiber-Optic Pressure Sensor Chip

Publication Year: 2014, Page(s):957 - 960
Cited by:  Papers (4)
| | PDF (831 KB) | HTML

We propose a direct and nondestructive self-referenced residual pressure measurement method for MEMS chip of fiber-optic pressure sensor. In the proposed method, two multimode fibers are placed at the center and the edge position of the sealed cavity. With scanning external pressure, two groups of cavity lengths data are obtained by using polarization low-coherence interference demodulator. The in... View full abstract»

• ### Wideband Microfiber Fabry–Pérot Filter and Its Application to Multiwavelength Fiber Ring Laser

Publication Year: 2014, Page(s):961 - 964
Cited by:  Papers (7)
| | PDF (953 KB) | HTML

A microfiber Fabry-Pérot (MFP) filter consisting of two microfiber Sagnac loop mirrors as the reflectors and a section of microfiber as the cavity is proposed and fabricated. Owing to the high coupling efficiency induced by the large evanescent field of the microfiber, a broadband comb spectrum with high extinction ratio and flat amplitude can be obtained. The MFP with the extinction ratio... View full abstract»

• ### Integrated InP Heterodyne Millimeter Wave Transmitter

Publication Year: 2014, Page(s):965 - 968
Cited by:  Papers (19)
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A monolithically integrated tunable heterodyne source designed for the generation and modulation of sub-terahertz signals is demonstrated. Distributed feedback lasers, semiconductor optical amplifier amplifiers, passive waveguides, beam combiners, electro-optic modulators, and high-speed photodetectors have been monolithically integrated on the same InP-based platform. Millimeter wave generation a... View full abstract»

• ### High Brightness 556 nm Laser by Frequency Doubling of a 1112 nm Nd:YAG Laser

Publication Year: 2014, Page(s):969 - 972
Cited by:  Papers (3)
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We demonstrate an efficient high power and high brightness yellow-green 556-nm laser generated from second harmonic generation (SHG) of a master oscillator power amplifier (MOPA) laser system at 1112 nm. The oscillator was a pulsed laser diode (LD) pumped and Q-switched Nd:YAG laser at 1112 nm operated at TEM00 mode with an average output power of 35 W, providing 200-μs long macr... View full abstract»

• ### Direct Phase Modulation DFBs for Cost-Effective ONU Transmitter in udWDM PONs

Publication Year: 2014, Page(s):973 - 975
Cited by:  Papers (34)
| | PDF (1039 KB) | HTML

A technique for direct phase modulating a low-cost distributed feedback laser is presented for user transmitter in ultra dense wavelength division multiplexing passive optical networks. It consists of a simple RC network, which equalizes the phase response. The method is tested with differential phase-shift keying modulation and heterodyne coherent detection at 1.25 and 2.5 Gb/s showing a penalty ... View full abstract»

• ### Polarization Rotators in Add-Drop Filter Systems With Double-Ring Resonators

Publication Year: 2014, Page(s):976 - 979
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A design of highly integrated polarization rotators (PRs) with double-ring resonators in add-drop filter systems is demonstrated theoretically. Based on mode-evolution theory and 3D finite-difference time-domain simulation, two vertically stacked microrings with dislocation are designed and optimized, which efficiently decreases the size of PR to a double-ring structure with a radius of <;3.5 &... View full abstract»

• ### Narrow Linewidth 177.3-nm Nanosecond Laser With High Efficiency and High Power

Publication Year: 2014, Page(s):980 - 982
Cited by:  Papers (7)
| | PDF (549 KB) | HTML

We demonstrate a high-efficiency high average power vacuum ultraviolet (VUV) 177.3-nm laser with a narrow linewidth generated by second harmonic (SH) generation from a nanosecond (ns) 355-nm laser in the KBe2BO3F2 crystal. The 355-nm pumping source was a frequency-tripled Q-switched 1064-nm Nd:YAG oscillator-amplifier laser system, in which a quartz etalon was used... View full abstract»

• ### Dual-Wavelength Harmonically Mode-Locked Fiber Laser With Topological Insulator Saturable Absorber

