Photonic waveguides have emerged as an ideal system for the study of quantum optical effects. In addition, they find interesting applications in quantum information science. I will describe my work on the transport and quantum walk of light in optical waveguides.

The in-rush current due to wake-up of power gating (PG) components causes faster discharge of battery. This work introduces an instruction controlled hybrid battery-supercapacitor (B-SC) system for longer battery life in systems with instruction controlled PG. Two instructions have been introduced along with architectural support. The first instruction disconnects the battery from the PG components if the charge in the supercapacitor greater than or equal to the charge required by wake-up of...

Seasonal labour migration is a complex phenomenon, which involves long working hours, poor living and working conditions, social isolation and poor accessibility to basic amenities. Most of the migration goes undocumented, and the lack of regulation compounds vulnerability. This exploratory study aimed to examine various social networks which promote seasonal migration every year from the districts. It also explored the working and living conditions of migrant workers at the destination and t...

The basic unit of society is family. There is a change in the structure and function of the family along with many other institutions of society. The factors like improvement in education, modern occupations, income disparities and spatial distance are affecting the solidarity of the family and its relationships. The social and economic changes have brought about a significant transformation in the traditional pattern of two-parent families in the past few decades. The single parent families ...

This paper deals with the development of an efficient Fuzzy Inference System (FIS) based architecture for mobile robot navigation. While developing the system architecture, kinematic constraints have been considered for a differential drive mobile robot. During the analysis, robot chassis is considered as a rigid body and the position of the mobile robot is represented as a point in XY- plane. The developed kinematic models are useful to find out the robot’s velocities (X-direction, Y-directi...

Globally, suicide is the second largest cause of death among 15-29 year olds (WHO, 2016). For every suicide, there are many more people who attempt suicide. Despite the exponential rise in risk taking behavior among the teens of India, adolescent mental health is a neglected issue (Kanikar & Bansal, 2015). Suicides can be prevented if we identify the risk factors associated with it. With this objective, a prospective observational study design was followed to understand the risk factors leadi...

This paper investigates the effect of width of the specimen and crack length on the fracture properties of glass/epoxy laminated composites. Three different widths namely 30, 40 and 50 mm were considered. The gauge length of the specimen was taken in such a way that it was four times the width of the specimen, and five different crack length to width ratios (a/D) were taken into consideration namely 0, 1/8, 2/8, 3/8, 4/8. The tensile test was conducted in INSTRON 8862 universal tensile machin...

The tribal communities in India have developed their identity in close proximity to the natural resources around which they had developed their cultural traditions, economy, social control mechanisms, religious myths and techniques of production. They have developed a symbiotic relation with their local environment. For them land was not merely a source of livelihood rather a representation of their cultural identity and existence. In the name of development, tribal communities in post-co...

Aluminum strips of 150mm x 50mm x 0.3mm with single edge notch depth (a) in the range of 5mm to 25mm, center crack length(2a) in range of 5m to 25mm and double edge notch specimens with individual notch depth(a) in the range of 5mm to 20mm were prepared. These strips were tested under tensile loading at a strain rate of 0.2mm/minute and 1mm/minute. The stress intensity factor (SIF) for varying notch depth was calculated using finite element simulations using global energy release rate me...

Telemedicine is one of the hot research topics which provides health-care solutions to remote areas. There are various situations, where telemedicine plays a vital role. Nowadays psychiatrist use cloud computing to come across their patients from remote places, which makes their job easier. This is called tell the psychiatrist. As the patients maintaining many numbers of queues, the urgent patients have to wait in the same queue with normal patients, and they wait for their respective ...

Flow and heat transfer characteristics of interaction of a laminar plane offset jet with coflowing wall jet are studied at various Richardson number (Ri). The temperature of offset jet at inlet is higher than that of wall jet inlet temperature. The temperature of horizontal wall and wall jet inlet temperature are same as that of ambient temperature. The temperature of heated offset jet is varied to alter the Grashof number (Gr). The velocities of the two jets are taken equal. Study is car...

Numerous research efforts have been undertaken regarding the mechanical and electrical behavior of epoxy matrix by the introduction of various carbon nanofillers. In the present work, a simple but novel route regarding preparation of nanocomposites has been reported in terms of curing them at low temperature. The purpose is to investigate the effect of reinforcing strategies on properties of prepared composites using different nanomaterials that are again supplemented by microscopic investiga...

In this research work, detail investigation on mechanical response of woven as well as unidirectional Glass fiber reinforced polymer (GFRP) composite has been performed using finite element analysis (FEA). Representative volume element (RVE) model of GFRP composite has been undergone different simulated mechanical tests such as tensile test by applying 160N load, three-point bending test by employing 160N against two fixed supports, cyclic loading from 0 to 160N, in-situ test at 120...

This study describes the development of new lightweight angular fly ash aggregate (FAA) and consequent comparison of properties of FAA with traditional aggregate (gravel) and commercially available low-density round shaped aggregates LDA (Pellets). The manufacturing process of these FAA involves blending of fly ash with water at various ratios of water to fly ash and placing the mix in the mould. This is followed by sintering the cubes at high temperature and crushing them to obtain the aggre...

The interfaces of composite materials play an important role to sustain the structural integrity of the system. The health of interphase/interface determines the reliability and durability of the composite systems in the service life. It has only been during the last few decades that applications of FRPs have become so rapidly growing that tailoring the well-bonded and durable interfaces has become a curious concern. An uncontrolled and non-uniform degradation at micro- and macro-levels manif...

Fiber reinforced polymer (FRP) Composites are being used globally in many structural applications due to their superior specific properties. The in-plane mechanical performance of such FRP composite to a large extent is governed by the fibers. However, the out-of-plane response gets substantial contribution from the matrix and/or interfaces. In this regard, to improve the out-of-plane performance of such laminated composites, CNT incorporation has been found to be beneficial. Further, the...

Fatigue damage of a material is particularly deleterious when it occurs under asymmetric cyclic loading conditions. Ratcheting is the process of fatigue damage in which plastic strain accumulates during asymmetric cyclic loading (with non-zero mean stress) of structural parts. The aim of this investigation was to study the effect of prior ratcheting deformation on hardness and tensile behavior of AISI 4340 steel in differently heat treated conditions. For this purpose, AISI 4340 steel wa...

We report classical molecular dynamics (MD) simulation deformation studies and fracture behavior of nano-crystalline Al (metal)-Cu50Zr50 (metallic glass) nano-laminates. The samples for the above studies consist of alternate layers of nano-crystalline aluminum and Cu50Zr50 metallic glass (MG). The nano-laminates models of 150 Å × 50 Å × 15 Å have been constructed by taking Al and Cu50Zr50 MG of three different widths ranging from 1 nm–5 nm. The Cu50Zr50 MG is prepared by randomly generat...

A three-dimensional numerical study has been carried out to investigate the fluid flow and heat transfer characteristics in a compound microchannel (CMC) under conjugate heat transfer condition. A compound microchannel is one in which the channel cross-section is a combination of two shapes. In this work, the thermo-hydrodynamic performance of the compound microchannel with different cross-sections are analyzed and compared with the simple microchannel (SMC). The average Nusselt number (Nuavg...