Publication Year: 2014, Page(s):983 - 986
Cited by:  Papers (35)
| | PDF (1335 KB) | HTML

Dual-wavelength passively harmonic mode locking (HML) operation is demonstrated in an erbium-doped fiber laser with a microfiber-based topological insulator (TI) saturable absorber. It was found that the dual-wavelength pulse-trains possess different HML orders due to the different cavity nonlinear effects experienced by the two wavelengths. By properly adjusting the cavity parameters, dual-wavele... View full abstract»

• ### Stable $Q$ -Switched Erbium-Doped Fiber Laser Based on Topological Insulator Covered Microfiber

Publication Year: 2014, Page(s):987 - 990
Cited by:  Papers (16)
| | PDF (1177 KB) | HTML

We demonstrated a stable passively Q-switched Er-doped fiber laser around the optical communication band with a microfiber-based topological insulator (TI) Bi2Te3 saturable absorber. The saturable absorber was fabricated by the optical deposition method and its nonlinear transmission ~1568 nm was characterized. By virtue of the TI saturable absorber, stable Q-switched pulses ... View full abstract»

• ### Corrugated Waveguide-Based Optical Phased Array With Crosstalk Suppression

Publication Year: 2014, Page(s):991 - 994
Cited by:  Papers (5)
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We present the corrugated waveguide as a free space grating coupler for use in optical phased arrays for large angle optical beam steering. Compared with conventional shallow etched gratings, the corrugated waveguide requires only a single patterning step while achieving lithographically defined index contrast. We achieve 15° of steering with wavelength tuning, with an average longitudinal ... View full abstract»

• ### Constrained Turbo Block Convolutional Codes for 100 G and Beyond Optical Transmissions

Publication Year: 2014, Page(s):995 - 998
Cited by:  Papers (3)
| | PDF (632 KB) | HTML

Constrained turbo block convolutional (CTBC) codes are developed for 100 G and beyond optical transmissions. The CTBC codes developed herein each fit within one optical transport network (OTN) frame. The CTBC codes involve a simple outer block code that is serially concatenated with a simple inner recursive convolutional code using a constrained interleaver that simultaneously delivers a high inte... View full abstract»

• ### Analysis of InGaAs/InP Single-Photon Avalanche Diodes With the Multiplication Width Variation

Publication Year: 2014, Page(s):999 - 1002
Cited by:  Papers (2)
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This letter investigates dependence of performances of single-diffused single-photon avalanche photodiodes (SPADs) using a wet recess-etching technique on a multiplication width. Three-types of single-diffused InGaAs/InP planar SPADs with the different multiplication width have been fabricated and analyzed, which have no diffusion depth variation between fabricated devices. The fabricated SPAD wit... View full abstract»

• ### Low Power Operation of a Vertical Cavity Transistor Laser via the Reduction of Collector Offset Voltage

Publication Year: 2014, Page(s):1003 - 1006
Cited by:  Papers (4)
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Data are presented on low-power operation in a vertical cavity transistor laser via reduced collector offset voltage by placing the emitter contact on the top of four pairs of the GaAs/AlGaAs DBR to reduce emitter resistance and subsequently depositing 11 SiO2/TiO2 DBR pairs to improve cavity quality. Consequently, the device demonstrates a reduced collector offset voltage of... View full abstract»

• ### Finite-Difference Beam Propagation Method for Graphene-Based Devices

Publication Year: 2014, Page(s):1007 - 1010
Cited by:  Papers (2)
| | PDF (811 KB) | HTML

We propose a novel finite-difference beam propagation method capable of dealing with the discontinuity of the tangential component of the magnetic field induced by bi-dimensional graphene layers, which can be arbitrarily placed within dielectric media. In stark contrast with conventional numerical solvers, this approach does not require a discretization step as small as a fraction of the atomic th... View full abstract»

• ### Electronically Variable Optical Attenuator Enabled by Self-Sensing in Vanadium Dioxide

Publication Year: 2014, Page(s):1011 - 1014
Cited by:  Papers (4)
| | PDF (1625 KB) | HTML

A fully electronic variable optical attenuator in the near-infrared region is reported. The observed attenuation varied from 0 to 19.24 dB. The device is enabled by the strong correlation between the electrical and optical properties in vanadium dioxide thin films across its phase transition. A self-sensing feedback approach is used to significantly reduce the inherently hysteretic behavior of the... View full abstract»

• ### Synchronization Detection Using XGM in SOA for All-Optical Preprocessing

Publication Year: 2014, Page(s):1015 - 1018
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We report experimental demonstration of synchronization detection using semiconductor optical amplifier (SOA). We show the feasibility with which the timing of the signal can be actually monitored and with little impact on signal light. When return-to-zero ON-OFF-keyed signal light and a probe light are launched into SOA, error-free operation at 10.7 Gb/s is demonstrated with small power penalty a... View full abstract»

• ### A New Identification Method Aimed at Optical Targets Using an Active Interference Laser Beam

Publication Year: 2014, Page(s):1019 - 1022
| | PDF (735 KB) | HTML

A new identification method aimed at optical targets using an active interference laser beam for target scanning is presented. The usability of the presented method is validated through theoretical analysis and experiment. The results show that the method is effective and convenient for distinguishing the optical type of the target, as long as the interference fringe spacing at the target position... View full abstract»

• ### Au-Mediated Surface Plasmon Enhanced Ultraviolet Response of p-Si/n-ZnO Nanorods Photodetectors

Publication Year: 2014, Page(s):1023 - 1026
Cited by:  Papers (2)
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Surface plasmon resonance mediated by Gold (Au) nanoparticles (NPs) was employed to enhance the ultraviolet (UV) response of p-Si/n-ZnO nanorod (NR) heterojunction photodetectors (HPDs). In the ZnO NRs with Au NP covering, the photoluminescence spectrum shows that the band-to-band emission of ZnO (384 nm) is increased by a magnitude of 3, and the deep-level emissions (450-700 nm) are drastically d... View full abstract»

• ### Design of Out-of-Plane MOEMS Accelerometer With Subwavelength Gratings

Publication Year: 2014, Page(s):1027 - 1030
Cited by:  Papers (2)
| | PDF (1053 KB) | HTML

A novel out-of-plane MOEMS accelerometer based on near-field evanescent wave coupling by means of variable period subwavelength gratings has been proposed. First, the diffraction order number was calculated. Then, structure parameters were optimized by finite element analysis to achieve high sensitivity in an ideal vibration mode. Results show that the accelerometer has displacement sensitivity at... View full abstract»

• ### All-Fiber Optofluidic Component to Combine Light and Fluid

Publication Year: 2014, Page(s):1031 - 1033
Cited by:  Papers (4)
| | PDF (433 KB) | HTML

A component is presented that combines light and fluid in an optical fiber arrangement for optofluidics. The component couples light from a standard telecom fiber (STF) to the solid-core of a microstructured fiber, and delivers fluid from a capillary to the holes of the same microstructured fiber. The light is then made to interact longitudinally with the delivered fluid in a hollow-core fiber or ... View full abstract»

• ### CRIT-Alternative Narrow-Passband Waveguide Filter for Microwave Photonic Signal Processors

Publication Year: 2014, Page(s):1034 - 1037
Cited by:  Papers (5)
| | PDF (1111 KB) | HTML

This letter presents a novel use of a waveguide circuit consisting of a two-ring resonator-assisted asymmetrical Mach-Zehnder interferometer, which realizes a narrow-passband filter in the context of microwave photonics (MWP). The filter principle is an alternative to the coupled resonator induced transparency and features easy implementation and robust performance. In the experimental demonstrati... View full abstract»

• ### Enhanced Resonance Frequency and Modulation Bandwidth in a Cavity Soliton Laser

Publication Year: 2014, Page(s):1038 - 1041
Cited by:  Papers (1)
| | PDF (626 KB) | HTML

Cavity solitons in a driven vertical-cavity surface-emitting laser (VCSEL) above threshold can amplify the modulation of the injected field over a bandwidth larger than 100 GHz by exploiting the combined low frequency amplification of a bistable optical system with the enhanced relaxation oscillation frequency of an injection-locked laser. View full abstract»

## Aims & Scope

IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Prof. Jianping Yao
University of Ottawa